EP2747046B1 - Dispositif de vérification pour systèmes d'alarme de dangers - Google Patents

Dispositif de vérification pour systèmes d'alarme de dangers Download PDF

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Publication number
EP2747046B1
EP2747046B1 EP14157964.9A EP14157964A EP2747046B1 EP 2747046 B1 EP2747046 B1 EP 2747046B1 EP 14157964 A EP14157964 A EP 14157964A EP 2747046 B1 EP2747046 B1 EP 2747046B1
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EP
European Patent Office
Prior art keywords
subscriber
current
communication circuit
current sink
simulation unit
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Application number
EP14157964.9A
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German (de)
English (en)
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EP2747046A3 (fr
EP2747046A2 (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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Publication of EP2747046A2 publication Critical patent/EP2747046A2/fr
Publication of EP2747046A3 publication Critical patent/EP2747046A3/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.
  • 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 occurrence of malfunctions on subscriber loops is taken into account by the constant monitoring and regular checking of the reporting devices.
  • 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.
  • GMZ eg Einplatinensystem
  • 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.
  • a functional unit for the voltage supply of the subscriber loop preferably, 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.
  • the subscriber loop can be disconnected from the GMZ / BMZ and switched on.
  • 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.
  • German patent DE 966199 a test equipment for receiving centers of signaling equipment is specified, with which in the receiving center accommodated facilities, such as relays, voters, display and registration element are subjected to a test.
  • the detector loop is decoupled from the control center and coupled with test detectors of the same type and equipped with error Nachschstellen line simulation as the detector loop and in the form of an external educakoffers to the control center.
  • real detectors of the same type are required here for checking the telephone relay and no setting options for the testing of parameters different detectors provided.
  • none of these presented monitoring and testing facilities is capable or designed to self-test the control and communication circuits responsible for the control and signal transmission of the reporting systems in the respective hazard reporting or fire alarm control panels in an automated, faster and more flexible manner.
  • 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.
  • daughter boards which are offered by various manufacturers of Schleifentei Disabilityn, which are able to convert participants (for example, 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.
  • 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, multifunction reporting 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.
  • 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 e.g. Signal and monitoring transmitters, detectors, fire detectors, actuators, multifunctional alarm systems, automatic visual or audible alarms, controls and circuits for air conditioners, 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 unit 3 which z. B. may be preferably designed as a microprocessor system.
  • 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.
  • 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
  • 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.
  • 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 different protocols or other test sequences with changed parameters (FIG. 3).
  • a preferred application of this type of simulation for example, the detection of malfunction of individual modules of the control unit 3 with its microprocessor or microcontroller itself.
  • 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.
  • the measured values of the current measurements must be pulses or detected pulse sequences in the limited and stored tolerance ranges. Only in this case, the proper functionality of the communication circuit 2 is secured with its functional units 5 to 10 and the subscriber loop 11 can be switched on.
  • the current measurement according to the invention by the current measuring unit 8 of the current pulses generated by means of the constant current sink 9 or the adjustable current sink 13 can take place during operation of the subscriber loop 11 between the subscriber requests by the communication circuit 2 or at any intervals.
  • 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. 1b ).
  • 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.
  • 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, the voltage is measured correctly, because 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 to, then 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.
  • 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.
  • 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.
  • Embodiment 2 with the features of Embodiment 1 characterized in that the subscriber simulation unit (9) is completely integrated into the communication circuit (2) of the danger control panel (1) or alternatively is arranged externally.
  • Embodiment 4 with the features of embodiment 1 or 2, characterized in that the subscriber simulation unit (9) is embodied as a real subscriber (9a) with its own subscriber address and its own electronic control and is arranged as a completely independent module or component of the communication circuit (2) in the hazard warning center (1) and wherein the real subscriber (9a) specifically is designed for these purposes, and has a correspondingly adapted board and a microprocessor or microcontroller.
  • the subscriber simulation unit (9) is embodied as a real subscriber (9a) with its own subscriber address and its own electronic control and is arranged as a completely independent module or component of the communication circuit (2) in the hazard warning center (1) and wherein the real subscriber (9a) specifically is designed for these purposes, and has a correspondingly adapted board and a microprocessor or microcontroller.
  • Embodiment 5 with the features of embodiment 1-3, characterized in that the subscriber simulation unit is designed as a current sink (9) whose control and signal evaluation is performed by a microprocessor or a microcontroller of the control unit (3), wherein the input transistors (14, 15) of the current sink (9) via the signal line (17) with the microcontroller Port or the microprocessor of the control unit (3) of Communication circuit (2) signal and circuit technology are connected.
  • the subscriber simulation unit is designed as a current sink (9) whose control and signal evaluation is performed by a microprocessor or a microcontroller of the control unit (3), wherein the input transistors (14, 15) of the current sink (9) via the signal line (17) with the microcontroller Port or the microprocessor of the control unit (3) of Communication circuit (2) signal and circuit technology are connected.
  • Embodiment 6 with the features of Embodiment 5, characterized in that the current sink (9) is designed as a constant current sink, as a multistage current sink or as a microcontroller or microprocessor adjustable current sink (13), wherein it is adapted and designed depending on the application that any communication protocol of different manufacturers of participants (12), such as a pulse length modulation or a high frequency modulation for modulation of the signal pulses of the communication circuit (2) and on the subscriber loop (11) is usable.
  • any communication protocol of different manufacturers of participants (12) such as a pulse length modulation or a high frequency modulation for modulation of the signal pulses of the communication circuit (2) and on the subscriber loop (11) is usable.
  • Embodiment 7 with the features of one of the preceding embodiments 1 to 6, characterized in that the alarm system is designed as a fire alarm system and the alarm panel (1) as a fire alarm or extinguishing center (1), wherein the connecting line (16) is designed as a ring bus system and the participants (12) as a signal generator, detectors, fire detectors, multi-functional alarm systems, automatic optical, or acoustic alarms, controls and circuits for air conditioners, equipment shutdowns, extinguishing systems and remote alarm transmitter or the like are formed.
  • the alarm system is designed as a fire alarm system and the alarm panel (1) as a fire alarm or extinguishing center (1)
  • the connecting line (16) is designed as a ring bus system and the participants (12) as a signal generator, detectors, fire detectors, multi-functional alarm systems, automatic optical, or acoustic alarms, controls and circuits for air conditioners, equipment shutdowns, extinguishing systems and remote alarm transmitter or the like are formed.
  • Embodiment 8 for a method for testing the current measuring unit (8) of the communication circuit (2) of a hazard alarm system (1) using a test device according to one or more of the preceding claims 1 to 7, characterized in that the test of the current measuring unit (8) by means of a subscriber simulation unit (9) is performed.
  • Embodiment 12 for a method according to the features of embodiment 11, characterized in that with the, as on the DA output of the microcontroller (3) adjustable current sink (9) further different test currents of the current measuring unit (8) are checked, whereby more errors of non-linearity in the current measurement can be detected.
  • Exemplary embodiment 13 for a method according to the features of one of the preceding method embodiments characterized in that the testing of the current measuring unit (8) of the communication circuit (2) with the preferably designed as a current sink subscriber simulation unit (9) at arbitrary intervals and also during operation of the Subscriber loop (11) takes place, for example, hourly, as in reference to the examination of the internal memory of the processors of the participants (12).

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

Claims (8)

  1. Unité (9, 9a) de simulation d'abonné destinée à vérifier le bon fonctionnement d'une unité (8) de mesure de courant d'un circuit de communication (2) d'une centrale (1) d'alerte de danger, la centrale (1) d'alerte de danger pouvant être raccordée à plusieurs abonnés (12) par une boucle (11) d'abonnés, le circuit de communication (2) étant configuré pour assurer la communication avec les différents abonnés (12) et la commande de cette communication,
    l'unité (9, 9a) de simulation d'abonné étant configurée pour former une impulsion prédéterminée de courant et
    l'unité (9, 9a) de simulation d'abonné étant intégrée, pouvant être intégrée dans le circuit de communication (2) ou pouvant être reliée au circuit de communication (2).
  2. Unité (9, 9a) de simulation d'abonné selon la revendication 1, dans laquelle l'unité (9, 9a) de simulation d'abonné est configurée pour augmenter de manière prédéterminée le courant à mesurer par l'unité (8) de mesure de courant.
  3. Unité (9, 9a) de simulation d'abonné selon les revendications 1 ou 2, dans lequel l'unité (9, 9a) comporte un drain de courant (9, 13).
  4. Unité (9, 9a) de simulation d'abonné selon la revendication 3, dans laquelle le drain de courant (9, 13) peut être réglé.
  5. Unité (9, 9a) de simulation d'abonné selon l'une des revendications précédentes, présentant un microcontrôleur doté d'une base de temps indépendante du circuit de communication (2), qui commande l'unité (9, 9a) de simulation d'abonné en vue de former une succession prédéterminée d'impulsions de courant.
  6. Unité (9a) de simulation d'abonné selon les revendications 1 ou 2, dans laquelle l'unité (9) de simulation d'abonné est configurée comme abonné réel (9a) présentant sa propre adresse d'abonné et une commande électronique propre, l'abonné réel (9a) présentant un tableau ainsi qu'un microprocesseur ou un microcontrôleur permettant de former la réponse à l'impulsion de courant pour le circuit de communication (2) .
  7. Unité (9) de simulation d'abonné selon les revendications 1 ou 2, dans laquelle l'unité (9) de simulation d'abonné est configurée comme drain de courant (9) et présente des transistors d'entrée (14, 15) qui peuvent être reliés en termes de signaux et de circuit à un conducteur (17) de signaux présentant un port de microcontrôleur ou un microprocesseur d'une unité de commande (3) du circuit de communication (2) de telle sorte que le drain de courant (9) puisse être commandé par le microprocesseur ou le microcontrôleur de l'unité de commande (3).
  8. Unité (9) de simulation d'abonné selon la revendication 7, dans laquelle le drain de courant (9, 13) est configuré comme drain de courant constant (9), comme drain de courant à plusieurs étages ou comme drain de courant (13) réglable au moyen d'un microcontrôleur ou d'un microprocesseur, le drain de courant (9, 13) pouvant être adapté ou configuré pour un ou plusieurs protocoles de communication prévus pour une communication entre le circuit de communication (2) et un abonné correspondant (12) et en particulier pour un protocole de communication présentant une modulation de la longueur des impulsions ou un protocole de communication à modulation à haute fréquence pour la modulation des impulsions de signaux du circuit de communication (2) et sur la boucle d'abonné (11).
EP14157964.9A 2009-12-22 2010-12-20 Dispositif de vérification pour systèmes d'alarme de dangers Active EP2747046B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009060418A DE102009060418A1 (de) 2009-12-22 2009-12-22 Prüfeinrichtung für Gefahrenmeldeanlagen
EP10015811.2A EP2339557B1 (fr) 2009-12-22 2010-12-20 Dispositif de vérification pour installations d'alerte aux dangers

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP10015811.2A Division EP2339557B1 (fr) 2009-12-22 2010-12-20 Dispositif de vérification pour installations d'alerte aux dangers
EP10015811.2A Division-Into EP2339557B1 (fr) 2009-12-22 2010-12-20 Dispositif de vérification pour installations d'alerte aux dangers

Publications (3)

Publication Number Publication Date
EP2747046A2 EP2747046A2 (fr) 2014-06-25
EP2747046A3 EP2747046A3 (fr) 2017-05-17
EP2747046B1 true EP2747046B1 (fr) 2018-02-21

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

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EP (2) EP2747046B1 (fr)
DE (1) DE102009060418A1 (fr)

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ES2956038T3 (es) 2018-05-29 2023-12-12 Autronica Fire & Security As Prueba de una red de dispositivos de advertencia de peligro
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DE102009060418A1 (de) 2011-06-30
US20110150188A1 (en) 2011-06-23
EP2339557A3 (fr) 2013-07-24
US8299911B2 (en) 2012-10-30
EP2339557A2 (fr) 2011-06-29
EP2747046A3 (fr) 2017-05-17
EP2747046A2 (fr) 2014-06-25
EP2339557B1 (fr) 2014-09-10

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