EP0726552B1 - Circuit pour la transmission d'au moins deux signaux d'information - Google Patents

Circuit pour la transmission d'au moins deux signaux d'information Download PDF

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Publication number
EP0726552B1
EP0726552B1 EP96250027A EP96250027A EP0726552B1 EP 0726552 B1 EP0726552 B1 EP 0726552B1 EP 96250027 A EP96250027 A EP 96250027A EP 96250027 A EP96250027 A EP 96250027A EP 0726552 B1 EP0726552 B1 EP 0726552B1
Authority
EP
European Patent Office
Prior art keywords
signal
relay
signals
circuit
transmission
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP96250027A
Other languages
German (de)
English (en)
Other versions
EP0726552A1 (fr
Inventor
Wolfgang Röhl
Ulrich Baumgärtl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP0726552A1 publication Critical patent/EP0726552A1/fr
Application granted granted Critical
Publication of EP0726552B1 publication Critical patent/EP0726552B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • G08B25/018—Sensor coding by detecting magnitude of an electrical parameter, e.g. resistance

Definitions

  • the invention relates to a circuit arrangement for transmission of at least two message signals from a monitoring device to a distant signal device by means of a signaling line, at the location of the signal device one by pressing a button in self-holding Transferring acknowledgment relay for switching off the signal device is arranged.
  • Circuit arrangements of the type mentioned are, for example used for this purpose in electrical systems Exceeding the limit values of operating variables for transmission. It does not pose any difficulties in itself, one any number of message signals via a corresponding one Number of wire pairs and signal devices with acknowledgment relays transferred to.
  • the invention lies in this connection based on the task of transmitting several notification signals to a common signal device and associated Acknowledgment relay with little effort for the signal line enable.
  • the user of the circuit arrangement has the signal device switched off by pressing the button and enters second signal, the signal device is again activated.
  • This facility enables the notification signal transmitted by means of a normal installation line, whose standardized core colors do not allow any assignment.
  • the one included in the installation lines Protective conductor with yellow / green marking under none Circumstances can be used under current conditions. Now you can go to Compliance with these regulations and without additional laying another line in existing systems Message to be transmitted.
  • DE 25 51 951 B2 describes a control device for a reporting or alarm system in which one is in the notification state alarm loop by pressing a key of the alarm device is separated, which is thereby for the Signaling the response of another signal line is free again.
  • this means that the message signal is at the location of the Signal generator no longer available.
  • through the invention achieves that only when a second Signaling signal occurs, this transmitted to the location of the signal generator and is displayed or reported.
  • the invention is based on the in the figure shown embodiment explained in more detail.
  • a circuit arrangement is shown which for Transmission of two message signals M1 and M2 to a common one Signal device SG is used.
  • the message signal M1 the limit value of an electrical load Be assigned to the consumer, while the message signal M2 is triggered when a limit temperature is exceeded.
  • the message signals M1 and M2 represented as blocks, with the exception of one representation is how the message signals from the underlying Sizes are derived.
  • the signal signals M1 and M2 is each assigned a signal relay R1 or R2, through which one Signal line SL can be applied to a voltage source U.
  • the Signal line SL is shown interrupted to indicate that the signal device SG and the signal relays R1 and R2 remote locations.
  • An acknowledgment relay QR is located at the signaling device SG, whose switch contact in the idle state the signal device SG the signal line SL creates. If an acknowledgment key QT actuated, the QR acknowledgment relay switches to latching and switches off the signal device SG at the same time.
  • Each of the signals M1 and M2 also becomes an interrupt circuit US fed, which makes it possible Signal device SG to be used for both message signals M1 and M2. This happens because when one of the Alarm signals M1 or M2 the interrupt circuit US operated. As a result, when the second occurs Message signals the existing other message signal temporarily switched off by the interruption circuit US and thereby the acknowledgment relay QR in the starting position is deferred. In the embodiment shown this happens because in the common connecting line both signal relays R1 and R2 on from the interruption circuit US controlled transistor T is turned on. Nch the signaling device speaks when the acknowledgment relay is reset SG again and informs the user that a there is another signal. Then he can get away make sure what the message is.
  • the signal line SL only needs two live wires to be shown, therefore, commercial installation lines usable. In particular, existing reporting devices without laying additional lines and Installation of additional signal devices for additional messages be converted.

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Selective Calling Equipment (AREA)
  • Communication Control (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)

Claims (1)

  1. Montage pour la transmission d'au moins deux signaux (M1, M2) de signalis ion d'un appareil de surveillance à un appareil (SG) de signalisation éloigné dans l'espace, au moyen d'une ligne (SL) de signalisation, un relais (QR) d'accusé de réception passant en mode d'auto-entretien par l'actionnement d'une touche (QT) étant, pour la déconnexion de l'appareil (SG) de signalisation, monté à l'emplacement de l'appareil (SG) de signalisation, caractérisé en ce que, en utilisant une ligne (SL) de signalisation à deux bras commune à tous les signaux (M1, M2) de signalisation à transmettre, un signal (M2, M1) de signalisation déjà existant est, par un signal (M1, M2) de signalisation qui apparaít, déconnecté pour une brève durée par un circuit (US) d'interruption, et le relais (QR) d'accusé de réception en est remis à sa position de départ connectant l'appareil (SG) de signalisation.
EP96250027A 1995-02-09 1996-01-31 Circuit pour la transmission d'au moins deux signaux d'information Expired - Lifetime EP0726552B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19505794A DE19505794C1 (de) 1995-02-09 1995-02-09 Schaltungsanordnung zur Übermittlung von wenigstens zwei Meldesignalen
DE19505794 1995-02-09

Publications (2)

Publication Number Publication Date
EP0726552A1 EP0726552A1 (fr) 1996-08-14
EP0726552B1 true EP0726552B1 (fr) 2000-06-14

Family

ID=7754519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96250027A Expired - Lifetime EP0726552B1 (fr) 1995-02-09 1996-01-31 Circuit pour la transmission d'au moins deux signaux d'information

Country Status (3)

Country Link
EP (1) EP0726552B1 (fr)
AT (1) ATE193952T1 (fr)
DE (2) DE19505794C1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2318879B2 (de) * 1973-04-12 1978-03-30 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur Übertragung und Quittierung von Störmeldungen
GB1514248A (en) * 1974-11-20 1978-06-14 Nittan Co Ltd Alarm control system
DE2962120D1 (en) * 1978-04-17 1982-03-25 Chubb Electronics Ltd Electrical alarm circuits and systems
JPS61229195A (ja) * 1985-04-03 1986-10-13 株式会社日本自動車部品総合研究所 信号伝送システム

Also Published As

Publication number Publication date
DE19505794C1 (de) 1996-08-08
EP0726552A1 (fr) 1996-08-14
DE59605416D1 (de) 2000-07-20
ATE193952T1 (de) 2000-06-15

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