EP2339557B1 - Dispositif de vérification pour installations d'alerte aux dangers - Google Patents

Dispositif de vérification pour installations d'alerte aux dangers Download PDF

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Publication number
EP2339557B1
EP2339557B1 EP10015811.2A EP10015811A EP2339557B1 EP 2339557 B1 EP2339557 B1 EP 2339557B1 EP 10015811 A EP10015811 A EP 10015811A EP 2339557 B1 EP2339557 B1 EP 2339557B1
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EP
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Prior art keywords
current
subscriber
communication circuit
current sink
subscriber device
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EP10015811.2A
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German (de)
English (en)
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EP2339557A3 (fr
EP2339557A2 (fr
Inventor
Matthias Buss
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Minimax GmbH and Co KG
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Minimax GmbH and Co KG
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Priority to EP14157964.9A priority Critical patent/EP2747046B1/fr
Publication of EP2339557A2 publication Critical patent/EP2339557A2/fr
Publication of EP2339557A3 publication Critical patent/EP2339557A3/fr
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/04—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using a single signalling line, e.g. in a closed loop
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/12—Checking intermittently signalling or alarm systems
    • G08B29/123—Checking intermittently signalling or alarm systems of line circuits

Definitions

  • the invention relates to a test device for security systems, in particular for their communication circuit, which is responsible for the data communication and the control of a plurality of participants connected via a subscriber loop participants.
  • alarm systems are intended to warn the owners or operators of endangered industrial equipment or storage facilities as early as possible of the occurrence of major damage from fires, chemicals or other hazardous substances that appropriate countermeasures can be taken, their reliability and operational reliability are set high standards. Therefore, such systems, in particular fire detection systems for detection and extinguishing controls to extinguish fires under various requirements and operating conditions for long periods must work reliably and trouble-free. In order to keep the used signaling and installation technology trouble-free for years, as far as possible all sources of error, which can occur during the operating time under real environmental conditions and especially in harsh industrial areas, must be detected, indicated and eliminated at an early stage.
  • a subscriber loop is understood below to mean a ring bus system in which individual-addressable subscribers (for example danger detectors, fire detectors, actuators, etc.) are connected to a danger control center via a connection line which ensures both the power supply and the data transmission.
  • the connection line may e.g. be designed as a two-wire line, or even have multiple lines.
  • a danger control center (GMZ) can, for example. as a fire alarm control panel (BMZ), extinguishing control panel, combined fire alarm and extinguishing control panel, intruder alarm control panel, control center, gas detection center and others. be educated.
  • a hazard warning system (GMA) is the name given to the entirety of all devices / subscribers etc. connected to a corresponding control center and the operational control center.
  • One possible variant of the GMA is the fire alarm system (BMA).
  • the term "subscriber” is to be understood in the following any type of sensors, detectors, hazard detectors, fire detectors, alarm, emergency call device or control and switching devices for controlling or switching off devices such as air conditioning or extinguishing systems, which as line module, in particular as a detector via a Connecting line are connected to a security control center, to be understood.
  • the communication circuit can be both a fixed part of the GMZ (eg Einplatinensystem) or as controlled by the microprocessor system of the GMZ Module or as a stand-alone module with its own microprocessor system in a modular GMZ be realized.
  • the present invention relates in particular to the arranged in a security control center communication circuit, which are responsible in particular for the data exchange and monitoring of the individual, connected to the trunk line participants.
  • the data communication between the communication circuit and the subscribers takes place generally via a ring bus system and a data transfer control, preferably in bit serial form and in the half duplex method.
  • the data information of the individual users that can be addressed via the ring bus system are modulated onto the supply voltage provided by the security messaging center (GMZ).
  • GMZ security messaging center
  • the communication circuit In order to monitor the data traffic and the voltage supply of the subscriber loop, that is to say the connecting line and its subscribers, the communication circuit usually has various functional units connected in series. These are preferably, a functional unit for the voltage supply of the subscriber loop, a voltage pulse generator for modulating the supply voltage of the GMZ and a voltage measuring unit for checking the proper modulation of the supply voltage.
  • a current measuring unit for detecting the subscriber responses is furthermore connected downstream. From the detection of the current increase response by this current measuring unit, important conclusions can be drawn on the functionality of the connection line and the individual participants.
  • An output stage for the circuit-technical connection of the hazard or fire control panel (BMZ) to the subscriber loop is connected to the current measuring unit as a further functional unit. By switching the output stage, the subscriber loop can be disconnected from the GMZ / BMZ and switched on.
  • BMZ hazard or fire control panel
  • the aforementioned functional units of the communication circuit are controlled by an integrated control unit, which is preferably designed as a microprocessor system.
  • Another device for detecting emerging interruptions on a ring bus is from DE 20 2008 009 211 U1 known.
  • Object of the present invention is therefore to provide a test device for security systems, preferably for fire alarm systems, which avoids the disadvantages of known solutions and is able to reliably check the functioning of communication or control modules and their functional units and monitor.
  • a test device for security systems with a ring bus system and connected participants which has a subscriber simulation unit, preferably in the Integrated communication circuit of the alarm panel and a check their functional units allowed without the subscriber loop must be connected to a large number or individual participants.
  • the subscriber simulation unit can be completely integrated into the communication circuit of the hazard center. However, it is also possible to arrange the subscriber simulation unit externally.
  • the communication circuit comprises functional units such as a voltage supply to the subscriber loop, a control unit preferably designed as a microprocessor system, a voltage pulse generator, a voltage measuring unit, a current measuring unit, an output stage and at least one subscriber simulation unit.
  • the functional units can be connected in series in the following order: voltage supply, voltage pulse generation, voltage measuring unit, current measuring unit, subscriber simulation unit, output stage, connection of the subscriber loop by means of connecting line and ring bus system, wherein the functional units are signal-wise connected to the control unit.
  • the voltage measuring unit and the current measuring unit are interchangeable in their arrangement and thus in their switching sequence.
  • the subscriber simulation unit can be embodied as a real subscriber with a subscriber address and its own electronic control, which can be arranged from a completely independent module in the alarm control panel and without connection to the control unit.
  • a real participant in relation to the present invention are in particular so-called daughter boards to understand that are offered by various manufacturers of Schleifentei Disabilityn, which are able to convert participants (eg detectors or actuators) from other manufacturers to compatible participants in the subscriber loop.
  • a daughterboard can be installed as an independent real participant in the communication circuit of a BMA or GMZ and, in the function as a subscriber simulation unit, enables the same testing options as a microcontroller-controlled current sink.
  • this arrangement of a real subscriber provides the same advantageous test capabilities of the current measurement unit as the current sink, this solution is generally more costly and consumes a subscriber address on the subscriber loop.
  • the subscriber simulation unit is designed as a current sink, preferably as a constant current sink. It is of course within the scope of the invention that the current sink can also be designed in multiple stages. Depending on the field of application, this can be adapted and designed in such a way that any desired protocol can be used for modulating the signal pulses of the communication circuit and on the subscriber loop.
  • the input transistors of the current sink are connected via the signal line with the microcontroller port, the control unit of the communication circuit signal and circuit technology, which allows the circuit and control of the current sink.
  • the subscriber loop is designed as a two-wire ring bus system and participants as signalers, detectors, fire detectors, multi-functional alarm systems, actuators, visual or audible alarm, controls and circuits for air conditioning systems, equipment shutdowns, extinguishing systems and remote alarm transmitter or the like are formed.
  • a method for testing functional units of the danger control center is specified by means of the current sink integrated in the communication circuit and arranged between the functional units of the current measuring unit and the output stage.
  • the testing of the functional units is carried out with the aid of a subscriber simulation unit.
  • the functional units can be tested by the subscriber simulation unit in a subscriber loop separated from the alarm control panel and without occupying a subscriber address on the subscriber loop.
  • the non-consumption of a subscriber address is particularly important for obtaining maximum availability of subscriber addresses to competitors.
  • the current measurement is used for testing the functional units for any communication protocols and any type of modulation of measurement pulses up to the high-frequency modulation.
  • the subscriber loop is switched on reaching the setpoints of the security panel.
  • the testing of the functional units of the communication circuit with the subscriber simulation unit can take place at arbitrary time intervals and also during the operation of the subscriber loop. This can be, for example, based on the test of the memory of the processors of the participants hourly.
  • the further embodiment of the invention will be described below with reference to four FIGS. 1 bis4, and several embodiments will be explained in more detail.
  • a preferred embodiment of the invention is in Fig. 1a and relates to a fire alarm system with a fire panel 1, which is connected via a connecting line 16 with a plurality of participants 12 and a power supply 5 has.
  • the subscriber loop 11 is designed as a ring bus system, via which the subscribers 12 are individually addressable with the communication circuit 2.
  • various modules and devices for function and condition monitoring and alarm transmission can be defined, such as signal and monitoring transmitter, detectors, fire detectors, actuators, multi-functional alarm systems, automatic visual or audible alarm, controls and circuits for air conditioning, equipment shutdowns , Extinguishing systems or remote alarm transmitters.
  • the power supply of the participants 12 is carried out by the fire panel 1, also via the trained as a ring bus line 16.
  • Information, data and messages to the operating conditions of the individual participants 12, the fire panel 1 are also transmitted via the connecting line 16 by means of the ring bus as a data bus as vice versa the transmission of addresses and commands from the communication circuit 2 to the subscribers 12 takes place.
  • the communication with the participants 12 takes place by data packets or data words, which are transmitted by modulation of the supply voltage.
  • the subscribers 12 in turn respond to a received data packet by modulating their power consumption.
  • the data packets thus coded by the subscribers 12 are detected by the current measuring unit 8 and evaluated by the fire panel 1 for fire alarms, error messages such as wire break, short circuit and / or operational readiness, as well as further status information.
  • the circuitry and electronic connection of the subscriber loop 11 to the communication circuit 2 of the fire panel 1 is made by the output stage 10. With the output stage 10, the connections to, or when using, multiple subscriber loops 11 to the subscriber loops 11 can be interrupted and restored.
  • control of the functional units 5 to 10 carried by the control unit 3, which z. B. may be preferably designed as a microprocessor system. As described, the functionality of the individual subscribers 12 is tested essentially by means of detection of the current pulses by the current measuring unit 8 of the communication circuit 2.
  • At least one real participant 12 is always necessary. In addition to the time required for this purpose, but a real loop participant 12 always consumes an important loop address, which is then not available for other operating functions of the subscriber loop. Of considerable disadvantage here is of course that subscriber loop is not fully available in this time window and a dangerous situation may not be detected and reported.
  • a subscriber simulation unit 9 is inserted into the communication circuit 2 of the fire alarm control panel 1 (FIG. Fig. 1a and 1b ), with which in particular the functionality of the current measuring unit 8 can be tested.
  • the subscriber simulation unit 9 is arranged between the two functional units current measuring unit 8 and output stage 10.
  • the implementation of the subscriber simulation unit 9 in the communication circuit 2 of the fire panel 1 now according to the invention allows the examination of the proper function of the functional units 5 to 8 without connected subscriber loop 11 with the various participants 12th
  • the connection between the subscriber loop 11 and the current measuring unit 8 is separated by the output stage 10 and the subscriber loop 11 is simulated by the subscriber simulation unit 9.
  • the control unit 3 coordinates the timing and the functions of the functional units 6 to 10.
  • the subscriber simulation unit is designed as a current sink 9.
  • This in Fig. 2 illustrated circuit diagram of an exemplary current sink 9 shows their electronic Construction.
  • the current sink 9 is preferably designed as a constant current sink 9.
  • a constant current sink 9 has the advantage over a load resistor that the desired current load is independent of the magnitude of the supply voltage.
  • the current sink 9 is activated via the two transistors 14 and 15 connected to the signal input 17 through the microcontroller port of the control unit 3. When the current sink 9 is switched on, a constant voltage and thus a constant current across the transistor 19 and 19 occur at the reference diode 18 its emitter resistance.
  • test method according to the invention will now be described by way of example for a current sink 9.
  • control unit 3 is preferably designed as a microprocessor or microcontroller system which controls the stages and circuit parts via ports. Analog inputs of the voltage and current measurements are acquired via the microprocessor system 3 AD inputs.
  • the current sink 9 is designed as a current sink 13 which can be set via the DA output of the microcontroller of the control unit 3.
  • the operation is similar to the non-adjustable current sink 9. It is output from the microcontroller a certain voltage from the program via the DA output, so that sets an adjustable constant current through the transistor 22.
  • the communication circuit 2 can also be set to other or higher currents, which then correspond to other loop participants 12 with other protocols or other test sequences with changed parameters ( Fig.
  • a specific pulse sequence must be generated by a second microcontroller with its own time base and applied to the simulation unit designed as a current sink 9, 13 whose detection and evaluation with the current measurement unit 8 reveals indications of the cause of the error of the first microcontroller. For such cases, there are useful applications for using a simulated pulse train.
  • a further embodiment of the invention relates to the design of the subscriber simulation unit 9 as a real subscriber 9a, which is preferably integrated into the fire panel 1 and has an independent control unit without connection to the control of the communication circuit 2 ( Fig. 1 b ).
  • Suitable real participants 9a are specially designed for this purpose and have correspondingly adapted boards and microprocessor systems, which can generate the required current impulse response for the communication circuit 2.
  • test device according to the invention is then formed in this embodiment by a modified real subscriber 9a in the BMZ, instead of a microcontroller controlled current sink 9.
  • a modified real subscriber 9a in the BMZ instead of a microcontroller controlled current sink 9.
  • the subscriber simulation unit 9 can also be arranged externally on the subscriber loop 11 outside the fire control panel.
  • this external embodiment there are some advantages in this external embodiment compared to the above-described integrated embodiments of the current sink 9.
  • In an external arrangement on the subscriber loop 11 there is a risk that in a disturbance of the loop (eg two-sided wire break) can no longer be distinguished beyond doubt whether the current measurement works or no participant exists.
  • an exchange of the measurement sequence of the voltage measuring unit 7 with the current measuring unit 8 is proposed.
  • the arrangement of the voltage measuring unit 7 with the current measuring unit 8 of the communication circuit 2 is reversed.
  • the inventive inventive test method in this sense can also be used advantageously if the two measurements are reversed in order. However, it must be ensured that the current sink 9 downstream of the current measurement. Interchanging the current and voltage measurement influences in principle the current or voltage correct measurement. If the voltage measurement of the current measurement is switched after, voltage is measured correctly since the measured current also includes the current required for voltage measurement (voltage divider and current in the AD input of the microcontroller). if, on the other hand, the current measurement of the voltage measurement is switched after measured correctly, because the voltage at the output is lower by the voltage drop of the current measuring resistor (shunt). Depending on the center of gravity to be determined, one of the two arrangements is preferable.
  • the current sink 9 of the inventive test device is adapted and optimized such that the inventive test method, in particular the current measuring method of the communication circuit 2 is advantageously applicable even when using any communication protocol.
  • the modulation of the signal pulses for the communication between subscriber loop 11 and communication circuit 2 can take place up to the high-frequency modulation.
  • This embodiment is particularly advantageous when communication protocols for participants 12 different manufacturers use, as the modulation types and signal frequencies of different manufacturers from each other. Differ.
  • the loop participants 12 are addressed by the BMZ and transmit their data on the basis of any modulation of the supply voltage.
  • the subscribers 12 respond by some modulation of their response current pulses.
  • the participants then respond bit by bit in a special protocol, in the bit window defined by the BMZ by means of voltage pulses.
  • the test method according to the invention can be used for different modulation protocols.
  • the inventive integration of a current sink 9 in the communication circuit 2 of the fire panel 1 allows a fast and secure calibration of the current measuring circuit of the BMZ. This is an internal functional test of the communication circuit 2 of the BMZ with disconnected subscriber loop 11 and no real external Loop participants 12 possible. Thus, in particular, the functions of transmitting and receiving protocol data of the communication circuit 2 can be checked for operability.
  • the presented test method and the inventive test device have the particular advantage that a regular and at any time intervals repeatable test facility for important functional units of a GMZ / BMZ is provided without the important addresses are blocked on the subscriber loop. Furthermore, the erroneous or confusing error messages often associated with the current checks can be avoided.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Alarm Systems (AREA)
  • Monitoring And Testing Of Exchanges (AREA)

Claims (14)

  1. Dispositif de vérification pour installations d'alerte aux dangers, l'installation d'alerte aux dangers présentant une centrale d'alerte aux dangers (1) connectée à une multitude d'abonnés (12) par au moins une boucle d'abonnés (11) configurée de préférence en système de bus en anneau et comportant au moins un circuit de communication (2) destiné à la communication avec les différents abonnés (12) et à leur commande,
    caractérisé en ce que
    le circuit de communication (2) comprend les unités fonctionnelles suivantes :
    - une alimentation en tension (5) de la boucle d'abonnés (11),
    - une unité de commande configurée en microprocesseur ou microcontrôleur (3),
    - un générateur d'impulsions de tension (6),
    - une unité de mesure de tension (7),
    - une unité de mesure de courant (8),
    - un étage de sortie (10)
    - et au moins une unité de simulation d'abonné (9),
    ladite unité de simulation d'abonné (9) au moins étant prévue et disposée en vue de la vérification du bon fonctionnement de l'unité de mesure de courant (8) du circuit de communication (2) et donc de la centrale d'alerte aux dangers (1), et la vérification du bon fonctionnement de l'unité de mesure de courant (8) ainsi que de l'ensemble du circuit de communication (2) s'opérant au moyen d'une implémentation logicielle de l'unité de commande (3).
  2. Dispositif de vérification selon la revendication 1,
    caractérisé en ce que
    l'unité de simulation d'abonné (9) est entièrement intégrée au circuit de communication (2) de la centrale d'alerte aux dangers (1) ou, alternativement, disposée extérieurement.
  3. Dispositif de vérification selon la revendication 2,
    caractérisé en ce que
    l'unité de commande (3) est configurée en microprocesseur ou microcontrôleur, et les unités fonctionnelles (3, 5 à 10) sont montées en série dans l'ordre suivant :
    - alimentation en tension (5),
    - générateur d'impulsions de tension (6),
    - unité de mesure de tension (7),
    - unité de mesure de courant (8),
    - unité de simulation d'abonné (9),
    - étage de sortie (10),
    avec connexion de la boucle d'usagers (11) au moyen d'une ligne de liaison (16), les unités fonctionnelles (6 à 10) étant connectées sur le plan des signaux à l'unité de commande (3), et l'unité de mesure de tension (7) et l'unité de mesure de courant (8) étant interchangeables dans leur implantation et l'ordre de leur montage.
  4. Dispositif de vérification selon la revendication 1 ou 2,
    caractérisé en ce que
    l'unité de simulation d'usager (9) se présente sous la forme d'un usager réel (9a) doté de sa propre adresse d'abonné et de sa propre commande électronique et est disposée en tant que module entièrement indépendant ou partie intégrante du circuit de communication (2) dans la centrale d'alerte aux dangers (1), l'usager réel (9a) étant spécialement configuré à cet effet et présentant une carte adaptée en conséquence ainsi qu'un microprocesseur ou microcontrôleur.
  5. Dispositif de vérification selon les revendications 1 - 3,
    caractérisé en ce que
    l'unité de simulation d'abonné est configurée en puits de courant (9) dont la commande et l'évaluation des signaux sont assurées par un microprocesseur ou un microcontrôleur de l'unité de commande (3), les transistors d'entrée (14, 15) du puits de courant (9) étant connectés sur le plan des signaux et du montage par la ligne de signaux (17) au port microcontrôleur ou au microprocesseur de l'unité de commande (3) du circuit de communication (2).
  6. Dispositif de vérification selon la revendication 5,
    caractérisé en ce que
    le puits de courant (9) est configuré en puits de courant constant, en puits de courant à plusieurs étages ou en puits de courant réglable par microcontrôleur ou microprocesseur (13), ledit puits de courant étant adapté et configuré, selon le domaine d'utilisation, de manière à pouvoir utiliser n'importe quel protocole de communication de différents fabricants d'abonnés (12) pour la modulation des impulsions des signaux du circuit de communication (2) et sur la boucle d'abonnés (11), comme par exemple une modulation de longueur d'impulsion ou une modulation haute fréquence.
  7. Dispositif de vérification selon l'une des revendications 1 à 6 précédentes,
    caractérisé en ce que
    l'installation d'alerte aux dangers est configurée en installation d'alarme incendie, et la centrale d'alerte aux dangers (1) en centrale d'alarme incendie ou d'extinction (1), la ligne de liaison (16) étant configurée en système de bus en anneau, et les abonnés (12) étant constitués de transmetteurs de signaux, détecteurs, détecteurs d'incendie, systèmes d'alarme multifonctions, dispositifs automatiques d'alarme optique ou acoustique, commandes et circuits d'installations de climatisation, disjoncteurs d'appareils, installations d'extinction et générateurs d'alarme à distance ou dispositifs analogues.
  8. Méthode de vérification de l'unité de mesure de courant (8) du circuit de communication (2) d'une installation d'alerte aux dangers (1) utilisant un dispositif de vérification selon l'une ou plusieurs des revendications 1 à 7,
    caractérisée en ce que
    la vérification de l'unité de mesure de courant (8) s'opère à l'aide d'une unité de simulation d'abonné (9).
  9. Méthode selon la revendication 8,
    caractérisée en ce que
    la vérification de l'unité de mesure de courant (8) de l'installation d'alerte aux dangers (1) au moyen de l'unité de simulation d'abonné (9) configurée en puits de courant (9), puits de courant à plusieurs étages (13) ou puits de courant réglable (13) s'opère selon la procédure suivante :
    - séparation de la boucle d'abonnés (11) de la centrale d'alerte aux dangers (1) par l'étage de sortie (10) du circuit de communication (2),
    - coordination et commande des fonctions et schémas de montage des unités fonctionnelles (6 à 10) par l'unité de commande (3) configurée en système microprocesseur ou microcontrôleur,
    - activation du puits de courant (9) par le port microcontrôleur de l'unité de commande (3).
  10. Méthode selon la revendication 9,
    caractérisée en ce que
    la vérification de l'unité de mesure de courant (8) du circuit de communication (2) s'opère par mesures de courant au moyen d'une implémentation logicielle de l'unité de commande (3) configurée en microprocesseur ou microcontrôleur et de l'unité de simulation d'abonné (9) selon le cycle de mesure suivant :
    a -mesure du courant de repos du circuit de communication (2),
    b -mise sous tension du puits de courant (9),
    c - nouvelle mesure du courant total issu du puits de courant (9) et du circuit de communication (2),
    d -mise hors tension du puits de courant (9),
    e -vérification du courant de repos pour détection des différences de valeur par rapport à la mesure
    a,
    f - détermination de l'augmentation du courant à partir de la différence entre courant total et courant de repos, et vérification que l'augmentation constatée du courant a une valeur admissible.
  11. Méthode selon l'une des revendications précédentes,
    caractérisée en ce que
    le cycle de vérification d'une boucle d'abonnés (11) comprenant des abonnés (12) prévu par l'implémentation logicielle de l'unité de commande (3) du circuit de communication (2) comprend les étapes suivantes :
    a -application de la tension de boucle,
    b -mesure du courant de repos de boucle et comparaison à la valeur de consigne,
    b -mesure de la tension de boucle et comparaison à la valeur de consigne,
    d -application d'une impulsion de tension par le générateur d'impulsions de tension (6), mesure de l'amplitude de l'impulsion de tension par l'unité de mesure de tension (7) et comparaison à la valeur de consigne, coupure de l'impulsion de tension,
    e -mise sous tension du puits de courant constant (9), mesure du courant, détermination de la différence par rapport au courant de repos et comparaison à la valeur de consigne, remise hors tension du puits de courant (9),
    f - à l'atteinte des valeurs de référence, mise en circuit de l'étage de sortie (10) en vue de l'activation de la communication avec les abonnés (12) de la boucle d'abonnés (11).
  12. Méthode selon la revendication 11,
    caractérisée en ce que
    à l'aide du puits de courant (9) réglable par la sortie DA du microcontrôleur (3), on vérifie d'autres courants de test différents de l'unité de mesure de courant (8), ce qui permet de détecter également d'autres défauts de non-linéarité dans la mesure de courant.
  13. Méthode selon l'une des revendications précédentes,
    caractérisée en ce que
    la vérification de l'unité de mesure de courant (8) du circuit de communication (2) à l'aide de l'unité de simulation d'abonné (9) configurée de préférence en puits de courant s'opère à intervalles de temps quelconques et également en cours de fonctionnement de la boucle d'abonnés (11), par exemple toutes les heures, comme dans le cas de la vérification des mémoires internes des processeurs des abonnés (12).
  14. Méthode selon l'une des revendications précédentes,
    caractérisée en ce que
    la commande du puits de courant (9) par microcontrôleur s'opère de telle manière qu'une impulsion ou un train d'impulsions soit généré comme réponse simulée d'un abonné (12).
EP10015811.2A 2009-12-22 2010-12-20 Dispositif de vérification pour installations d'alerte aux dangers Active EP2339557B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP14157964.9A EP2747046B1 (fr) 2009-12-22 2010-12-20 Dispositif de vérification pour systèmes d'alarme de dangers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009060418A DE102009060418A1 (de) 2009-12-22 2009-12-22 Prüfeinrichtung für Gefahrenmeldeanlagen

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EP14157964.9A Division EP2747046B1 (fr) 2009-12-22 2010-12-20 Dispositif de vérification pour systèmes d'alarme de dangers
EP14157964.9A Division-Into EP2747046B1 (fr) 2009-12-22 2010-12-20 Dispositif de vérification pour systèmes d'alarme de dangers

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EP2339557A2 EP2339557A2 (fr) 2011-06-29
EP2339557A3 EP2339557A3 (fr) 2013-07-24
EP2339557B1 true EP2339557B1 (fr) 2014-09-10

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EP14157964.9A Active EP2747046B1 (fr) 2009-12-22 2010-12-20 Dispositif de vérification pour systèmes d'alarme de dangers
EP10015811.2A Active EP2339557B1 (fr) 2009-12-22 2010-12-20 Dispositif de vérification pour installations d'alerte aux dangers

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PT2866387T (pt) * 2013-10-25 2017-01-12 Amrona Ag Sistema de transmissão e método para a produção de tal sistema de transmissão
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US9564045B2 (en) * 2014-04-14 2017-02-07 Stephen D. Ainsworth Alarm system testing device
US9633554B1 (en) * 2015-10-14 2017-04-25 Honeywell International Inc. Fire alarm loop calibration and fault location
CN106781339A (zh) * 2016-12-30 2017-05-31 芜湖佳景科技有限公司 一种燃气报警器检测装置及其方法
DE102018102930A1 (de) * 2018-02-09 2019-08-14 Minimax Gmbh & Co. Kg Teilnehmer, Modul eines Teilnehmers und Verfahren zur Konfiguration eines Teilnehmers
US10210747B1 (en) * 2018-05-25 2019-02-19 Stephen David Ainsworth Fire alarm testing device and method
JP7237151B2 (ja) 2018-05-29 2023-03-10 アウトロニカ ファイア アンド セキュリティ エーエス ハザード警告装置のネットワークのテスト
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FR3117251B1 (fr) * 2020-12-08 2023-05-12 Nexans Dispositif antivol de câble électrique et procédé de fonctionnement associé
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Also Published As

Publication number Publication date
EP2747046A3 (fr) 2017-05-17
US20110150188A1 (en) 2011-06-23
EP2747046A2 (fr) 2014-06-25
US8299911B2 (en) 2012-10-30
EP2339557A3 (fr) 2013-07-24
DE102009060418A1 (de) 2011-06-30
EP2339557A2 (fr) 2011-06-29
EP2747046B1 (fr) 2018-02-21

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