ES2093663T3 - PROCEDURE FOR THE TRANSMISSION OF BINARY DATA IN A DANGER SIGNALING SYSTEM. - Google Patents

PROCEDURE FOR THE TRANSMISSION OF BINARY DATA IN A DANGER SIGNALING SYSTEM.

Info

Publication number
ES2093663T3
ES2093663T3 ES91114664T ES91114664T ES2093663T3 ES 2093663 T3 ES2093663 T3 ES 2093663T3 ES 91114664 T ES91114664 T ES 91114664T ES 91114664 T ES91114664 T ES 91114664T ES 2093663 T3 ES2093663 T3 ES 2093663T3
Authority
ES
Spain
Prior art keywords
central station
signal
binary data
detector
comparator
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
ES91114664T
Other languages
Spanish (es)
Inventor
Peer Dr-Ing Thilo
Klaus Kaiser
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
Original Assignee
Siemens AG
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 filed Critical Siemens AG
Application granted granted Critical
Publication of ES2093663T3 publication Critical patent/ES2093663T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • G08B25/04—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
    • 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

Landscapes

  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)
  • Selective Calling Equipment (AREA)
  • Control Of Transmission Device (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Alarm Systems (AREA)

Abstract

A method for transmitting binary data in an alarm signalling system comprising a central station (Z), from which at least one dual line (a, b) originates, by means of which a multiplicity of detectors (M1 to Mn) is connected to the central station (Z), devices for transmitting and detecting binary data being provided in the central station (Z) and in the detectors (M1 to Mn), which devices are in each case formed by means of a comparator (K), the switching threshold (Uk) of which is preset, the threshold values of the respective comparators (K) being determined and stored by the central station (Z) in that firstly a synchronisation signal (Sy) for preparing a detector (M) is sent out by the central station (Z) and subsequently a signal (C1; C2) is sent to the detector (M), the amplitude of which signal is systematically changed in such a manner that its value progressively approaches the comparator threshold value (Uk), whereupon this detector (M) outputs a characteristic signal (CA1, CA2) to the central station (Z) when the amplitude value is greater than the threshold value (Uk) and the comparator threshold value (Uk) is determined from the characteristic signal (CA1, CA2) and the systematically variable signal (C1, C2) in the central station (Z). <IMAGE>
ES91114664T 1991-08-30 1991-08-30 PROCEDURE FOR THE TRANSMISSION OF BINARY DATA IN A DANGER SIGNALING SYSTEM. Expired - Lifetime ES2093663T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP91114664A EP0529140B1 (en) 1991-08-30 1991-08-30 Binary data transmission method in an alarm signalling system

Publications (1)

Publication Number Publication Date
ES2093663T3 true ES2093663T3 (en) 1997-01-01

Family

ID=8207099

Family Applications (1)

Application Number Title Priority Date Filing Date
ES91114664T Expired - Lifetime ES2093663T3 (en) 1991-08-30 1991-08-30 PROCEDURE FOR THE TRANSMISSION OF BINARY DATA IN A DANGER SIGNALING SYSTEM.

Country Status (6)

Country Link
EP (1) EP0529140B1 (en)
AT (1) ATE145080T1 (en)
DE (1) DE59108333D1 (en)
DK (1) DK0529140T3 (en)
ES (1) ES2093663T3 (en)
GR (1) GR3021566T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2397156A (en) * 2003-01-03 2004-07-14 Leeds Electronic Eng Ltd Alarm system with reduced wiring

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3588828A (en) * 1967-08-02 1971-06-28 Dutton Hayward H Signaling system responsive to pulses within an amplitude range
DE2716506A1 (en) * 1977-04-14 1978-10-19 Dieter Eberhard Location of triggered sensor in alarm system - by measuring peak voltage at end of line of series connected sensor contacts having parallel connected resistors
DE3043357C2 (en) * 1980-11-17 1985-01-17 Siemens AG, 1000 Berlin und 8000 München Method and device for measuring resistance on a signal line
JPS60117939A (en) * 1983-11-30 1985-06-25 Matsushita Electric Works Ltd Information transmission system
DE3650652T2 (en) * 1986-03-31 1998-02-19 Matsushita Electric Works Ltd Fire alarm system

Also Published As

Publication number Publication date
EP0529140B1 (en) 1996-11-06
EP0529140A1 (en) 1993-03-03
GR3021566T3 (en) 1997-02-28
DK0529140T3 (en) 1997-02-17
ATE145080T1 (en) 1996-11-15
DE59108333D1 (en) 1996-12-12

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