WO2023187449A1 - Unité de terminal à distance, principalement destinée à être placée dans un boîtier de distribution, et son procédé d'utilisation - Google Patents

Unité de terminal à distance, principalement destinée à être placée dans un boîtier de distribution, et son procédé d'utilisation Download PDF

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Publication number
WO2023187449A1
WO2023187449A1 PCT/IB2022/053012 IB2022053012W WO2023187449A1 WO 2023187449 A1 WO2023187449 A1 WO 2023187449A1 IB 2022053012 W IB2022053012 W IB 2022053012W WO 2023187449 A1 WO2023187449 A1 WO 2023187449A1
Authority
WO
WIPO (PCT)
Prior art keywords
remote terminal
terminal unit
distribution box
mainly
mounting
Prior art date
Application number
PCT/IB2022/053012
Other languages
English (en)
Inventor
Juraj Tomlain
Stanislav Ravas
Ján Tomlain
Marek Harmata
Stanislav Drozd
Original Assignee
T - Industry, s.r.o.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by T - Industry, s.r.o. filed Critical T - Industry, s.r.o.
Publication of WO2023187449A1 publication Critical patent/WO2023187449A1/fr

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20436—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing
    • H05K7/20445—Inner thermal coupling elements in heat dissipating housings, e.g. protrusions or depressions integrally formed in the housing the coupling element being an additional piece, e.g. thermal standoff
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes

Definitions

  • the invention concerns a remote terminal unit (RTU) which is suitable for placement in the distribution box with standardized module rail holders (bar holders).
  • RTU remote terminal unit
  • the invention discloses a hardware construction, a system connection and method of communication with other elements during control and/or measurement of various parameters.
  • the remote terminal unit can be used for connection of various independent process platforms into a common, unified whole with central display, control and archiving.
  • RTU remote terminal unit
  • Publication CN210927867U discloses RTU unit with cooling which corresponds to the classic conception known from PC boxes with a fan, which, however, leads to problems given the required small dimensions of RTU.
  • Publication CN2057294U discloses an air-tight box structure of various industrial control interfaces, for example RTU, too, whereby the box has an inner board of the heat absorber and the outer cooling board and the heat tube between them.
  • Such arrangement partially addresses the issues with removal of the heat, but it is relatively complicated and space demanding arrangement which cannot be directly used in the delimited space which is limited by standardized module body for mounting into the distribution box.
  • Publication CN210956171 U discloses RTU box with ventilation dustproof mechanism for the heat dissipation.
  • Pursuant to the prior art the solutions used with classic PC boxes lead to spatially demanding constructions.
  • the solutions involving casing of various RTU devices in industry are complicated, since they try to prevent the dust from penetrating inside, which is, however, not a problem when RTU is placed in distribution boxes, where other elements - such as circuit breakers, protectors, contactors - also lack special protection against dust, since the inside of the distribution boxes is considered to be a low-risk environment as far as dust is concerned.
  • the remote terminal unit mainly for placement to the distribution box, which has the outer body with the connecting element for attachment to the standardized rail holder (bar holder), where the connecting element is on the back wall (side) of the outer body, and the remote terminal unit has connectors for connecting electric and/or data wiring on the lower wall (side) and/or on the upper wall (side) of the outer body, pursuant to this invention, whose essence lies in the fact that the front wall (side) of the outer body is metal.
  • Common module elements are placed in the distribution boxes, such as circuit breakers, protectors, contactors, plastic outer body, which inside the element forms an electric isolation between conductors under voltage, and at the same time from the outer wall forms a protection against the touch with voltage.
  • the proposed invention uses a metal front wall in order to achieve good heat dissipation.
  • the heat generated mainly by active elements inside the remote terminal unit is better transferred onto the outer surface of the remote terminal unit.
  • Electric distribution boxes are conceived in such a way that after the opening of door the front walls of all modules can be reached freely, the control levers are placed on this surface, the signalization targets and various mandatory labels such as standardized voltages, tripping currents and so on.
  • This construction conception uses the solution pursuant to this invention in such a way that it presupposes good access of air to the front wall of the outer body. Thanks to the metal front wall there is better heat dissipation to the outside.
  • remote terminal unit in this file concerns RTU in general, for example communication RTU and so on.
  • front wall denotes a side of the body which is after mounting in the distribution box visible by the user.
  • Back wall is the side of the body through which the body of the remote terminal unit is connected to the rail holder.
  • the fact the door of the distribution box are almost always closed determines that the heat from the front wall of the remote terminal unit is led to the air which is closed in the distribution box.
  • the distribution box in general has a large surface relatively to the surface of the outer body, whereby this surface of the distribution box leads the heat further to the environment even in case the distribution box has plastic walls.
  • the width of a single module (for example, single-phase circuit breaker) is 18 mm; the multi-module element has a width that is multiple of 18 mm, for example 54 mm in case of a three-phase circuit breaker.
  • the dimensions of the distribution boxes are therefore often stated by means of number of modules, for example 48, 56, 72, which denotes the number of modules that can be mounted onto the rail holder or multiple rail holders.
  • the dimensions of the outer body are adapted for insertion of the distribution box with the windows in the removable casing. That means that the height of the part of the outer body which eventually protrudes out of the window in the removable casing is less than 45 mm.
  • the outer bad has a shape without the part which would protrude above the level of removable casing, and in such case the width of the outer body (the outer dimension between the front wall and back wall) is less than or equal to 44 mm. With such dimension the front wall of the outer body will reach the level of the window which can be - but which usually is not - blinded by a plastic plug.
  • the width of the outer body (the outer dimension between the first side front and the second side front) is not the whole multiple of the standardized module (18 mm). In such arrangement, after mounting of the remote terminal unit, a gap is produced which makes the cooling of the outer body simpler. It is preferably if the width of the outer body is within the range (X - (0,2 to 0,8)) x 18 mm.
  • the remote terminal unit occupies in the distribution box the width of X modules and on both sides it has a gap ranging at least from 0,1 to 0,8 x 18 mm, that is 1 ,8 to 7,2 mm, which rules out the direct touch of the metal casing of the outer body with the neighbouring elements which will usually have a plastic body, such as circuit breakers and so on.
  • the abovementioned arrangement does not prevent the remote terminal unit to be used outside the typical distribution box with the standardized rail holder.
  • the remote terminal unit is typically equipped with the connecting element and short rail holder can be mounted into other boxes, too.
  • the front wall of the remote terminal unit can be produced from the steel or aluminium sheet metal.
  • the front wall is part of the sheet metal moulding which with its folded edges forms, at the same time, the upper wall and both side walls.
  • the bottom wall can be from an independent piece of sheet metal or it can be part of the front wall.
  • the front wall and/or the back wall can be equipped with ground connection which can be connected with the grounding bar in the distribution box by means of a coloured (colour-marked) conductor.
  • the outer body has a connecting element by which the outer body clicks into the standardized rail holder.
  • a flexible lock mechanism with a movable thumb such as the one used in cases of modules of circuit breakers or protectors can be used.
  • the connecting element in another attachment can be formed by the metal profile, for example extruded aluminium profile, which has a transversal shape of the open C and which is equipped by at least one flexible latch. The flexible latch falls - after the connecting element is pushed to the standardized rail holder - behind the edge of the standardized rail holder and keeps the outer body in vertical position.
  • the front wall of the outer body but also the back wall of the outer body is produced from metal, preferable steel or aluminium sheet metal.
  • the whole outer body is metal and it improves the dissipation of heat from inside the remote terminal unit.
  • the connectors for connecting the electric and/or data wires and cables are in one of the preferable arrangements led on the bottom side and, at the same time, on the top side of the body.
  • the connectors can be placed side by side on the printed circuit board whereby one group of connectors can be approached from the top side and the second group can be approached from the bottom side of the body.
  • the components on the printed circuit board inside the remote terminal united are oriented towards the front wall.
  • the processor chip which is usually the dominant element of the heat generation is separated from the back wall of the outer body by the holder of the processor and the printed circuit board.
  • the heat transfer in this direction is lower as it is led by convention into inside space and towards the front wall of the outer body.
  • the invention can include a heat transfer bridge which connects the processor or its cooling surface or its cooler with the metal front wall.
  • a simple metal block - preferably a full metal block -, mainly an aluminium block, can be used as a heat transfer bridge, whereby on one side it touches the processor or its cooling surface or its cooler and on the other side it touches the front wall directly.
  • these layers can be equipped by the heat conductive paste or head conductive adhesion tape or heat conductive glue or sealant.
  • the front wall the length of the heat transfer bridge and the position of the processor on the printed circuit board, can be construed in such a way that in the place of the adhesion of the heat transfer bridge the front wall will be flexible and during the mounting of the outer body the small deformation of the front wall produces a pressure onto the heat transfer bridge. The pressure keeps the heat bridges in the reliable contact so that the heat is transferred without increased resistance in the liminal layers and at the same time it holds the heat transfer bridge in correct place.
  • the processor is placed outside the edge zones of the groundplan of the front wall where the sheet metal very solid. After the placement of the processor more towards the central part of the front wall the heat transfer bridge leans onto the more flexible part of the front wall which rules out the risk of the mechanical damage of the processor during the mounting.
  • a strip with width of 10%, preferably 20% of the respective transversal dimension (width or height), can be considered an edge zone.
  • the first side front and/or the second side front is equipped by the openings, preferably series of smaller openings for the ventilation (air conditioning) of the inside of the body of the remote terminal unit.
  • a ventilator is placed for the support of the flow of the air.
  • a common part of the electronic devices is the temperature sensor on the printed circuit board or inside the body of the respective device, on the basis of which it regulates the switching on and off, or also the rotations, of the fan.
  • a part of the remote terminal unit can also be a temperature sensor outside the body of the remote terminal unit itself, so that, for example, the temperature sensor is at least in one place of the distribution box.
  • Such sensor can be connected by the cable with the respective input on the connectors of the remote terminal unit and it can be placed, for example, on the top side of the distribution box.
  • the data from the temperature sensor of the distribution box can serve the purpose of eventual regulation of the performance of the processor, but they can also perform the function of fire protection when excessive temperature signalizes the problems with the heat generation in the distribution box which can lead even to the fire in the distribution box, or burning out of the distribution box.
  • the arrangement of the abovementioned construction well transfers the heat generated by the processor to the inner environment of the distribution box and thereby allows to produce a complex and universally applicable structure which involves, among other things, the universal converter.
  • the converter serves the function of translation of individual languages and protocols used in various systems into a universal language on which the system pursuant to this invention is based.
  • the converter has interfaces of all necessary specifications, such as e.g. RS232, RS485, Ethernet, LonWorks, PC104, and it is capable of working with protocols such as e.g.
  • the remote terminal unit has a communication protocol for the internet of things (loT), thanks to which it allows to interact with new devices and sub-systems.
  • LoT internet of things
  • the remote terminal unit can integrate various loT standards which are hitherto not very unified.
  • the remote terminal unit includes a display element, too, or if it is at least equipped by the graphic output for the connection with the independent display element itself.
  • the remote terminal can use an archiving module, too, and an alarm module. After translating the received information and data from the individual systems the received data can be centrally stored and, eventually, the alarm states of the individual systems can be assessed. An arrangement is possible where the alarm states will be autonomously assessed by the remote terminal unit directly together with the eventual feedback, but where the assessment of the alarm states can be done on the central level on the basis of data received from the remote terminal unit.
  • connection of a converter which leads to unification of the data flows of various subsystems (controlled or measure subsystems) in a single platform allows to connect into the central system all originally incompatible subsystems of various suppliers (such as consumption meters, light ration sensors and control units of the public lighting).
  • the remote terminal unit for example, a panel display for visualisation of processes and display of states, processes and measured values.
  • a panel display for visualisation of processes and display of states, processes and measured values.
  • Such panel display can be placed, for example, in the vicinity of the controlled technology, or directly in place where it will be possible to observe actual states, or it can be attached on the outside wall of the door of the electrical switchboard.
  • the panel display can include a display, a communication interface, a hardware core of the industrial computer, and at least one control element, whereby the hardware core of the industrial computer is connected with the display, the communication interface and at least one control element for the control of the processes or setting of parameters.
  • the communication interface allows for two-way communication with the remote terminal unit which can, in the preferable arrangement, have its own IP address.
  • the panel display can be connected to the remote terminal unit by HDMI cable or by LAN network.
  • the control of the process and gathering of the measure data can be centralized, but the device for the display will be an element by which one can follow a fragment of the whole control and measurement process and at least manually intervene in it.
  • the control elements can be in a form of buttons or keyboards, but it will be preferable if the display itself as a necessary part of the device will have a form of the touch display which in cooperation with the respective software produces a full-featured control element of the device.
  • Identification of the remote terminal unit in the data network can be realized from its own IP address of the device.
  • the communication interface can be connected to the hardware core of the remote terminal unit by data bus, whereby this communication interface can be formed by Ethernet ports, RS232 ports, RS485 ports, USB ports and their mutual combinations.
  • USB port can, for example, be used for connection of flash memory or external hard disk for the purposes of storage and/or it can serve for connection of WiFi dongle module through which the remote terminal unit can be subsequently connected WiFi network and to the local network or, otherwise, it can be an access point itself and produce its own WiFi network to which the other devices such as mobile phone or tablet can be connected. This simplifies, for example, the display of data, the maintenance, the configuration of the remote terminal unit, and so on.
  • modules on the printed circuit board can be modules SixFox, GSM modem, NB-IOT, Radio, Bluetooth, Heracles. Such a module is soldered onto the printed circuit board pursuant to the order of a particular customer.
  • the remote terminal unit or at least one display panel can have increased resistance against humidity in the environment, for example in form of IP45 or IP65 covers.
  • the converter includes, aside from the common hardware core for the conversion of the input values, a control and communication unit.
  • the control unit can represent relationships between input and output value pursuant to the respective program.
  • the converter according to this invention is therefore arranged for the variable change of its features.
  • the communication unit serves the purpose of connection to the superordinate part of the system.
  • Galvanic separation of the input-output elements from the control and communication unit ensures its protection against dangerous states which could arise at the end degrees. This protection decreases the risk that the converter will be damaged by the fluctuations and extremes of the voltage or current at the output elements.
  • the converter has, aside from the digital inputs and outputs, the analogue inputs and outputs in all necessary scopes (extensions), too.
  • Such an arrangement can be achieved in such a way that the input and output elements are dimensioned for the static and dynamic unification of all mentioned scopes.
  • Actual determination of the scope and sensitivity of the input and output intervals of the converter is realized only by means of a software adjustment in the remote terminal unit. This can be realized in a planned way pursuant to the expected scope of the inputs and outputs, for example pursuant to the technical documentation of the connected devices, or the converter can be equipped by the self-diagnostic block which tests the inputs connected later.
  • Such conceived universal converter is very variable and cross-compatible with any outside devices in the control system of the technological processes.
  • the converter is a hardware platform which allows to produce a converter adjusted specifically to a given situation out of its universal generic form. It is preferable if the basic number of inputs and outputs which is chosen in case of a particular design of the printed circuit board can be broadened.
  • the remote terminal unit can have, aside from the pre-set programs for control of the relationship between inputs and outputs, an upgrade block, too, which can be accessed through the adequate security and it allows to change the firmware of the remote terminal unit. Thanks to which the basic features of the converter can be altered even without the change of the hardware.
  • the data flow from various inputs is in the remote terminal unit connected to the converter where the data are processed firstly by translation into the universal language and subsequently they are processed pursuant to the set algorithm.
  • the translation into the single language can have a form where the TAG tag with unified shape is assigned to each received value. Shape and structure of TAG is unified for all types of information.
  • the content of the TAG says whether it is an input into the system (measured value) or output from the system (intervention into the system) and it also informs about the value and size of these data.
  • TAG also carries and identification of the source of the data and therefore all gathered data behind the converter can be in any moment of the processing correctly identified and selectively processed.
  • the data are archived after being translated to the single language.
  • the density of the central archiving can be variously set for each branch of received data. It is also preferable if the data after translation to the single language are assessed and compared with the set extreme, liminal values for individual processes. The transgression of these boundaries starts the visual and sound alarm.
  • the remote terminal unit can be preferably used with the electric distribution network, distribution network of natural gas and other energy carriers; it can be used in telemetry, during remote control and countdowns, in automated systems, during the control of lighting, in control of operations, in the management of power plant operations and similar energy sources.
  • the remote terminal unit can be placed, for example, in the distribution box of the public lighting where it is connected to the control and/or measurement of at least one charging station for electric cars.
  • the charging station in this application is connected to the street lighting pole.
  • the remote terminal unit can be used for control of the traffic, where the data concerning the dynamics and statics of the traffic, for example, the level of pollution, the slowing of traffic, the occupancy of the parking lots, and so on, are gathered and, eventually, also assessed.
  • An important advantage of the proposed invention is its high universality and ability to carry high power load, where the fast processor in the relatively small outer body can control complex tasks without the problems with cooling.
  • Figure 1 is a front view of the remote terminal unit with the front cover from sheet metal.
  • Figure 2 is a side view of the outer body with the connecting element on the back wall.
  • Figure 3 is a spatial view of the side front with the openings for ventilation (air conditioning).
  • Figure 4 is a bottom view, where the dimension “a” defines the outer distance of the front wall from the back wall.
  • Figure 5 is a shot from the infrared observation of the heat field of the front wall during the load of the main processor, where the shade of gray depicts the value of the temperature pursuant to the scale depicted on the right.
  • Figure 6 is a side view of the remote terminal unit where in the partial cross-section a placement of the heat transfer bridge on the top surface of the processor is depicted.
  • the remote terminal unit has an outer body 1_, where the back wall 3 is from steel sheet metal.
  • the outer body is thus highly solid even with the front cover 8 removed.
  • the front cover 8 is folded from the aluminium sheet metal cut-out, whereby it has a front wall 2, the first side front 4, the second side front 5 and also flaps on the upper and lower side.
  • the back wall’s 3 height surpasses the height of the front wall 2 and these overhanging edges together for a support for the bar with connectors.
  • the connectors are soldered directly on the edges of the printed circuit board.
  • the processor is mounted onto the printed circuit board outside the zone pursuant to figure 5 which depicts the better distribution of temperature; from the point of view of groundplan, the processor is placed approximately in the place with the lightest shade of depiction of temperature.
  • the connecting element 7 is placed on the back wall 3, whereby it is approximately in the central position within the back wall 3.
  • a powerful 32-bit CPU with ARM Cortex-A9 architecture (in particular ARM Cortex-A9, 4x 1 GHz) with operational memory 2GB is used in this example.
  • the heat transfer bride 6 is produced from solid material, here in particular from solid aluminium profile, whereby the dimension of the heat transfer bridge 6 with small overhang corresponds to the gap between the front wall 2 and the cooling surface of the processor. Thanks to this the fine deformation of the front wall 2 occurs after the mounting of the front cover 8 and thereby produced pressure force keeps the individual transition layers in close contact.
  • the remote terminal unit is used mainly as communication RTU. It allows for communication with various subordinate and superordinate stations by means of standard telemetric and automated protocols.
  • the software of the remote terminal unit is build on the operation system Linux.
  • the open architecture of the software allows for addition of the functionality by insertion of new software modules.
  • the configuration and diagnostics of the remote terminal unit takes place through the inbuilt web interface.
  • the remote terminal unit is in the industrial realization, and has an industrial scope of working temperatures, it has a metal body and it is mounting onto DIN rail holder.
  • the remote terminal unit has an operation system Embedded Linux 4.14 and it is equipped by communication protocols I EC-60870-5-101 , I EC-60870-5-104, TG800, Modbus/RTU, Modbus/TCP, OPC, SuiteLink, QERP4, Simatic 57, SWTN, PTNET, TINYMESH, SNMP, SQL.
  • the system of data archiving and gathering corresponds to protocol OpenDAF.
  • the remote terminal unit also has 1x GSM modem with a slot for SIM card insertion from the upper side, 1 x radio module (adjustable) 433 MHz, 868 MHz, point-to-point, mesh. On the second side front 5 there is a slot for insertion of the microSD card.
  • the remote terminal unit in this example also has 2 relay outputs with the load 2 A with 24 VAC or also a relay 230 VAC 2 A.
  • the temperature scope of the remote terminal unit ranges from -20°C to +60°C, the supply voltages is 12 - 24 VDC, the maximum consumption is 12 W, the cover is IP20, outer dimensions are 112 x 110 x 50 mm. Dimension “a” as width of the outer body 1_ in this example is 43 mm thanks to which the whole outer body after mounting is below the level of removable cover with windows.
  • the information flows from the inputs are connected with the converter which has a unit for translation of the data into a single language.
  • the archiving module is connected to the converter, too.
  • the archiving module is formed by a microSD card with the software for storage of all data in the loop for the last hour and also for the permanent storage of data in a set time frequency.
  • An alarm module is connected to the converter, where all extreme and liminal values of all ongoing processes are set.
  • the alarm module is equipped with the visual and sound output.
  • the device pursuant to the previous example is supplied by the panel display which is connected through the HDMI output to the remote terminal unit.
  • the panel display in this example has industrial realization with cover IP65 so that it is resilient and it is hanged on the outer side of the door of the distribution box.
  • the touch LCD panel has a display function and it also functions as input for control.
  • the LCD panel is a control element, too. Additional control elements in form of buttons are additionally added to this control interface on the front surface of the body of the panel display.
  • the remote terminal unit is placed in the electric distribution box of the public lighting. After the replacement of the older lighting bodies for the more effective LED lighting panels the existing older power wires are re-dimensioned (relatively compared to power consumption of new LED lighting panels) and can be used for creation of the charging stations for electric cars. Charging modules are inserted inside the existing poles. Without need for placement of new wires and cables the remote terminal unit is used for control of multiple charging stations and also for gathering of information necessary for billing of consumed electricity. Data are communicated by means of signal modulation into the power supply cables and addressed to individual charging stations.
  • the remote terminal unit is placed in the electric distribution box governed by the city and it serves the purpose of gathering traffic data.
  • the assessed data come from various pollution sensors, traffic dynamics and statics sensors, and these are sent to the control centre.
  • the mesh network produced, for example, by means of public lighting with subsequently transferred data, can be used for communication, thanks to which there is no need for new communication cables and wires.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Selective Calling Equipment (AREA)
  • Patch Boards (AREA)

Abstract

La présente invention concerne une unité de terminal à distance qui comprend un corps externe (1) avec un élément de liaison (7) destiné à être fixé à un support de rail normalisé. L'élément de liaison (7) se trouve sur la paroi arrière (3) du corps externe (1). La paroi avant (2) du corps externe (1) est en métal, de préférence en tôle d'acier ou d'aluminium. À l'intérieur, un pont de transfert de chaleur (6) relie la surface du processeur ou la surface de refroidissement du processeur ou le refroidisseur du processeur à la paroi avant (2). La paroi avant (2) peut faire partie du couvercle avant (8) sous la forme d'une moulure en tôle qui, avec ses bords pliés, forme en même temps un côté inférieur, un côté supérieur et les deux côtés avant (4, 5). La paroi arrière (3) peut également être en métal ; de préférence en tôle d'acier ou d'aluminium, à l'instar de la paroi avant (2). L'unité de terminal à distance est équipée d'un convertisseur permettant de traduire les différents langages et protocoles dans la langue universelle et, de préférence, des interfaces RS232, RS485, Ethernet, LonWorks, PC104 et des protocoles ModBus, RTU/ASCII, ModBus TCP, MBus, DALI, OPC.
PCT/IB2022/053012 2022-03-31 2022-03-31 Unité de terminal à distance, principalement destinée à être placée dans un boîtier de distribution, et son procédé d'utilisation WO2023187449A1 (fr)

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SK50025-2022U SK9650Y1 (sk) 2022-03-31 2022-03-31 Vzdialená riadiaca jednotka, najmä na umiestnenie do rozvodnej skrine, a spôsob jej použitia
SKSKPUV50025-2022 2022-03-31

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WO2023187449A1 true WO2023187449A1 (fr) 2023-10-05

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2512598A (en) * 2013-04-02 2014-10-08 Metasphere Ltd Remote telemetry units
US20160249483A1 (en) * 2015-02-23 2016-08-25 Honeywell International Inc. Remote terminal unit (rtu) supporting elevated operating temperature and reduced power consumption

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2512598A (en) * 2013-04-02 2014-10-08 Metasphere Ltd Remote telemetry units
US20160249483A1 (en) * 2015-02-23 2016-08-25 Honeywell International Inc. Remote terminal unit (rtu) supporting elevated operating temperature and reduced power consumption

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SK9650Y1 (sk) 2022-11-24

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