DE102012022749B4 - Fieldbus slave device with at least one equipotential bonding conductor and a connection device unit with a fieldbus slave device - Google Patents

Abstract

Fieldbus slave device (1) witha) identical and/or complementary on the outside of a galvanically and/or electrically non-conductive wall (10w) of an upper part (10mo) of the fieldbus device (1) with at least two circular wall plug connectors (20w) permanently fastened therein Type (20wps, 20phk, 20phn) running horizontal equipotential bonding line (6h) with several equipotential bonding conductor pieces (6hs) attached to the device (1) a cable shield loop-through unit (2) for galvanically and/or electrically as low-impedance as possible connector housing (20g) based connection of several cable shields (5m), circular cable connector (20k, 20kb, 20ks) that can be connected and locked to this circular wall connector (20w) with circular connector cable (5, 5b, 5s),b) a vertical equipotential bonding conductor (6v) routed through the interior of the fieldbus device (1) with several vertical equipotential bonding conductor pieces (6vs), of which a bottom vertical equipotential bonding conductor piece (6vs) is on the underside of a metal lower part (10mu) of the fieldbus device (1), and of this an uppermost vertical equipotential bonding conductor piece (6vs), which is connected to one of the horizontal equipotential bonding conductor pieces ( 6hs) is connected.

Description

The invention relates to fieldbus slave devices and Ethernet devices and their shield conductor and earth or functional earth connection of at least two cable connectors connected to the device, in particular fieldbus slave devices for the evaluation and/or control of the signals of at least one internal or external sensor and/or actuator, as well as Profibus, Profinet, Industrial Ethernet and EtherCat devices with two cable connector-based connections as input or output.

Connection cable with idR. standardized connectors, in particular widespread circular connectors, e.g. B. M12 straight or 90-degree angled, are often used in automation systems to connect sensors or actuators with controllers or power supplies. The sensors or actuators are supplied via the connection cable, and analog switching signals and/or data are transmitted at the same time. A screw element is used to securely connect a circular connector with a corresponding counterpart, which is designed as a union nut for the plug cable/built-in plug or as a threaded sleeve for the mating connector (through socket or wall socket or cable socket coupling). Malfunctions of a system can occur as a result of undesired electromagnetic interference. In doing so, e.g. B. wrong switching signals issued by sensors. The interference can be inductive or capacitive or galvanic interference. Significant interference can occur, particularly in the vicinity of powerful electric motors and similar actuators. In order to prevent individual components in a system from being adversely affected by electromagnetic interference, shielded connector cables are often used and/or specified, which are considerably more expensive than unshielded cables. The shielded connection cables usually have cable shields made of a non-magnetic material such as copper or aluminum. Often the cable shields consist of braided individual shields constructed from counter-rotating interwoven sets of wires. The density and strength of the wire mesh largely determine the quality of the shielding. The shielding or the cable shield is often only connected to ground, earth, functional earth or a similar reference potential at one end of the cable. In order to suppress magnetic or residual current interference, the cable shield must be "connected" to both cable ends in certain cases. However, there is a risk of a ground loop. Ground loops arise in particular when two points of grounding are connected to one another via different electrically conductive paths. The ground connection in this case is a closed loop. Ground loops can cause very large currents to develop on the shielding, which contribute to interference on the signal lines. Two grounding concepts have become established in the industrial sector. With the tree structure, all earth connections are routed separately to a defined collection point. With the mesh structure, there are multiple grounding points that are connected to each other. The individual shielding concepts are optimized for certain interferences. In order to be able to implement different shielding concepts, the suppliers of shielded connection cables offer different cable variants. In a first cable variant, the shield is not applied. In a second cable variant, the shield is applied on both sides, i. H. the respective union nut or the threaded sleeve of the circular connector is at reference potential. In a third variant, the shield is applied and also connected to pin 5 of the (Profibus) circular connector. When planning a system, the user must decide on a specific shielding concept and then wire the individual system components together accordingly. However, it is only when a system is commissioned that it becomes clear whether the selected shielding concept will actually bring the desired success. If the function of the system continues to be impaired by electromagnetic interference, the cabling must be replaced, which is a laborious process, or other costly measures must be taken to reduce or eliminate the interference.

• • beidseitige harte Erdung des Schirms (Verbindung zwischen Schirm und Potenzialausgleich
• • kapazitive Erdung an einem Ende des Schirms (Anschluss des Schirms an den Potenzialausgleich über einen Kondensator), harte Erdung am anderen Ende
• • harte Erdung an einem Ende des Schirms, keine Erdung am anderen Ende

With industrial fieldbuses such as Profibus-485, Profibus-DP, Profibus-PA and Profinet, especially with Industrial Ethernet-based ones, it is common and necessary to connect slave devices with a metal housing to each other and to other components by screwing them together using a cap nut using a shielded, multi-pole M12 circular cable connector with a circular plug and a circular socket, since the shielding cable has low galvanic resistance from one electronic evaluation and/or control device to the other because of the linear wiring t” must be. Such union nuts are electrically conductive and galvanically connected to the cable shield permanently or temporarily or switchably, see for example the German patent application 102011078622.8 . Slave devices of this type have at least two plug connectors of a complementary and/or non-complementary type integrated and fastened in their housing wall as a wall or built-in round plug connector pair. Such a built-in circular connector pair built into a metal housing has a metal housing with a housing interior wall-side connection as a soldering lug in the secondary connection space (interior). The two screw elements of the built-in circular connector pair are located outside as a housing part with an internal thread for the mating connector on the cable and as a housing part with an external thread for the mating connector socket on the cable. Some fieldbus lines, especially Profibus lines, must be terminated with their characteristic impedance. The bus must be terminated at the last participant by switching on a terminating resistor. In systems with more than two stations, all participants are wired in parallel. To do this, the fieldbus cable and its shield must be looped through without interruption. The cable connector types recommended for many fieldbus systems have an (outer) shield that is electrically connected to conductive parts of the connector housing, especially to its manually rotating parts (union nut, externally threaded sleeve). This screen should be grounded for EMC protection reasons. This is basically possible in different ways:

• • Hard earthing of the shield at both ends (connection between shield and equipotential bonding
• • Capacitive grounding at one end of the shield (connecting the shield to the equipotential bonding via a capacitor), hard grounding at the other end
• • Hard ground at one end of shield, no ground at other end

The best EMC protection is achieved if both ends of the shield are hard grounded. In this case, an equipotential bonding conductor is required. If one end is grounded capacitively, in certain cases, e.g. in non-Ex applications, the equipotential bonding conductor can be omitted. However, the EMC protection is not as good as when the shield is placed on both sides.

ETHERNET with the TCP/IP protocol, which is accepted worldwide, will in all probability create an even better connection to the established "fieldbus world" or to the sensor-actuator level in the future, either via a gateway to the "fieldbus world" or consistently down to the lowest level of the communication hierarchy. The transmission rates are currently either 10 Mbit/s (ETHERNET) or at least 100 Mbit/s. (CAT.5 requirements; Fast Ethernet = Industrial Ethernet) or CAT 6a or CAT 7 requirements). Basically, the ETHERNET world is divided in terms of transmission rates into: ETHERNET: around 10 Mbit/s; FAST ETHERNET about 100 Mbit/s; GIGABIT ETHERNET: around 1000 Mbit/s. Due to the very high transmission rates and frequencies, special requirements for radiated and received interference must be observed for Ethernet-based fieldbus and sensor-actuator systems.

One of the most common causes of fieldbus technology failures is transient electromagnetic interference, which affects the signal flow and destroys electronic devices. Since the shielding cannot be replaced in the industrial sector or the fieldbus slaves lose their immunity to interference signals due to inadequate shielding, users of fieldbus cabling must be particularly careful when installing it. All applications are particularly sensitive to potential equalization currents. DIN VDE 0100 Part 540 defines the selection and installation of electrical equipment in the area of grounding, protective conductors and equipotential bonding conductors. Basic safety aspects are also defined there. For this reason, it serves as the basic standard or basis for all other standards. Grounding is the electrical connection of a point on the operating circuit or a body to earth. The entirety of all means and measures for grounding is referred to as grounding. A distinction must be made between operational grounding (grounding that is necessary for operational reasons) and protective grounding (grounding that is set up for protective purposes). It is permissible and common for an earth electrode to perform these two functions at the same time. If one point of the operating circuit is grounded, it is an operational grounding. When a body is grounded, it is a protective ground. Operational grounding is the grounding of a PEN conductor or another part of an operating circuit (line network, this can be direct or indirect).

1. a) unmittelbar, wenn keine weiteren Widerstände zwischen dem zu erdendem Punkt und Erder vorhanden sind,
2. b) mittelbar, wenn der Fehlerstrom durch das Erdreich durch ohmsche, induktive oder kapazitive Widerstände begrenzt wird.

A ground is

1. a) directly, if there are no other resistances between the point to be grounded and the ground,
2. b) indirectly, if the fault current through the ground is limited by ohmic, inductive or capacitive resistances.

A protective earth is the connection of a point that is not part of the operating circuit to the earth. This is mainly used to protect against the occurrence of excessive touch voltages. According to VDE100, in the TN low-voltage networks that are usually encountered, the bodies of electrical equipment must be connected to the grounded point of the network by a protective conductor (PE) or the PEN conductor. The body is understood to mean touchable parts of equipment that are not part of the operating circuit. However, in the event of a fault, these bodies can be live. In trouble-free operation, the PE protective conductor does not carry any current. On the other hand, the neutral conductor N serves as a return conductor for the operating currents of all single-phase consumers connected between the outer conductors and . The currents arriving at the equipotential bonding bar flow back to the driving voltage source via the PEN, regardless of whether there is a connection to the foundation earth electrode. According to part 600 of the VDE and ISO-IEC 11801, when testing the resistance of protective conductors and equipotential bonding conductors, there must be a sufficiently low-impedance connection. Apparently there are no requirements for the HF properties of the grounding through the use of a Profibus cabling system. The corresponding requirements for the conductor resistances for copper lines can be found in the relevant standards. According to DIN 57100 Part 310, a low-voltage network is described in its entirety by a) the earthing of the power source and b) the earthing of the body.

1. a) Für erhöhte EMV-Anforderungen Stecker mit Metallgehäuse oder einem Gehäuse aus metallisiertem Kunststoff und den Kabelschirm am Steckergehäuse auflegen
2. b) Schirme an beiden Kabelenden möglichst großflächig auflegen
3. c) Alle ungeschirmten Leitungen möglichst kurz halten
4. d) Erdungsverbindungen möglichst kurz und mit großem Querschnitt ausführen (z. B. induktionsarmes Masseband, Flachbandleiter)
5. e) Sollten zwischen den Maschinen- und Elektronik-Erdanschlüssen Potentialdifferenzen bestehen oder auftreten, so ist durch geeignete Maßnahmen dafür zu sorgen, dass über den Kabelschirm keine Ausgleichströme fließen können (z. B. Potentialausgleichsleitung mit großem Querschnitt verlegen oder Kabel mit getrennter 2fach-Schirmung verwenden, wobei die Schirme nur auf jeweils einer Seite aufgelegt werden)
6. f) Signal- und Steuerleitungen räumlich von den Leistungskabeln getrennt verlegen

The following is recommended:

1. a) For increased EMC requirements, attach connectors with a metal housing or a housing made of metalized plastic and the cable shield to the connector housing
2. b) Lay shields on both cable ends over as large an area as possible
3. c) Keep all unshielded lines as short as possible
4. d) Make grounding connections as short as possible and with a large cross-section (e.g. low-induction ground strap, ribbon conductor)
5. e) If potential differences exist or occur between the machine and electronic earth connections, suitable measures must be taken to ensure that no compensating currents can flow via the cable shield (e.g. lay an equipotential bonding line with a large cross-section or use cables with separate double shielding, whereby the shields are only connected on one side).
6. f) Lay the signal and control lines separately from the power cables

In the case of processes and certain fieldbus devices that are generally connected or must be connected to one another via shielded cables, the interference signals that were coupled in via the fieldbus connections or other relatively leaky points were dissipated via a metal, grounded slave device housing or brought together via a contact strip and connected to system ground (functional earth) using a connecting cable or a grounding screw. The use of metallic housing is relatively expensive.

EtherCAT is also based on standard Ethernet technology and offers users the following advantages, among others: In contrast to other fieldbus systems, the process data is no longer first received at each component, then interpreted and finally copied. Instead, the data packet is processed 'on the fly'. This means that each device reads the data addressed to itself, while the data telegram is already being forwarded to the next device. While the telegram is being passed through, new data can be entered at the same time. Compared to other systems, all of this only leads to a slight delay in data transmission in the nanosecond range and increases the transmission speed.

With fieldbuses and Industrial Ethernet, the communication systems in the production environment are becoming more and more powerful. Technical and physical rules must be observed for the components and the installation, regardless of the protocol and system name.

Due to high transmission rates on the fieldbus, high-frequency interference signals occur in automation. In addition, there are high-energy fields from high, rapidly switched currents from power electronics devices. A consistent shield connection is therefore essential for trouble-free operation. Functional components also offer the necessary deflection surface for high-frequency interference signals. Industrial Ethernet has long since found its way into industry and has thus led to higher transmission rates on the fieldbus. In addition, increasing automation requires more electronically controlled motors and drives. For example, frequency converters along with supply lines and motors are operated in the immediate vicinity of the controls. As technology advances, the electromagnetic spectrum is also changing, increasing pollution from interfering signals. Motors, frequency converters and other devices can unintentionally become transmitters (sources of interference) in the industrial environment. In return, regulations and controls, including the fieldbus, can behave like receivers (interference sinks). Proper shielding is therefore essential. As a rule, signals susceptible to interference are routed to the system cabinet via shielded multi-wire cables. On the way there, interference signals originating from power converters, circuit breakers, frequency converters or other switching processes couple into the cable shield. However, the further the interference signal shifts into the high-frequency range, the more pronounced the skin effect becomes. The disturbance current is here is pushed onto the conductor surface and no longer has the full cross-section available. This means that the contact resistance at the connection points of the shield connection increases for high-frequency interference currents. The components used for grounding must therefore offer a good conductive surface with simultaneous protection against corrosion.

Equipotential bonding for the purpose of reducing interference voltage must be high-frequency compatible and low-impedance. This is often made possible by flat connections (bands, sheet metal strips) of metal system parts. A large surface is not so important because of the current-carrying capacity, but to keep the inductance low. Equipotential busbars serve as a ground reference point for electronic controls. There, all ground lines and shields are brought together in a star shape. This is particularly important with mixed digital and analog signals. To avoid ground loops, ground lines must be routed separately before the ground reference point. With some devices, the device ground is not equal to the earth potential. Their reference potentials are floating (undefined) and must not be connected directly to the earthed reference point. These devices or assemblies must be connected to the other assemblies via special intermediate coupling stages. The contact surfaces in the housing must be free of grease and dirt. They must not be painted and have no oxide layers.

Before cable shields are connected, the local earth and potential conditions at both contact points must be checked. If critical potential differences are determined, appropriate measures must be taken by the (fieldbus or system) operator in terms of grounding recommendations and/or binding regulations or standards.

Cable screens and protective steel hoses should be laid on both sides if possible. The rule used to be that cable screens should only be applied on one side in order to avoid compensating currents (earth loops).

• a) Stromtragfähigkeit des Schirms überprüfen, d.h. durch Messungen und Berechnungen feststellen, ob der zu erwartende Ausgleichsstrom Schirm und Kabel schädigen könnte.
• b) Ist der zu erwartende Ausgleichsstrom zu groß, um über den Schirm abgeleitet zu werden, muss entweder
  • b1) zwischen den unterschiedlichen Potentialen eine stromtragfähige Ausgleichsleitung verlegt werden oder
  • b2) eine Seite des Kabelschirms nicht direkt aufgelegt, sondern kapazitiv (10 ... 100 nF bipolar) an den Schirmauflagepunkt angekoppelt werden.

Today, electromagnetic compatibility (EMC) often requires the opposite, i.e. laying on both sides. Therefore equalizing currents caused by local potential differences, which could destroy the screen, cable and electronics, must be prevented or kept small by taking appropriate measures. For cable lengths of more than 25 m, the local earth and potential conditions must be checked. If potential differences are detected that can cause equalizing currents, the following measures must be considered:

• a) Check the current-carrying capacity of the shield, ie use measurements and calculations to determine whether the expected compensating current could damage the shield and cable.
• b) If the equalizing current to be expected is too large to be discharged via the screen, either
  • b1) a current-carrying compensating line is laid between the different potentials or
  • b2) one side of the cable shield is not connected directly, but capacitively (10 ... 100 nF bipolar) coupled to the shield contact point.

The object of the invention is to improve known devices with regard to their cable shield connection and grounding properties and options.

The object is achieved according to the independent patent claims and the variants preferred in the subclaims.

• Das Slavegerät 1 weist eine horizontale Potenzialausgleichsleitung (6h) mit mehreren Gerät-(1-)seitige Potenzialausgleichsleiterstücke 6hs) einer Kabelschirme-Durchschleifeinheit (2) auf. Diese verläuft auf der Außenseite einer galvanisch und/oder elektrisch nichtleitenden Wandung (10w) des Oberteiles (10mo) mit mindestens zwei darin dauerhaft befestigten Wandrundsteckverbindern (20w) gleichen und /oder komplementären Typs (horizontales Rundsteckverbinderpaar 20wps, 20phk, 20phn). Sie dient zur galvanisch und/oder elektrisch möglichst niederohmigen, Steckverbindergehäuse-(20g-)basierten Verbindung der Kabelschirme (5m) mehrerer, an diese Wandrundsteckverbinder (20w) anschließbaren und verriegelbaren Kabelrundsteckverbinder (20k, 20kb 20ks) bzw. Rundsteckverbinderkabel (5, 5b, 5s). Das Slavegerät 1 weist außerdem eine vertikale, durch den Innenraum des Gerätes (1) geführten Potenzialausgleichsleiters (6v) auf. Dieser hat mit mehrere vertikale Potenzialausgleichsleiterstücken (6vs) zwischen dem untersten Potenzialausgleichsleiterstück (6vs) auf bzw. in Form der Unterseite des metallischen Unterteiles (10mu) des Gerätes (1), vzw. Einem Hilfselement (8), insbesondere einem Rastklemmteil (8), und dem obersten vertikalen Potenzialausgleichsleiterstück (6vs) des Gerätes (1) auf der Außenseite der Wandung (10). Dieses ist mit einem der horizontalen Potenzialausgleichsleiterstücke (6hs) identisch. Durch diese kombinierte Potenzialausgleichsleiter-Funktion ist es besser möglich die hohen Anforderungen bzgl. EMV-Festigkeit und Störabstrahlung zu erfüllen, was besonders wichtig bei Feldbus-Slavegeräten (1) und-Systemen, bei denen hohe Frequenzen auftreten., z.B. bei Ethernet-basierten Feldbussen.

A first variant of the invention relates to a fieldbus slave device (1) of a data-serial mono- or multi-master-slave fieldbus for evaluating/processing the measurement or control signals of a slave (1) internal or external, vzw. -external sensor and/or actuator. This is designed as follows:

• The slave device 1 has a horizontal potential equalization line (6h) with a plurality of device (1)-side potential equalization conductor pieces 6hs) of a cable shield loop-through unit (2). This runs on the outside of a galvanically and/or electrically non-conductive wall (10w) of the upper part (10mo) with at least two wall circular connectors (20w) of the same and/or complementary type (horizontal circular connector pair 20wps, 20phk, 20phn) permanently fastened therein. It is used for the galvanically and/or electrically as low-impedance as possible, connector housing (20g)-based connection of the cable shields (5m) of several circular cable connectors (20k, 20kb, 20ks) or circular connector cables (5, 5b, 5s) that can be connected and locked to this circular wall connector (20w). The slave device 1 also has a vertical equipotential bonding conductor (6v) routed through the interior of the device (1). This has several vertical potential equalization conductor pieces (6vs) between the bottom potential equalization conductor piece (6vs) on or in the form of the underside of the metallic lower part (10mu) of the device (1), vzw. An auxiliary element (8), in particular one Snap-in clamp part (8) and the top vertical equipotential bonding conductor piece (6vs) of the device (1) on the outside of the wall (10). This is identical to one of the horizontal equipotential bonding conductors (6hs). This combined equipotential bonding function makes it easier to meet the high requirements in terms of EMC resistance and interference emissions, which is particularly important for fieldbus slave devices (1) and systems where high frequencies occur, e.g. for Ethernet-based fieldbuses.

• Das Gerät 1 weist eine horizontale Potenzialausgleichsleitung (6h) mit mehreren Gerät-(1-)seitige Potenzialausgleichsleiterstücke 6hs) einer Kabelschirme-Durchschleifeinheit (2) auf.
• Diese verläuft auf der Außenseite einer galvanisch und/oder elektrisch nichtleitenden Wandung (10w) des Oberteiles (10mo) mit mindestens zwei darin dauerhaft befestigten Wandrundsteckverbindern (20w) gleichen und /oder komplementären Typs (horizontales Rundsteckverbinderpaar 20wps, 20phk, 20phn). Sie dient zur galvanisch und/oder elektrisch möglichst niederohmigen, Steckverbindergehäuse-(20g-)basierten Verbindung der Kabelschirme (5m) mehrerer, an diese Wandrundsteckverbinder (20w) anschließbaren und verriegelbaren Kabelrundsteckverbinder (20k, 20kb 20ks) bzw. Rundsteckverbinderkabel (5, 5b, 5s). Das Slavegerät 1 weist außerdem eine vertikale, durch den Innenraum des Gerätes (1) geführten Potenzialausgleichsleiters (6v) auf. Dieser hat mit mehrere vertikale Potenzialausgleichsleiterstücken (6vs) zwischen dem untersten Potenzialausgleichsleiterstück (6vs) auf bzw. in Form der Unterseite des metallischen Unterteiles (10mu) des Gerätes (1), vzw. einem Hilfselement (8), insbesondere einem Rastklemmteil (8), und dem obersten vertikalen Potenzialausgleichsleiterstück (6vs) des Gerätes (1) auf der Außenseite der Wandung (10). Dieses ist mit einem der horizontalen Potenzialausgleichsleiterstücke (6hs) identisch.

A second, unclaimed variant relates to an Industrial Ethernet device (1) for the evaluation / processing of the measurement or control signals of a device (1) internal or - external, vzw. -external sensor and/or actuator. This is designed as follows:

• The device 1 has a horizontal potential equalization line (6h) with a plurality of device (1)-side potential equalization conductor pieces 6hs) of a cable shield loop-through unit (2).
• This runs on the outside of a galvanically and/or electrically non-conductive wall (10w) of the upper part (10mo) with at least two wall circular connectors (20w) of the same and/or complementary type (horizontal circular connector pair 20wps, 20phk, 20phn) permanently fastened therein. It is used for the galvanically and/or electrically as low-impedance as possible, connector housing (20g)-based connection of the cable shields (5m) of several circular cable connectors (20k, 20kb, 20ks) or circular connector cables (5, 5b, 5s) that can be connected and locked to this circular wall connector (20w). The slave device 1 also has a vertical equipotential bonding conductor (6v) routed through the interior of the device (1). This has several vertical potential equalization conductor pieces (6vs) between the bottom potential equalization conductor piece (6vs) on or in the form of the underside of the metallic lower part (10mu) of the device (1), vzw. an auxiliary element (8), in particular a locking clamp part (8), and the uppermost vertical equipotential bonding conductor piece (6vs) of the device (1) on the outside of the wall (10). This is identical to one of the horizontal equipotential bonding conductors (6hs).

This potential equalization conductor function, combined in various ways, makes it easier to meet the high requirements in terms of EMC resistance and interference emissions, which is particularly important for fieldbus slave devices (1) and systems where high frequencies occur, e.g. for Ethernet-based fieldbuses.

Certain configurations and uses of certain one-piece snap-in clamping parts that can be produced by forming a metal sheet are also advantageous for electronic devices of various types that can be grounded. These are, in particular, fieldbus slaves or Industrial Ethernet devices as equipotential bonding conductor pieces of a vertical equipotential bonding conductor with the lowest possible galvanic and/or electrical resistance that can be snapped onto a mounting rail and can be contacted with low resistance.

A variant that can be advantageously combined relates to horizontal equipotential bonding conductor sections and their applications. Advantageous, relatively simple and low-impedance cable shield connection devices and corresponding devices can be realized through specific configurations and properties of contact eye springs with two or three main contact eyes. One variant of the invention relates to a strip-like contact eye spring or contact leaf spring with two main contact eyes as a horizontal potential equalization element of a horizontal potential equalization line (6h) for the galvanically and/or electrically as low-impedance as possible cable shield connection of a connecting device and/or an electronic device by means of two connectable circular cable connectors or two connectable circular connector cables.

A further variant of the invention relates to a strip-like contact eye spring or contact leaf spring with three main contact eyes as a horizontal potential equalization element of a horizontal potential equalization line for the galvanically and/or electrically as low-impedance as possible cable shield (5m) connection of a connecting device and/or an electronic device with two to three circular connector cables that can be connected by means of circular cable connectors. The contact eye spring, which can only be deflected vertically, is made of spring steel with regard to optimal contact and spring properties.

• 1: Ein mehradriges geschirmtes Rundsteckerbuchsekabel 5b mit einem manuell zu- und abschaltbaren Kabelschirm 5m einer Kabelrundsteckerbuchse 20kb;
• 2: Ein mehradriges geschirmtes Rundsteckerkabel 5s mit einem manuell zu- und abschaltbaren Kabelschirm 5m eines Kabelrundsteckers 20ks als Kabelsteckverbinder 20k;
• 3: Eine zweiäugige Kontaktblattfeder 15 mit zwei Ebenen, geschlossenen Kontaktaugen 15a bzw. einem Kontaktauge 15a (links) und einem Befestigungsauge 15b (rechts) mit je einem kreisringförmigen Kontaktbereich auf deren Unter- und Oberseite; die auf der Oberseite der Wandung 10w des Gerätes 1 dauerhaft anbringbar ist und nach oben bzw. in Richtung des in den 8 und 14 gezeigten Kabelstecker 20ks (Kabelsteckverbinder 20k bzw. Gegenrundsteckverbinder) gebogen ist;
• 4: Eine vieräugige Kontaktblattfeder 15 mit vier geschlossenen Kontaktaugen 15a mit je einem kreisringförmigen Kontaktbereich auf deren Unter- und Oberseite, von denen drei Rundsteckverbinder-(RSV)-Kontaktaugen 15akr sind, von denen das mittlere als Befestigungs-/Kontaktauge 15a, 15b für die dauerhafte, Gegenrundsteckverbinderunabhängige Befestigung gestaltet und nutzbar ist; Die Kontaktblattfeder 15 ist dauerhaft auf der Oberseite der Wandung 10w des Gerätes 1 anbringbar, ihre beiden äußeren Flügel (15a) sind nach oben bzw. in Richtung des in den 8 und 14 gezeigten Kabelsteckers 20ks (Kabelsteckverbinder 20k bzw. Gegenrundsteckverbinder) gebogen;
• 5: Ein einstückiges, galvanisches leitendes Blech-Rastklemmteil 8 mit vier flächemäßig großen Kontaktierungs- und Befestigungs-Klemmen im Randbereich als auf die Trag-, Hut- bzw. DIN-Schiene 7h aufrastbares (vertikales) Potenzialausgleichsleiterstück 6s, 6vs für die selbstkontaktierende Befestigung an den 4 Zapfen 10muz des metallischen Gehäuseunterteiles 10mu in zwei Ausführungsvarianten:
  1. a) mit paarigen, federnden Zungen für die Selbstkontaktierung und mechanische Selbstsperrung/Sicherung
  2. b) mit vier konushohlzylinderartigen Rundöffnungen für eine möglichst niederohmige galvanische Kontaktierung und rüttelsicheren mechanische Befestigung
• 6: Ein elektronisches Gerät 1 bzw. ein Slave 1 mit einer dreiäugigen Kontaktaugenfeder 15 für die Auswertung und/oder Steuerung der Signale mindestens eines internen oder externen Sensors und/oder Aktors, z.B. als Profibus-DP-Slavegerät 1 mit einem nicht dargestellten, extern anschließbaren Sensor, z.B. in Form eines Druckmessgerätes oder RFID-Schreib- und Lesegerätes;
• 7: Ein elektronisches, auf einer Trag-/Hut-Schiene 7, 7h, befestigtes, quaderförmiges Gerät 1 bzw. Slave 1 mit einem Gehäuseunter- und-oberteil 10mu, 10mo und einer vieräugigen, zweistückigen Kontaktaugenfeder 15 als vertikales Potenzialausgleichsleiterstück 6vs, deren drei Kontakt- bzw. Befestigungsaugen 15a, 15b im Wesentlichen konzentrisch zu den beiden Wandrundsteckerbuchsen 20wb (nichtkomplementäres, horizontales Rundsteckverbinderpaar 20phn und nichtkomplementäres, horizontales Wandrundsteckverbinderpaar 20whn) und dem mittleren Wandrundsteckverbinder 20w in Form eines Wandrundsteckers 20ws ausgerichtet sind, so dass diese 3 Kontakt- bzw. Befestigungsaugen 15a, 15b beispielsweise wie in 8 mit einem nichtkomplementären Rundsteckverbinderpaar Sphk Kabelschirm-5m-kontaktier- und im Flügelbereich temporär an der Wandung 10w und an der isolierenden, integriert in der Wandung ausgebildeten Kunststoff-Innengewindehülse der Wandrundsteckerbuchse 20wb befestigbar ist
• 8: Ein Gerät 1 gemäß 7, jedoch mit aufgestecktem komplementären horizontalem Rundsteckverbinderkabelpaar Skhk (auch nichtkomplementären horizontales Rundsteckverbinderkabelpaar Skhn, z.B. gemäß 14 möglich) für z.B. einen Feldbusanschluss, wobei das Auswerte- und/oder Steuergerät 1 auf eine geerdete bzw. erdbare Tragschiene 7, hier eine Hutschiene 7h, aufgerastet ist mittels eines Potenzialausgleichsleiterstückes 6s in Form eines Rastklemmteiles 8, das sowohl mit der Hutschiene 7h als auch mit dem vollmetallischen Unterteil 10mu des mehrteiligen Gehäuse 10m durch die relativ großen Kontaktflächen galvanisch niedrohmig verbunden ist; vieräugigen, zweistückigen Kontaktaugenfeder 15 vieräugigen, zweistückigen Kontaktaugenfeder 15, deren 3 Kontakt- bzw. Befestigungsaugen 15a, 15b im Wesentlichen konzentrisch zu den beiden Wandrundsteckerbuchsen 20wb (nichtkomplementäres, horizontales Rundsteckverbinderpaar 20phn und nichtkomplementäres, horizontales Wandrundsteckverbinderpaar 20whn) und dem mittleren Wandrundsteckverbinder 20w in Form eines Wandrundsteckers 20ws ausgerichtet sind, so dass die an der stationären, nicht drehbeweglichen Außengewindehülse 20wg des Wandrundsteckers 20ws befestigte und galvanisch kontaktierte, dauerhaft in der galvanisch nicht leitenden Wandung 10w des nichtleitenden Kunststoff-Gehäuseoberteiles 10_O befestigte Kontaktaugenfeder 15 als vertikales Potenzialausgleichsleiterstück 6vs fungiert; Ein horizontaler Potenzialausgleichsleiter 6h zwischen den Kabelschirmen 5m der zwei oder drei Gegenrundsteckverbinder (3 Kabelrundsteckverbinder 20k: 2 Kabelrundstecker 20ks und ein Kabelrundsteckerbuchse 20kb) hergestellt ist; wenn diese an diese drei Wandrundsteckverbinder angeschlossenen und mittels ihrer manuell drehbaren Gewindehülsen 20kgd fixiert und kabelschirm-kontaktiert sind
• 9: Eine perspektivische Darstellung von 7
• 10: Entspricht im Wesentlichen den 7-9; Hier ist jedoch allein oder zusätzlich zu der Möglichkeit einer Kabelschirme-Durchschleifeinheit bzw. -Vorrichtung, z.B. als Vorrichtung 2, mit einem horizontalen Potenzialausgleichsleiter 6h eine Lösung mit einem vertikalen Potenzialausgleichsleiter gezeigt, der nicht außerhalb des Gerätes 1 oder auf seiner leitenden Oberfläche (massives Metallgehäuse) verläuft, sondern alternativ oder zusätzlich zu einem sonstigen vertikalen Potenzialausgleichsleiter 6h von der Kontaktaugenfeder 15 bzw. der in der galvanisch nichtleitenden Wandung 10w befestigten, metallischen Außengewindehülse 20wsg und des auf der Leiterplatte 31 fixierten „Restes“ (12, 13) dieses Wandrundsteckers 20ws durch das Gerät 1 über das Kontaktelement 12 (11, 16) bzw. das federnde Kontaktelement und das darunter angeordnete Kontaktscheibe 12k (Klemm- bzw. sicherungsscheibe) bis zu einem Rastklemmteil 8 als „unterstes“ vertikales Potenzialausgleichsstück 6vs, optional auch über eine auf der Leiterplatte befestigte und Kabelschirm-Sm-kontaktierte, nichtdargestellte Filtereinheit zur gezielten (Frequenz-)Filterung der über diesen vertikalen Potenzialausgleichsleiter fließenden (Ausgleichs-) Ströme
• 11: Ein metallisches, massives Unterteil 10mu des Gerätes/Slaves 1 mit einer auf dem oberen Zapfen 10muzo befestigten und galvanisch kontaktierten Klemm- bzw. Sicherungsscheibe 12k (siehe 6, 8, 10, 16b+c); Das Unterteil 10mu entspricht im Wesentlichen dem der 6-10 und ist mit dem Oberteil 10mo dicht verschraubbar; Es ist geeignet für einen vertikalen Potenzialausgleichsleiter 6v, der nicht außerhalb des Gerätes 1 oder auf seiner leitenden Oberfläche (massives Metallgehäuse) verläuft, sondern alternativ oder zusätzlich zu einem sonstigen vertikalen Potenzialausgleichsleiter 6h von der Kontaktaugenfeder 15 bzw. der in der galvanisch nichtleitenden Wandung 10w befestigten,
• metallischen Außengewindehülse 20wsg und des auf der Leiterplatte 31 fixierten „Restes“ (12, 13) dieses Wandrundsteckers 20ws durch das Gerät 1 über das Kontaktelement 12 (11, 16) bzw. das federnde Kontaktelement und das darunter angeordnete Kontaktscheibe 12k (Klemm- bzw. Sicherungsscheibe) bis zu einem Rastklemmteil 8 als „unterstes“ vertikales Potenzialausgleichsstück 6vs; Vier flache, galvanisch nichtleitende Wärmeleitplatten ermöglichen einen verbesserten Wärmeabttransport der an der Unterseite des Oberteiles 10mo befestigten Leiterplatte 31 zum Unterteil 10mu mit hoher Wärmekapazität und hoher, gerippter Oberfläche
• 12: Das Oberteil 10mo mit an ihrer Unterseite befestigten Leiterplatte 31 in Explosionsdarstellung; Ein Teil der Leiterplatte 31 fungiert als vertikales Potenzialausgleichselement 6vs (mit Hilfe der Kontaktfeder 20wsg an der Kunststoffhülse des Kontaktstifteträgers des Potenzialausgleichsleiters 6) und trägt den „Rest“ des Wandrundsteckers 20ws, während dessen metallische, kabelschirm-Sm-kontaktierbare in der galvanisch nichtleitenden Wandung 10w mittels einer Mutter befestigte stationäre Außengewindehülse 20wgd, mit der das mittlere Kontaktauge 15a der zweistückigen Kontaktaugenfeder 15 verschraubt ist
• 13: Ein Ausschnitt der Darstellung gemäß 12 mit der gut sichtbaren Kontaktfeder 20wsg auf der elektrisch isolierende (Kunststoff-)Hülse des Steckerstifteträgers als vertikales Potenzialausgleichsleiterstück 6vs
• 14: Zwei bevorzugte Ausführungen von für die Erfindung und Hochfrequenz-Feldbusse und Industrial-Ethernet-Systeme (>10-100 MHz) besonders geeigneten Kabelrundsteckern 20ks bzw. Rundsteckerkabeln 5s, insbesondere als Teil eines komplementären oder
• nichtkomplementären Kabelrundsteckerpaares 20khk bzw. eines komplementären oder
• nichtkomplementären Rundsteckerkabelpaares Sphk (8) als gerät-seitiger Feldbus-Ein- und Feldbus-Ausgang
• 15: Einstückige Kontaktaugenfeder 15 mit drei Kontaktaugen 15a und zwei nach oben gebogenen, ebenen Flügeln als Alternative zu den anderen Ausführungen (3, 4); eine Besonderheit ist das nicht ringförmig geschlossenen Kontaktauge 15a des linken Flügels und der konzentrisch angeordnete Federring des mittleren bzw. für Dauerbefestigung mittels Gewindehülse 20wsg vorgesehenen mittleren Kontaktauges 15a
• 16a: Kontaktfederelement 12 als (eine Form des Kontaktelementes 12), das an die Leiterplatte 31 angelötet bzw. mit dieser galvanisch kontaktiert ist;
  1. a) Als einziges vertikales Potenzialausgleichsleiterelement 6vs zwischen der Leiterplatte 31 und einem galvanisch leitenden Bereiches der Oberseite des Unterteiles 10mu oder
  2. b) a) Als vertikales Potenzialausgleichsleiterelement 6vs zwischen der Leiterplatte 31 und einem darunter angeordneten vertikalen Potenzialausgleichsleiterelement 6vs in Form einer Klemmscheibe 12k (16b+c, 6, 10, 11), die auf einen Zapfen 10muzo des Unterteiles 10mu galvanisch kontaktierend aufgedrückt ist
• 16b: Klemmscheibe für Anwendungen gemäß der 6, 10 und 11
• 16c: Kontaktfederstift 12f als an die Leiterplatte 31 angelötetes bzw. galvanisch kontaktiertes vertikales Potenzialausgleichsleiterelement 6vs; Alternative zur direkten oder indirekten Unterteil-10mu-Kontaktierung mittels der Kontaktfeder 12f; Der Kontaktfederstift 12f drückt vertikal federnd auf die vzw. gekrümmte Ober- bzw. Innenseite (vzw. am abfallenden Teil) einer entsprechend geformten Klemmscheibe, wie sie die untere Abbildung der 16b zeigt

The invention is explained in more detail with reference to the figures, the description of reference numbers and the following description. Show it:

• 1 : A multi-core shielded round connector socket cable 5b with a cable shield 5m that can be switched on and off manually and a cable round connector socket 20kb;
• 2 : A multi-core, shielded circular connector cable 5s with a cable shield 5m that can be switched on and off manually, of a cable circular connector 20ks as a cable connector 20k;
• 3 : A two-eye contact leaf spring 15 with two levels, closed contact eyes 15a or one contact eye 15a (left) and one fastening eye 15b (right) each with a circular contact area their bottom and top; which is permanently attachable on top of the wall 10w of the device 1 and upwards or in the direction of the 8th and 14 shown cable connector 20ks (cable connector 20k or mating circular connector) is bent;
• 4 : A four-eye contact leaf spring 15 with four closed contact eyes 15a, each with an annular contact area on the bottom and top, of which three are circular connector (RSV) contact eyes 15akr, of which the middle one is designed and usable as a fastening/contact eye 15a, 15b for permanent, mating circular connector-independent fastening; The contact leaf spring 15 is permanently attached to the top of the wall 10w of the device 1, its two outer wings (15a) are up or in the direction of the 8th and 14 shown cable connector 20ks (cable connector 20k or mating round connector) bent;
• 5 : A one-piece, galvanic, conductive sheet metal snap-in clamp part 8 with four large-area contacting and fastening clamps in the edge area as a (vertical) equipotential bonding conductor piece 6s, 6vs that can be snapped onto the support rail, hat rail or DIN rail 7h for self-contacting attachment to the 4 pins 10muz of the metal housing lower part 10mu in two design variants:
  1. a) with pairs of resilient tongues for self-contacting and mechanical self-locking/safety
  2. b) with four cone-shaped hollow cylinder-like round openings for the lowest possible resistance galvanic contact and vibration-proof mechanical attachment
• 6 : An electronic device 1 or a slave 1 with a three-eyed contact eye spring 15 for evaluating and/or controlling the signals of at least one internal or external sensor and/or actuator, e.g. as a Profibus-DP slave device 1 with an externally connectable sensor (not shown), e.g. in the form of a pressure gauge or RFID writing and reading device;
• 7 : An electronic cuboid device 1 or slave 1 fastened to a support/top-hat rail 7, 7h, with a lower and upper housing part 10mu, 10mo and a four-eye, two-piece contact eye spring 15 as a vertical potential equalization conductor piece 6vs, the three contact or fastening eyes 15a, 15b of which are essentially concentric to the two round wall plug sockets 20wb ( non-complementary, horizontal circular connector pair 20phn and non-complementary, horizontal horizontal wall circular connector pair 20whn) and the central wall circular connector 20w in the form of a wall circular connector 20ws are aligned, so that these 3 contact or fastening eyes 15a, 15b, for example, as in 8th with a non-complementary round plug connector pair Sphk Kabelschirm-5m-kontaktier- and in the wing area can be temporarily fastened to the wall 10w and to the insulating plastic internally threaded sleeve of the wall round plug socket 20wb, which is integrated into the wall
• 8th : A device 1 according to 7 , but with attached complementary horizontal circular connector cable pair Skhk (also non-complementary horizontal circular connector cable pair Skhn, e.g. according to 14 possible) for e.g. a fieldbus connection, the evaluation and/or control unit 1 being snapped onto a grounded or groundable mounting rail 7, here a top-hat rail 7h, by means of a potential equalization conductor piece 6s in the form of a locking clamp part 8, which is electrically connected with low impedance both to the top-hat rail 7h and to the all-metal lower part 10mu of the multi-part housing 10m through the relatively large contact surfaces; four-eyed, two-piece contact eye spring 15 four-eyed, two-piece contact eye spring 15, the 3 contact or fastening eyes 15a, 15b essentially concentric to the two wall circular sockets 20wb (non-complementary, horizontal circular connector pair 20phn and non-complementary, horizontal wall circular connector pair 20whn) and the middle wall circular connector 20w in the form of a wall round plug 20ws are aligned, so that the contact eye spring 15, which is attached to the stationary, non-rotatable, externally threaded sleeve 20wg of the round wall plug 20ws and is electrically contacted and permanently fixed in the galvanically non-conductive wall 10w of the non-conductive plastic housing upper part 10 _O , acts as a vertical potential equalization conductor piece 6vs; A horizontal equipotential bonding conductor 6h is established between the cable shields 5m of the two or three mating circular connectors (3 circular cable connectors 20k: 2 circular cable connectors 20ks and a circular cable connector socket 20kb); when these are connected to these three round wall connectors and fixed and cable shield-contacted by means of their manually rotatable threaded sleeves 20kgd
• 9 : A perspective view of 7
• 10 : Essentially corresponds to the 7-9 ; Here, however, alone or in addition to the possibility of a cable shield loop-through unit or device, e.g. as device 2, with a horizontal potential equalization conductor 6h, a solution with a vertical potential equalization conductor is shown, which does not run outside the device 1 or on its conductive surface (solid metal housing), but alternatively or in addition to another vertical potential equalization conductor 6h from the contact eye spring 15 or the metallic externally threaded sleeve fixed in the galvanically non-conductive wall 10w 20wsg and the "rest" fixed on the printed circuit board 31 ( 12 , 13 ) of this round wall plug 20ws through the device 1 via the contact element 12 ( 11 , 16 ) or the resilient contact element and the contact disk 12k arranged underneath (clamping or securing disk) up to a locking clamp part 8 as the “lowest” vertical equipotential bonding piece 6vs, optionally also via a filter unit (not shown) attached to the printed circuit board and cable shield Sm-contacted for targeted (frequency) filtering of the (equalizing) currents flowing via this vertical equipotential bonding conductor
• 11 : A metallic, solid lower part 10mu of the device/slave 1 with a clamping or locking washer 12k attached to the upper pin 10muzo and electrically contacted (see 6 , 8th , 10 , 16b+c ); The lower part 10mu essentially corresponds to that of 6-10 and can be tightly screwed to the upper part 10mo; It is suitable for a vertical equipotential bonding conductor 6v, which does not run outside the device 1 or on its conductive surface (solid metal housing), but alternatively or in addition to another vertical equipotential bonding conductor 6h from the contact eye spring 15 or the one fixed in the galvanically non-conductive wall 10w,
• metallic outer-threaded sleeve 20wsg and the "rest" fixed on the printed circuit board 31 ( 12 , 13 ) of this round wall plug 20ws through the device 1 via the contact element 12 ( 11 , 16 ) or the resilient contact element and the contact disk 12k (clamping or securing disk) arranged underneath up to a locking clamp part 8 as the "lowest" vertical equipotential bonding piece 6vs; Four flat, galvanically non-conductive heat-conducting plates enable improved heat dissipation from the printed circuit board 31 attached to the underside of the upper part 10mo to the lower part 10mu with high heat capacity and a high, ribbed surface
• 12 : The upper part 10mo with the printed circuit board 31 attached to its underside in an exploded view; Part of the printed circuit board 31 acts as a vertical equipotential bonding element 6vs (with the help of the contact spring 20wsg on the plastic sleeve of the contact pin carrier of the equipotential bonding conductor 6) and carries the "rest" of the round wall plug 20ws, while its metallic, cable shield-Sm-contactable, stationary externally threaded sleeve 20wgd is fastened in the galvanically non-conductive wall 10w by means of a nut, with which the middle contact eye 1 5a of the two-piece contact eye spring 15 is screwed
• 13 : A section as shown 12 with the clearly visible 20wsg contact spring on the electrically insulating (plastic) sleeve of the connector pin carrier as a vertical 6vs equipotential bonding conductor
• 14 : Two preferred versions of circular cable connectors 20ks or circular connector cables 5s that are particularly suitable for the invention and high-frequency fieldbuses and Industrial Ethernet systems (>10-100 MHz), in particular as part of a complementary or
• non-complementary circular cable connector pair 20khk or a complementary or
• non-complementary bullet connector cable pair Sphk ( 8th ) as device-side fieldbus input and fieldbus output
• 15 : One-piece eyelet spring 15 with three eyelets 15a and two planar wings bent up as an alternative to the other designs ( 3 , 4 ); A special feature is the non-ring-shaped contact eye 15a of the left wing and the concentrically arranged spring washer of the middle contact eye 15a, or the middle contact eye 15a provided for permanent attachment by means of a threaded sleeve 20wsg
• 16a : contact spring element 12 as (a form of the contact element 12) which is soldered to the printed circuit board 31 or galvanically contacted with it;
  1. a) As the only vertical potential equalization conductor element 6vs between the printed circuit board 31 and a galvanically conductive area on the upper side of the lower part 10mu or
  2. b) a) As a vertical potential equalization conductor element 6vs between the printed circuit board 31 and a vertical potential equalization conductor element 6vs arranged underneath in the form of a clamping disk 12k ( 16b+c , 6, 10, 11), which is pressed onto a pin 10muzo of the lower part 10mu in a galvanically contacting manner
• 16b : Clamp washer for applications according to 6 , 10 and 11
• 16c : Contact spring pin 12f as a vertical equipotential bonding conductor element 6vs soldered or galvanically contacted to the printed circuit board 31; Alternative to direct or indirect base 10mu contacting by means of the contact spring 12f; The contact spring pin 12f presses vertically resiliently on the vzw. curved upper or inner side (vzw. On the sloping part) of a correspondingly shaped clamping disc, as shown in the lower figure of the 16b shows

• Eine erste Variante betrifft eine Feldbus-Slavegerät (1) eines datenseriellen Mono- oder Multi-Master-Slave-Feldbusses für die Auswertung/Bearbeitung der Mess- bzw. Steuersignale eines Slave-(1-)internen oder -externen, vzw. -externen Sensors und/oder Aktors. Dieser ist folgendermaßen gestaltet:
  • Das Slavegerät 1 weist eine horizontale Potenzialausgleichsleitung (6h) mit mehreren Gerät-(1-)seitige Potenzialausgleichsleiterstücke 6hs) einer Kabelschirme-Durchschleifeinheit (2) auf. Diese verläuft auf der Außenseite einer galvanisch und/oder elektrisch nichtleitenden Wandung (10w) des Oberteiles (10mo) mit mindestens zwei darin dauerhaft befestigten Wandrundsteckverbindern (20w) gleichen und /oder komplementären Typs (horizontales Rundsteckverbinderpaar 20wps, 20phk, 20phn). Sie dient zur galvanisch und/oder elektrisch möglichst niederohmigen, Steckverbindergehäuse-(20g-)basierten Verbindung der Kabelschirme (5m) mehrerer, an diese Wandrundsteckverbinder (20w) anschließbaren und verriegelbaren Kabelrundsteckverbinder (20k, 20kb 20ks) bzw. Rundsteckverbinderkabel (5, 5b, 5s). Das Slavegerät 1 weist außerdem eine vertikale, durch den Innenraum des Gerätes (1) geführten Potenzialausgleichsleiters (6v) auf. Dieser hat mit mehrere vertikale Potenzialausgleichsleiterstücken (6vs) zwischen dem untersten Potenzialausgleichsleiterstück (6vs) auf bzw. in Form der Unterseite des metallischen Unterteiles (10mu) des Gerätes (1), vzw. einem Hilfselement (8), insbesondere einem Rastklemmteil (8), und dem obersten vertikalen Potenzialausgleichsleiterstück (6vs) des Gerätes (1) auf der Außenseite der Wandung (10). Dieses ist mit einem der horizontalen Potenzialausgleichsleiterstücke (6hs) identisch. Durch diese kombinierte Potenzialausgleichsleiter-Funktion ist es besser möglich die hohen Anforderungen bzgl. EMV-Festigkeit und Störabstrahlung zu erfüllen, was besonders wichtig bei Feldbus-Slavegeräten (1) und-Systemen, bei denen hohe Frequenzen auftreten., z.B. bei Ethernet-basierten Feldbussen.

The invention is explained in more detail below with corresponding, preferred embodiment variants:

• A first variant relates to a fieldbus slave device (1) of a data-serial mono- or multi-master-slave fieldbus for evaluating/processing the measurement or control signals of a slave (1) internal or external, vzw. -external sensor and/or actuator. This is designed as follows:
  • The slave device 1 has a horizontal potential equalization line (6h) with a plurality of device (1)-side potential equalization conductor pieces 6hs) of a cable shield loop-through unit (2). This runs on the outside of a galvanically and/or electrically non-conductive wall (10w) of the upper part (10mo) with at least two wall circular connectors (20w) of the same and/or complementary type (horizontal circular connector pair 20wps, 20phk, 20phn) permanently fastened therein. It is used for the galvanically and/or electrically as low-impedance as possible, connector housing (20g)-based connection of the cable shields (5m) of several circular cable connectors (20k, 20kb, 20ks) or circular connector cables (5, 5b, 5s) that can be connected and locked to this circular wall connector (20w). The slave device 1 also has a vertical equipotential bonding conductor (6v) routed through the interior of the device (1). This has several vertical potential equalization conductor pieces (6vs) between the bottom potential equalization conductor piece (6vs) on or in the form of the underside of the metallic lower part (10mu) of the device (1), vzw. an auxiliary element (8), in particular a locking clamp part (8), and the uppermost vertical equipotential bonding conductor piece (6vs) of the device (1) on the outside of the wall (10). This is identical to one of the horizontal equipotential bonding conductors (6hs). This combined equipotential bonding function makes it easier to meet the high requirements in terms of EMC resistance and interference emissions, which is particularly important for fieldbus slave devices (1) and systems where high frequencies occur, e.g. for Ethernet-based fieldbuses.

• Das Gerät 1 weist eine horizontale Potenzialausgleichsleitung (6h) mit mehreren Gerät-(1-)seitige Potenzialausgleichsleiterstücke 6hs) einer Kabelschirme-Durchschleifeinheit (2) auf.
• Diese verläuft auf der Außenseite einer galvanisch und/oder elektrisch nichtleitenden Wandung (10w) des Oberteiles (10mo) mit mindestens zwei darin dauerhaft befestigten Wandrundsteckverbindern (20w) gleichen und /oder komplementären Typs (horizontales Rundsteckverbinderpaar 20wps, 20phk, 20phn). Sie dient zur galvanisch und/oder elektrisch möglichst niederohmigen, Steckverbindergehäuse-(20g-)basierten Verbindung der Kabelschirme (5m) mehrerer, an diese Wandrundsteckverbinder (20w) anschließbaren und verriegelbaren Kabelrundsteckverbinder (20k, 20kb 20ks) bzw. Rundsteckverbinderkabel (5, 5b, 5s). Das Slavegerät 1 weist außerdem eine vertikale, durch den Innenraum des Gerätes (1) geführten Potenzialausgleichsleiters (6v) auf. Dieser hat mit mehrere vertikale Potenzialausgleichsleiterstücken (6vs) zwischen dem untersten Potenzialausgleichsleiterstück (6vs) auf bzw. in Form der Unterseite des metallischen Unterteiles (10mu) des Gerätes (1), vzw. einem Hilfselement (8), insbesondere einem Rastklemmteil (8), und dem obersten vertikalen Potenzialausgleichsleiterstück (6vs) des Gerätes (1) auf der Außenseite der Wandung (10). Dieses ist mit einem der horizontalen Potenzialausgleichsleiterstücke (6hs) identisch.

A second variant relates to an Industrial Ethernet device (1) for the evaluation / processing of the measurement or control signals of a device (1) internal or - external, vzw. -external sensor and/or actuator. This is designed as follows:

• The device 1 has a horizontal potential equalization line (6h) with a plurality of device (1)-side potential equalization conductor pieces 6hs) of a cable shield loop-through unit (2).
• This runs on the outside of a galvanically and/or electrically non-conductive wall (10w) of the upper part (10mo) with at least two wall circular connectors (20w) of the same and/or complementary type (horizontal circular connector pair 20wps, 20phk, 20phn) permanently fastened therein. It is used for the galvanically and/or electrically as low-impedance as possible, connector housing (20g)-based connection of the cable shields (5m) of several circular cable connectors (20k, 20kb, 20ks) or circular connector cables (5, 5b, 5s) that can be connected and locked to this circular wall connector (20w). The slave device 1 also has a vertical equipotential bonding conductor (6v) routed through the interior of the device (1). This has several vertical potential equalization conductor pieces (6vs) between the bottom potential equalization conductor piece (6vs) on or in the form of the underside of the metallic lower part (10mu) of the device (1), vzw. an auxiliary element (8), in particular a locking clamp part (8), and the uppermost vertical equipotential bonding conductor piece (6vs) of the device (1) on the outside of the wall (10). This is identical to one of the horizontal equipotential bonding conductors (6hs).

1. a) genau zwei Kontaktaugen (15a) für konzentrisch zu den Kontaktaugen (15a) anordbaren bzw. angeordneten Steckverbindern (20, 20w, 20wb, 20ws, 20k, 20ks, 20kb) aufweist,
2. b) Sie ist zwischen zwei Kontaktaugen abgewinkelt, so dass das eine Kontaktauge (15a) des einen Flügels im auf ein galvanisch/elektrisch nichtleitendes Wandelement (10) montierten Zustand in gewissem Abstand beabstandet zu der im Wandelement (10) befestigten und konzentrisch angeordneten Rundsteckerbuchse (20wb) liegt. So kann nur unter Anwendung von Federkraft der Gegenrundsteckverbinder (Kabelstecker 20ks) mit dieser Rundsteckerbuchse (20wb) verschraubt und fixiert werden, wobei dann der Gegenrundsteckverbinder vor allem über die galvanisch/elektrisch leitfähige, Kabelschirm-(Sm-)kontaktierte Unterseite (20kgsu) die verhältnismäßig große, leitfähige Oberseite des Kontaktauges (15a) kontaktiert.

With regard to the contact options and low resistance, it is favorable to use a strip-like contact eye spring (15) or contact leaf spring (15) as a horizontal potential equalization element (6hs) of a horizontal potential equalization line (6h). It is used for the galvanically and/or electrically as low-impedance as possible cable shield (5m) connection of a connecting device (2) and/or an electronic device (1) with two circular connector cables (5, 5b, 5s) that can be connected by means of circular cable connectors (20k, 20kb, 20ks), whose cable shields (Sm-) carry potential via the galvanically/electrically conductive and shielding cable shields (5m). the housing parts (20g, 20kg, 20kgs) to their mating round plugs in the form of two wall round plug connectors (20w, 20ws, 20wb) connected and fixed circular cable connector (20k, 20kb, 20ks) and this contact eye spring (15) can be connected. The contact eye spring (15) has

1. a) has exactly two contact eyes (15a) for plug connectors (20, 20w, 20wb, 20ws, 20k, 20ks, 20kb) that can be arranged or are arranged concentrically to the contact eyes (15a),
2. b) It is angled between two contact eyes, so that one contact eye (15a) of one wing when mounted on a galvanically/electrically non-conductive wall element (10) is at a certain distance from the concentrically arranged round plug socket (20wb) fixed in the wall element (10). The mating circular connector (cable plug 20ks) can only be screwed and fixed to this circular socket (20wb) using spring force, with the mating circular connector then contacting the relatively large, conductive upper side of the contact eye (15a) primarily via the galvanically/electrically conductive, cable shield (Sm)-contacted underside (20kgsu).

Another is: The device (1) has a vertical potential equalization conductor (6v) routed through the interior of the device (1) with several vertical potential equalization conductor pieces (6vs) between the lowest potential equalization conductor piece (6vs) on the underside of the metal base (10mu) of the device (1) and the top potential equalization conductor piece (6vs) on the outside of the galvanically and/or electrically insulating wall (10) of the upper part (10mo) of the device (1). The uppermost equipotential bonding conductor piece (6vs) is a cable shield (5m) contactable or contacted, metallic housing part (20wg, 20wgd) of at least one wall plug connector (20w, 20s, 20wb) fastened in or on the wall (10w), vzw. round wall connector (20ws). This is also a feed-through connector and is galvanically and/or electrically connected to the underside of a printed circuit board (31) fixed in the interior, which is also a potential equalization conductor piece (6vs). The galvanically and/or electrically as low-impedance as possible cable shield (Sm) connection of this housing part (20wg, 20wsg) with the cable shield (5m) contacted housing part (20kg, 20kgd) of a shielding cable connector (20k) of a connector cable (5) can be reached or achieved by inserting and fixing/screwing the mating connector (connector cable 5). The bottom piece of the equipotential bonding conductor (6vs) is the underside of the lower part (10mu) of the device (1). At least one contact element (12, 12k, 12f) is arranged as a potential equalization conductor piece (6vs) between the printed circuit board (31) and the upper side of the lower part (10mu). One of which is a vertically resilient contact element (12f), which is soldered to the printed circuit board (31) and resilient directly, vzw. indirectly, on the upper side of the lower part galvanically and/or electrically with as little resistance as possible and thus contacted the upper side of the lower part (10mu) and thus also its lower side accordingly.

Another variant is: the device (1) and/or slave device (1) has an auxiliary element 8 fixed on the underside, vzw. a one-piece locking clamp part (8), and / or exactly two vertically stacked contact elements (12, 12k, 12f), one of which is a vertically resilient contact element (12f), vzw. a multi-part contact spring pin, (12f), the / with the circuit board (31) is soldered and resilient directly, vzw. indirectly by means of a clamping or locking washer (12k; second contact element 12) and base (10mu) pin (12muzo) on the upper side of the base galvanically and/or electrically contacted with as low a resistance as possible. The clamping or locking washer 12k is primarily used in the case of a galvanically and/or electrically poorly conductive or non-conductive upper side of the lower part (10mu) and is galvanically and/or electrically conductively pressed and/or screwed onto the pin (10muz) of the lower part (10mu). Optionally, a filter unit, not shown, is looped in or switched on electrically in series in the vertical potential equalization line (6v) for filtering the currents flowing via this vertical potential equalization line (6v) in terms of frequency, which is arranged in the device (1), vzw. on the single circuit board (31) of the device (1), so that the device can be built flat.

The locking clamp part (8) can be pressed and fixed/clamped onto at least two to four metallic, cable shield (5m) contactable metallic pins (10muz) on the underside of the galvanically and/or electrically conductive housing 10 of the device (1) by means of corresponding openings adapted to the pins, preferably self-locking and/or captive. It has at least two horizontally opposite and horizontally resilient clamps for snapping onto the mounting rail (7h), with both pressing on and snapping on and snapping on at the same time making the galvanic and/or electrical contact with the lowest possible resistance, both between each pin (10muz) and the corresponding opening area of the two to four openings and between the clamps and the corresponding fixing area of the mounting rail (7h).

One variant is as follows: the latching clamping part has exactly three or four such openings. These are vzw for mechanically particularly stable fixation. at the corners of a regular gene polygons and / or an approximately square rectangle, in particular an exact square arranged whose circumference is at least one third, vzw. is at least half the circumference of the latching clamping part (8) in the horizontal projection plane. Alternatively or additionally, all openings are round and conical, with the length of the cone being at least twice the sheet thickness in the non-formed area.

A variant is as follows: The locking clamp part (8) has a resilient sheet metal tongue in each non-circular opening, the vzw. are present in pairs and arranged opposite one another. The distance when not snapped onto the peg (10muz) is smaller than the peg (10muz) diameter, so that a good galvanic and mechanically stable, vibration-proof contact can be made by snapping on.

A connecting device unit 3 according to the invention with a device (1) or slave device (1) has at least two said shielded (5m, 20kg) connector cables (plug cable (Ss and/or socket cable 5b), whereby its device (1)/slave (1) side connector (cable connector 20s or cable socket 20kb) is connected to the corresponding mating circular connector (wall socket 20wb or wall plug 20ws) and are fixed.

Another variant is: It is a vzw. one-piece or two-piece contact spring (15) available as horizontal equipotential bonding element (6hs). It is part of a horizontal cable screen (5m) connection unit (2) with a horizontal equipotential bonding conductor (6h) arranged on the galvanically and/or electrically insulating wall 10. It is designed in such a way that several cable shields (5m) of the cable connectors (20k, 20ks, 20kb) plugged into the wall connectors (20w, 20ws, 20wb) of several connector cables (5) are horizontally connected galvanically and/or electrically with as little resistance as possible, while at the same time they can be contacted with a grounded DIN rail.

A further variant of the invention relates to a band-like contact eye spring (15) or

1. a) Genau drei Kontaktaugen (15a) für konzentrisch zu den Kontaktaugen (15a) anordbaren bzw. angeordneten Steckverbindern (20, 20w, 20wb, 20ws, 20k, 20ks, 20kb).
2. b) Zwischen jeweils zwei benachbarten Kontaktaugen (15a) ist sie abgewinkelt ist, so dass das eine Kontaktauge (15a) des einen Flügels bzw. das andere Kontaktauge (15a) des anderen

Contact leaf spring (15) with three main contact eyes (15a) as a horizontal potential equalization element (6hs) of a horizontal potential equalization line (6h) for galvanically and/or electrically connecting a cable shield (5m) with the lowest possible resistance (5m) of a connecting device (2) and/or an electronic device (1) with two to three circular connector cables (5, 5b, 5s) that can be connected by means of circular cable connectors (20k, 20kb, 20ks), the en cable shields (5m-) via the galvanically/electrically conductive and shielding, cable shields (5m-) potential-carrying housing parts (20g, 20kg, 20kgs) of their circular cable connectors (20k, 20kb, 20ks) connected and fixed to their mating circular connectors in the form of two or three circular wall connectors (20w, 20ws, 20wb) and this contact spring (1 5) are connectable. The contact eye spring (15) has:

1. a) Exactly three contact eyes (15a) for connectors (20, 20w, 20wb, 20ws, 20k, 20ks, 20kb) that can be or are arranged concentrically to the contact eyes (15a).
2. b) It is angled between each two adjacent contact eyes (15a), so that one contact eye (15a) of one wing or the other contact eye (15a) of the other

When mounted on a galvanically/electrically non-conductive wall element (10), the wing lies at a certain distance from the round plug socket (20wb) which is fastened and arranged concentrically in the wall element (10). As a result, the mating round plug connector (cable plug 20ks) can only be screwed to this round plug socket (20wb) using spring force and can be fixed accordingly. The mating circular connector can be contacted primarily via the galvanically/electrically conductive underside (20kgsu) with cable shield (5m) contact with the relatively large, conductive top side of this and7or the other contact eye (15a), which is particularly useful for the effective discharge of interfering LF and HF currents.

The contact eye spring (15), which can only be deflected vertically, is made of spring steel with regard to optimal contact and spring properties, with highly conductive and corrosion-resistant coatings being advantageous.

1. a) eine Kontaktaugenfeder (15),
2. b) eine Wandrundsteckerbuchse (20wb) und
3. c) einen Wandrundstecker (20ws)

auf der Außenseite der galvanisch und/oder elektrisch nichtleitenden Wandung (10w) des Gehäuses (10) eines elektronischen Gerätes (1). Es besonders als Feldbus-Slave (1) oder Industrial-Ethernet-Auswertegerät (1) für sensor- und Aktorsignale vorteilhaft anwendbar. Die Potenzialausgleichsleitung (6h) und die Vorrichtung (2) dient zur möglichst niederohmigen galvanischen Verbindung der Kabelschirme (Sm) von zwei oder drei an diese Wandrundsteckerbuchse (20wb) und an diesen Wandrundstecker (20ws) anschließ- und befestigbaren, geschirmten (5m), zueinander komplementären, mehradrigen Rundsteckverbinderkabeln, die ein komplementäres und/oder nichtkomplementäres Paar (Sphk, Sphn, 20whn, 20whk).Has a device (2) for cable screen (5m) connection by means of a multi-piece (6hs) horizontal equipotential bonding line (6h).

1. a) a contact eye spring (15),
2. b) a wall socket (20wb) and
3. c) a round wall plug (20ws)

on the outside of the galvanically and/or electrically non-conductive wall (10w) of the housing (10) of an electronic device (1). It can be used particularly advantageously as a fieldbus slave (1) or Industrial Ethernet evaluation device (1) for sensor and actuator signals. The equipotential bonding line (6h) and the device (2) is used for the lowest possible moderate galvanic connection of the cable shields (Sm) of two or three to this round wall plug socket (20wb) and to this round wall plug (20ws) connectable and attachable, screened (5m), mutually complementary, multi-core round plug connector cables, which have a complementary and/or non-complementary pair (Sphk, Sphn, 20whn, 20whk).

Reference List

1

Electronic or electrical device, vzw. as an evaluation, sensor or actuator device of an Industrial Ethernet-based system or in the form of an evaluation/control device as a slave or slave device of an industrial, data-serial working master-slave system of a field bus, in particular Profibus, Profinet or EtherCat slaves for a) the evaluation of the measurement signals of a device-1 internal or external, vzw. Device-1-external sensor or sensor device, in particular RFID sensor or sensor device, and/or b) a vzw. Device-1-external actuator for its control/regulation, wherein the electrically insulating plastic upper part 10mo of the device 1 has at least one wall (round) socket 20wb attached or integrated in this upper part 10mo and one wall (round) plug 20ws as a fieldbus connection (preferably separate input and output) (horizontal complementary (round) connector pair 20whk), to which two correspondingly complementary cables ( round) connectors 20k can be connected (horizontal complementary cable (round) connector pair 20khk), vzw. M8 or M12 cable (round) connector 20k

2

Cable screen (Sm) connecting device with or as a horizontal potential equalization line 6h with several horizontal potential equalization pieces 6hs for the low-impedance galvanic and/or electrical connection of the cable shields Sm of two or three connected or connectable complementary (round) connector cables 5r

3

Connecting device unit with a device 1 and/or a connecting device 2 with at least one horizontal and/or vertical equipotential bonding conductor 6, 6h, 6v with one, two or three associated, connected, shielded (round) connector cables 5 each with a device-1-side cable (round) connector 20k plugged into the corresponding wall (round) connector 20w of the galvanically and/or electrically non-conductive wall 10w and fixed in place and/or complementary type (cable (round) plug 20ks or cable (round) socket 20kb)

5

Multi-core, shielded electrical cable, in the form of a (round) connector cable 5 ((round) plug cable 5s or (round) socket cable 5b) with a device 1 or slave 1 or device 2-sided shielded cable plug 20ks or a device 1 or slave 1 or device 2-sided shielded cable socket 20kb, vzw. with a braided cable screen 5m, which surrounds the cores, vzw. Fieldbus (round) connector cable 5 to vzw. Double (input and output) (round) connector 20 connection of a slave 1 to a data-serial master-slave field bus or programming cable for programming the device 1, the cable shield 5m of at least one such (round) connector cable 5 by means of a horizontal potential equalization conductor 6h (loop-through unit) with several horizontal potential equalization conductor pieces 6hs, which includes a contact leaf spring 15, with the cable shield 5m of another (round) connector cable 5 is electrically and / or electrically connected or connected, and / or the cable shield 5m at least one such (round) connector cable 5 by means of a vertical potential equalization conductor 6v with several vertical potential equalization conductor pieces 6vs, the vzw. comprises a galvanically and/or electrically conductive lower housing part 10mu and a printed circuit board 31, can be or is connected galvanically and/or electrically

5b

Shielded (round) socket cable with a shielded (round) socket 20kb, vzw. a) shielded field bus (round) socket cable 5b to vzw. double (input and output) (round) connector 5 connection of a slave 1 to a data serial master-slave fieldbus or b) shielded programming (round) socket cable 5b for programming the device 1

5p

(Circular) connector cable pair made of shielded (circular) connectors 5, the two cable shields of which are to be connected galvanically and/or electrically externally via parts of the device 1 or "looped through" 5m with as low resistance as possible without conventional "cushion"; vzw. for connecting the device 1 to a fieldbus; vzw. the cable shield 5m with regard to the associated cable (round) socket 20kb of the (round) socket cable 5b and/or the other cable shield 5m with regard to the associated cable (round) plug 20ks of the (round) plug cable 5s can be switched on and off manually (by switching option on the (round) connector 20, e.g. according to the 1 and 2 , which can be advantageous in particular in the case of a fieldbus for testing, adjustment and/or operational purposes, because then the grounding E of the device 1 grounded on one side or of the slave 1 can be rendered ineffective)

5pk

Shielded, complementary (round) connector cable pair consisting of a shielded (round) socket cable 5b and a (round) plug cable 5s, the cable shields of which are 5m galvanically and/or electrically connected when connected to device 1 (low-impedance as possible)

5phk

Complementary horizontal (round) connector cable pair consisting of two shielded (round) connector cables 5s, the first (round) connector cable 5s having a device 1 or slave 1 or device 2-sided cable (round) connector 20ks and the second (round) connector cable 5s having a device 1 or slave 1 or device 2-sided cable (round) connector socket 20kb, and vzw. whose two cable shields 5m are galvanically and/or electrically connected (as low-impedance as possible) when connected (and locked) to device 1 or to slave 1 or to device 2

5phn

Non-complementary, horizontal (round) connector cable pair consisting of two shielded (round) connector cables 5s each with a device 1 or slave 1 or device 2-sided cable (round) plug connector 20k (20ks, 20kb) whose cable shields 5m are galvanically and/or electrically connected (as low as possible) when connected to device 1 or device 2 (and locked)

5pn

Non-complementary (round) connector cable pair consisting of two shielded (round) connector cables 5s, whose cable shields 5m are galvanically and/or electrically connected (if possible with low resistance) when connected to the device1 in a fixed (and preferably locked) state.

5pvk

Vertical, complementary (round) connector cable pair, either a) a (round) plug cable 5s with a cable (round) plug 20ks and a wall (round) plug 20wb or b) a (round) plug socket cable with a (round) plug socket 20kb and a wall (round) plug 20ws

5 m

Cable shield (or flat shield line) of the multi-wire electrical (fieldbus or programming) (round) connector cable 5,

5s

Shielded (round) connector cable with a shielded/shielded cable (round) plug 20ks

6

Multi-part equipotential bonding conductor, either a) for vertical 6v equipotential bonding between cable shield and equipment carrying earth potential or ground or functional earth, e.g. rail or plate, vzw. Mounting, DIN or top hat rail 7h, the equipotential bonding conductor vzw. about the interior of the vzw. device 1 connected to a fieldbus, and/or b) for the horizontal potential equalization 6h between the cable shields 5m and shielding housing parts of a complementary and/or non-complementary, horizontal, shielded (round) connector cable pair 5phk, 5phn by means of the horizontal potential equalization conductor 6h with corresponding horizontal potential equalization conductor pieces 6hs, which at least have the contact leaf spring 15 and galvanically and/or electrically conductive housing parts of at least two vertical, complementary (round) connector cable pairs 5pvk with two or three horizontal, wall (round) connectors 20w (1-2 wall (round) sockets 20wb and one or no wall (round) plug 20ws

6h

Horizontal, multi-part equipotential bonding conductor in the form of a cable screen loop-through unit or cable screen 5m connection device 2 or connection device unit 3 (see 6)

6hs

Horizontal equipotential bonding conductor section as part of the horizontal, multi-part equipotential bonding conductor 6h

6v

Vertical multi-part equipotential bonding conductor 6, for vertical equipotential bonding (see 6)

6vs

Vertical equipotential bonding conductor section as part of the vertical multi-part equipotential bonding conductor 6v

6s

Potential equalization conductor section as part of the potential equalization conductor 6

7

Ground potential E or ground M or functional earth FE leading device, e.g. rail or plate, vzw. Mounting, DIN or top-hat rail 7h on which the device 1 can be fastened and with the contact surface of the underside of its lower part 10mu or the contact surface of which can be electrically and/or electrically contacted, vzw. indirectly by means of an auxiliary element 8, vzw. locking clamp part 8

7h

Support rail, DIN rail or hat rail

8th

Auxiliary element on the underside of the lower part 10mu for fastening the device 1 and as a potential equalization conductor piece 6vs of a vertical potential equalization conductor 6v, vzw. Locking clamp part, which is in particular formed in one piece and/or as a sheet metal part

10

Housing of the electronic device 1 (slave device), vzw. cuboid and essentially in two parts (10mu, 1omo), which has a galvanically and/or electrically non-conductive wall 10

10m

Multi-part, essentially two-part, vzw. cuboid housing 10 of the device 1, which consists of the electrically insulating upper part 10mo, vzw. Made of plastic, and the electrically and thermally conductive, vzw. metallic lower part 10mu consists, both of which are connected to each other, vzw. detachable and hermetically sealed or moisture-proof, and vzw. enclose only a single printed circuit board 31, which is advantageously aligned parallel to the upper part 10mo and fixed in it

10mo

Upper housing part, which has a galvanically and / or electrically non-conductive wall 10, vzw. electrically insulating, solid, made of plastic and/or in one piece and/or as an injection molded part

10moz

Mandrel or pin on the upper side of the lower part 10mu for galvanic and/or electrical contacting with the lowest possible resistance and secure fastening with a clamping or locking washer 12k

10mu

Lower part of the housing 10 as a vertical potential equalization conductor section 6vs made of a galvanically and/or electrically conductive material that is as good as possible, especially of metal or a metal alloy, vzw. made of an aluminum alloy, and vzw. is provided with a coating, in particular with a powder coating, a varnish or an anodizing, for optical and/or corrosion protection reasons, which is galvanically and/or electrically less conductive than the lower housing part 10mu, possibly also galvanically and/or electrically non-conductive; The lower housing part 10mu, which has on its underside a galvanically and/or electrically conductive area and/or a plurality of pins 10muz that can be contacted galvanically and/or electrically with as little resistance as possible by snapping on, is advantageously by means of an auxiliary element 8, esp. self-locking and one-piece locking clamp part 8 on a ground potential or ground or functional earth leading device, e.g. rail or plate, vzw. Mounting, DIN or top-hat rail 7h, mechanically and galvanically and/or electrically easily and securely fastened and contacted.

10muz

Mandrel or pin on the underside of the lower part 10mu, vzw. formed integrally with this, as a vertical potential equalization conductor piece 6vs for the galvanic and / or electrical contact by means of an auxiliary element 8, esp. self-locking and one-piece latching clamp part 8, whereby a mechanically as simple and secure attachment as possible to a ground potential or ground or functional earth leading device, e.g. rail or plate, vzw. carrier, DIN or top-hat rail 7h can be reached or has been reached

10muzo

Mandrel or pin on the top of the lower part 10mu, vzw. formed in one piece with this, as a vertical potential equalization conductor piece 6vs for galvanic and/or electrical contacting by means of an auxiliary element 8o, esp. self-locking and one-piece Kiontaktscheibe 12k, vzw. one-piece, metallic clamping or locking washer 12k, whereby a mechanically simple and secure attachment on the lower part 10mu or its pin 10muzo can be achieved or is achieved

10w

Galvanically and / or electrically non-conductive wall of the housing 10 of the device 1, vzw. Plastic wall, in which one or more wall (round) plug connectors 20w are installed as through round plug connectors

12

Galvanically and/or electrically conductive contact element as a vertical equipotential bonding conductor section 6vs; vzw. designed and used as a spring contact element and/or as a clamping or securing disk 12k; vzw. either a) only one or more spring contact elements 12f are arranged between the cable shield-5m portable/supporting conductor area of the printed circuit board 31 and the galvanically and/or electrically well-conducting upper side or b) clamping or locking disk 12k with arranged above and galvanically and/or electrically connected/soldered to the printed circuit board, vzw. integral spring contact element 12f combined; the clamping or locking washer 12k is used in the case of a galvanically and/or electrically poorly or non-conductive upper side of the lower part 10mu and is galvanically and/or electrically conductively pressed and/or screwed onto the pin 10muz of the lower part 10mu

12f

At least in the vertical direction resilient contact spring element as a potential equalization conductor piece 6vs of the vertical potential equalization conductor 6v, which is firmly connected to the printed circuit board 31 and galvanically and/or electrically connected to the cable shield 5m, vzw. is soldered in a through hole of the circuit board 31 and/or on the underside of the circuit board 31; so that it is in the assembled state of the device, the top of the lower part 10mu directly galvanically and / or electrically contacted or vzw. indirectly by means of a clamping or locking washer 12k; The contact spring element 12f is advantageously vzw as. one-piece contact spring 12f or as a multi-part, metallized or metal contact spring pin 12f soldered or galvanically and/or electrically connected to the printed circuit board 31, which makes vertical-resilient galvanic and/or electrical contact with the upper side of the clamping or securing disk 12k

12k

Galvanically and/or electrically conductive contact disk, vzw. All-metal, one-piece and self-locking clamping or locking washer, as a vertical potential equalization conductor piece 6vs of the vertical potential equalization conductor 6v, which is pressed or attached to the mandrel or pin 10moz on the top of the lower part 10mu, which on the one hand establishes the galvanic and/or electrical contact with the lower part 10mu, the vzw. is galvanically and/or electrically insulating on the upper side or the outer surfaces, e.g. by (powder) coating or painting, as well as with the spring contact element 12 arranged vertically above it, in particular contact spring 12 or contact pin 12 (which presses resiliently on the upper side of this contact disk 12k), whereby a galvanically and/or electrically low-impedance, vertical connection is established between these components, and in the operating state (with at least one connected (R and) connector cable) thus its cable shield 5m to the ground M or earth potential E or functional earth FE of the device 7, e.g. rail or plate, vzw. Support, DIN or top-hat rail 7h, galvanically and/or electrically connected

15

curved, vzw. between the contact eyes 15a angled contact eye spring or contact leaf spring with at least two contact eyes, the vzw. is one or two pieces, with the part that is provided for the round connector cable, the cable shields 5m with the help of this contact eye spring 15 are galvanically / electrically as low as possible to be connected or connected, vzw. is formed in one piece and consists of thin spring steel or spring steel sheet

15a

Contact eye with at least one contact area, vzw. Circular, for galvanic and/or electrical contacting of the contact leaf spring 15 with at least one housing/housing part of a (round) plug connector 20 carrying cable shield 5 m potential

15b

Fastening eye or main fastening eye for mechanical, permanent, cable connector 20k-independent attachment of the contact leaf spring 15 on the top/outside of the wall 10w of the housing 10 or upper part 10mo of the device 1 and/or for mechanical, permanent, cable connector 20k-independent attachment of the contact leaf spring 15 on the externally threaded sleeve 20wsg of the wall (round) plug 20w,

20

Connector (SV), vzw. Round connector (RSV), for attachment to the complementary counter (round) connector in the form of a wall (round) connector 20w or cable (round) connector 20k, 20evk

20g

Galvanically and/or electrically conductive, metallic and/or metallized housing or housing part of the (round) connector 20, vzw. Galvanically and/or electrically conductive externally threaded sleeve fixed in the wall 10w or threaded sleeve or union nut that can be rotated and displaced longitudinally

20k

Cable (round) plug connector as a device 1 or device 2-sided end of a shielded cable with a shielded (round) plug connector RSV, 20 or two (round) plug connectors 20 of the same or different type: plug+socket, plug+plug or socket+socket, whereby the cable (round) plug connector 20k has at least one cable shield 5m potential-carrying, galvanically and/or electrically shielded or shield has ends housing part 20g, vzw. a threaded sleeve 20g that can be rotated and moved along the longitudinal axis to a limited extent (for the 20ks circular cable connector) and a 20g shielding cap nut (for the 20kb circular cable connector socket)

20kb

Cable (round) socket as part of a (round) socket cable 5b, vzw. in threaded sleeve design, so that the shield conductor connection between circular cable connector 20k and its complementary part, the (circular) connector 20 of device 1 or its upper part 10mo, can be produced via its longitudinally axial and rotatable metallic part or threaded sleeve

20kbg

Housing of the cable (round) socket 20kb, vzw. in a threaded sleeve design, so that the shield conductor connection between the circular cable connector 20k and its complementary part, the circular connector 20 of the device 1 or its upper part 10mo, can be produced via its metallic part that can be rotated and moved longitudinally

20kg

Shield conductor housing or housing part of the (round) cable connector 20k (cap nut for the (round) cable connector socket 20kb and manually rotatable externally threaded sleeve 20kgd with contact ring and lower contact surface 20kgsu for the (round) cable connector 20ks), which is galvanically and/or electrically connected to the cable shield 15m of the (round) connector cable 5 and via its manually rotatable metal part (cap nut or externally threaded sleeve with contact ring, the shield conductor connection between the circular cable connector 20k and its complementary part, the circular connector 20 in the wall 10w of the device 1 or its upper part 10mo can be produced

20kgd

manually rotatable shielding conductor housing or housing part, vzw. Externally threaded sleeve with an enlarged diameter area with a lower contact surface 20kgsu for the contact eye spring 15 contact and can act as a vertical and/or horizontal equipotential bonding element 6vs, 6hs

20ks

Cable (round) plug as mating connector for the wall (round) socket 20wb

20kgsu

Lower contact surface 20kgsu for the contact eye spring 15 contact as part of the potential equalization conductor element 6s, 6hs, 6vs in the form of the manually rotatable externally threaded sleeve 20kgd for the connector 20 or circular connector cable 5s fixation

20khk

Horizontal, complementary cable (round) connector pair; Counterpart to the horizontal, complementary wall (round) plug pair 20whk, vzw. for the fieldbus connection (preferably separate input and output with two circular connectors)

20khn

Horizontal non-complementary cable (round) connector pair; Counterpart to the horizontal, non-complementary wall (round) plug pair 20whn, vzw. for the fieldbus connection

20kg

Housing of the (fieldbus) circular cable connector 20ks of the (fieldbus or programming) (circular) connector cable 5ks, the housing 20ksg being galvanically and/or electrically conductive and being galvanically and/or electrically connected to the cable shield 5m and/or

20ksgu

Galvanically and/or electrically conductive, cable shield-5m-contacted underside of the bead or the enlarged-diameter area of the externally threaded sleeve 20ksg for primarily vertical galvanic and/or electrical, low-impedance, spring-based contacting of the top of the annular, vzw. flat contact area of the contact eye 15a, which in the screwed and fixed state of the complementary, vertical circular connector pair 20pvk is essentially coaxial and with the largest possible contacting surface between the circular wall connector socket 20wb and the circular cable connector 20ws

20ph

Horizontal (round) connector pair

20phk

Complementary, i.e. non-similar, horizontal, vzw. shielded and fieldbus connection-suitable (round) connector pair with two mutually complementary (round) connectors 20 on the same level that both in the housing 10, vzw. as a fieldbus input/output (prev. separate input and output), as well as a counter (circular) connector pair in the form of a horizontal complementary, prev. Fieldbus connection-relevant cable (round) connector pair of a connector cable SK pair is present: 1) On the device 1 side consisting of: a) a wall (round) plug 20ws, whose galvanically and/or electrically conductive housing parts 20g, which carry the cable shield Sm potential in operation, in the form of an immovable externally threaded sleeve fastened in the wall 10w of the housing 10 of the device 1 and b ) a corresponding wall (round) socket 20wb of complementary type (wall (round) plug 20ws or wall (round) socket 20wb) 2) On the (round) connector cable 20k side consisting of: a) a cable (round) plug 20ks of (round) plug cable 5ks and b) a cable (round) socket 20kb of (round) socket cable 5kb

20phn

Non-complementary horizontal, vzw. Fieldbus connection-suitable (round) plug connector pair 20ph with two mutually non-complementary,

20pvk

shielded (round) connectors 20 of the same type in one plane, i.e. 1) non-complementary wall (round) plug pair 20whk with two wall (round) sockets 20w, 20whn in the galvanically and/or electrically non-conductive wall 10w of the housing 10, vzw. in the galvanically and/or electrically non-conductive housing upper part of the multi-part housing 10m of the device 1, 2) non-complementary horizontal cable (round) plug pair 20khn with two shielded cable (round) plugs 20ks as device-1- or device-2-sided part of a non-complementary horizontal (round) plug-in cable pair 5phn Complementary vertical, vzw. Fieldbus connection-suitable (round) connector pair with two mutually complementary, shielded (round) connectors 20, i.e. a (round) connector 20 in the galvanically and/or electrically non-conductive wall 10w of the housing 10, vzw. in the galvanically and/or electrically non-conductive upper part of the housing of the device 1, and the matching mating (round) connector as a shielded cable (round) connector 20k of a complementary, vertical (round connector pair 5pvk; i.e. the pair consists of a wall (round) connector 20w (wall round connector socket 20wb or wall (round) plug 20ws) and a corresponding cable (round) 20k connector of complementary type (cable (round) plug 20ks or cable (round) socket 20kb)

20w

Wall (circular) connector: as a special (circular) connector 20 in the galvanically and / or electrically non-conductive area of the housing 10, vzw. is installed in the galvanically and/or electrically non-conductive wall of the upper part 10mo of a multi-part housing 10

20wb

Wall (round) socket as a wall (round) plug connector 20w built into the galvanically and/or electrically non-conductive wall 10w or the galvanically and/or electrically non-conductive upper part 10mo or housing 10 with an internally threaded sleeve for a mating (round) plug connector in the form of a (fieldbus) cable round plug 20ks as a complementary mating (round) plug connector, whereby vzw. the internally threaded sleeve is galvanically and/or electrically non-conductive and, together with the remaining galvanically and/or electrically non-conductive housing of the wall (round) socket 20wb, is formed in one piece with the wall 10w or with the upper part 10mo or housing 10

20wk

Complementary wall (round) plug connector pair of plug 20ws and socket 20wb in housing 10, vzw. in the galvanically and/or electrically insulating plastic upper part 10mo of a multi-part housing; Counterpart to the horizontal, complementary cable (round) plug connector pair for the fieldbus connection

20wn

Non-complementary horizontal wall (round) socket-20wb pair in the galvanically and/or electrically non-conductive wall 10w of the housing 10, vzw. in the galvanically and/or electrically insulating plastic upper part 10mo of a multi-part housing 10m; Counterpart to the horizontal, non-complementary cable (round) plug pair 20khn, vzw. for the fieldbus connection (preferably separate input and output)

20wk

Complementary wall (round) plug connector (the wall (round) plug socket 20wb is complementary to the wall (round) plug 20ws and vice versa)

20 ws

(Round) wall plug, which is fastened in the upper part 10mo as a through (round) plug connector, with at least one forming the mating round plug connector that can be contacted with the cable shield for the round cable plug connector 20k (round cable plug 20ks) of the shielded fieldbus cable; He is vzw as a round wall plug. Essentially designed in two parts, with the externally threaded sleeve 20g, 20wsg being galvanically and/or electrically conductive and being able to make contact with the cable shield 5m by plug connector connection and fixing is fixed in the wall 10w and the "rest" on the printed circuit board 31, with this wall (round) plug 20ws as a vertical part of the vertical potential equalization conductor 6v consisting of one or vertical potential equalization conductor pieces 6vs and thus a conductive part or structure Units such as the optional filter unit that can be switched on or switched on in series for frequency filtering and/or influencing the equalizing currents can be contacted with a 5m cable shield

20 wsg

Galvanically and/or electrically conductive housing or housing part of the (round) wall plug 20ws, which is galvanically and/or electrically connected to its cable shield 5m when the mating (round) plug (socket cable 5b) is plugged in and fixed, vzw. metallic outer threaded sleeve 20wsg, the vzw. is fixed solely in the wall 10w and can act as a vertical and/or horizontal equipotential bonding element 6vs, 6hs, while the rest of the (round) wall plug 20ws is fixed on the printed circuit board 31 and soldered in such a way that the printed circuit board is also contacted with cable shielding 5m by means of at least one vertical equipotential bonding conductor piece 6vs in/on this (round) wall plug 20ws

30

Electrically insulating heat-conducting plate, which is in thermally conductive contact between the underside of the printed circuit board 31 and the top of the lower part (10mu) and ensures improved heat dissipation of the printed circuit board 31 through increased heat transport to the metallic lower part 10mu, the vzw. is massively formed

31

Circuit board with electronic components / components, vzw. the only circuit board in the device 1, which acts or can act as an equipotential bonding conductor piece 6vs of the vertical equipotential bonding conductor 6v and vzw. having an (adjustable/controllable) filter unit, which is also provided as a vertical equipotential bonding piece 6vs, so that the equalizing currents possibly flowing in one direction or the other can be filtered according to certain criteria, so that in particular the EMC resistance of the device 1 or the system (fieldbus) connected to it can be improved

E

ground potential

FE

functional earth (potential)

M

Mass (potential) as a collective term for various terms such as functional earth, earth, etc.

RSV

circular connector

SV

connector

Claims (5)

Fieldbus slave device (1) with a) a horizontal potential equalization line (6h) running on the outside of a galvanically and/or electrically non-conductive wall (10w) of an upper part (10mo) of the fieldbus device (1) with at least two round wall plug connectors (20w) of the same and/or complementary type (20wps, 20phk, 20phn) permanently fastened therein, with several potential equalization conductor pieces attached to the device (1). (6hs) a cable shield loop-through unit (2) for the galvanically and/or electrically low-impedance connector housing (20g) based connection of several cable shields (5m), circular cable connectors (20k, 20kb, 20ks) that can be connected and locked to these circular wall connectors (20w) with circular connector cables (5, 5b, 5s), b) a vertical one through the interior of the panel bus device (1) routed potential equalization conductor (6v) with several vertical potential equalization conductor sections (6vs), of which a lowermost vertical potential equalization conductor section (6vs) is on the underside of a metallic lower part (10mu) of the fieldbus device (1), and of this a top vertical potential equalization conductor section (6vs) which is connected to one of the horizontal potential equalization conductor sections (6hs). Fieldbus slave device (1) after claim 1 with a band-like contact eye spring (15) as a horizontal potential equalization element (6hs) of the horizontal potential equalization line (6h). Fieldbus slave device (1) after claim 2 having a printed circuit board (31) with a) an auxiliary element 8 of the equipotential bonding conductor (6v) fastened on the underside, or a one-piece snap-in clamping part (8), and/or b) with exactly two contact elements (12, 12k, 12f) arranged vertically one above the other, one of which is a vertically resilient contact element (12f) which is soldered to the printed circuit board (31) and is resiliently mounted on the upper side of the lower part (1 0mu) galvanically and/or electrically contacted with the lowest possible resistance, with the safety washer (12k) being used primarily in the case of a galvanically and/or electrically poorly conductive or non-conductive upper side of the lower part (10mu) and being galvanically and/or electrically conductively pressed and/or screwed onto the pin (10muz) of the lower part (10mu), and/or c) the filter unit looped/switched on electrically in series in the vertical equipotential bonding line (6v). for frequency filtering of the currents flowing via this vertical equipotential bonding line (6v), which is arranged in the device (1) with the single printed circuit board (31). Fieldbus slave device (1) according to one of the preceding claims with a one-piece or two-piece contact eye spring (15) as a horizontal potential equalization element (6hs), which is designed as part of a horizontal cable screen (5m) connection unit (2) arranged on the galvanically and/or electrically insulating wall (10) with the horizontal potential equalization conductor (6h), so that several cable screens (Sm) of the wall plug connectors (20w, 20ws , 20wb) attached cable connectors (20k, 20ks, 20kb) of several circular connector cables (5) are connected horizontally and vertically galvanically and/or electrically with as little resistance as possible. Connection device unit (3) with a fieldbus slave device (1) according to one of the preceding claims with at least two shielded circular connector cables (5s, 5b), the connectors (20s, 20kb) of which are connected and fixed to the corresponding counter circular connectors (20wb, 20ws).

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