JPS52132798A - Automatic open wire detecting system for monitor control transmission system - Google Patents

Automatic open wire detecting system for monitor control transmission system

Info

Publication number
JPS52132798A
JPS52132798A JP5014176A JP5014176A JPS52132798A JP S52132798 A JPS52132798 A JP S52132798A JP 5014176 A JP5014176 A JP 5014176A JP 5014176 A JP5014176 A JP 5014176A JP S52132798 A JPS52132798 A JP S52132798A
Authority
JP
Japan
Prior art keywords
open wire
monitor control
control transmission
automatic open
wire detecting
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.)
Granted
Application number
JP5014176A
Other languages
Japanese (ja)
Other versions
JPS6058518B2 (en
Inventor
Kazumasa Murakami
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP51050141A priority Critical patent/JPS6058518B2/en
Publication of JPS52132798A publication Critical patent/JPS52132798A/en
Publication of JPS6058518B2 publication Critical patent/JPS6058518B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Fire Alarms (AREA)
  • Alarm Systems (AREA)
  • Emergency Protection Circuit Devices (AREA)

Abstract

PURPOSE: To simplify the open wire check function and to shorten the required time, by putting out the open wire check instruction from the central monitor control unit every constant time, and returing the check information from the peripheral unit.
COPYRIGHT: (C)1977,JPO&Japio
JP51050141A 1976-04-30 1976-04-30 Automatic disconnection detection method for supervisory control transmission system Expired JPS6058518B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51050141A JPS6058518B2 (en) 1976-04-30 1976-04-30 Automatic disconnection detection method for supervisory control transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51050141A JPS6058518B2 (en) 1976-04-30 1976-04-30 Automatic disconnection detection method for supervisory control transmission system

Publications (2)

Publication Number Publication Date
JPS52132798A true JPS52132798A (en) 1977-11-07
JPS6058518B2 JPS6058518B2 (en) 1985-12-20

Family

ID=12850864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51050141A Expired JPS6058518B2 (en) 1976-04-30 1976-04-30 Automatic disconnection detection method for supervisory control transmission system

Country Status (1)

Country Link
JP (1) JPS6058518B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6093590A (en) * 1983-10-27 1985-05-25 富士電機株式会社 Abnormality detection circuit
JPS61109194A (en) * 1984-10-31 1986-05-27 ホーチキ株式会社 Fire alarm

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6093590A (en) * 1983-10-27 1985-05-25 富士電機株式会社 Abnormality detection circuit
JPH0330916B2 (en) * 1983-10-27 1991-05-01 Fuji Electric Co Ltd
JPS61109194A (en) * 1984-10-31 1986-05-27 ホーチキ株式会社 Fire alarm

Also Published As

Publication number Publication date
JPS6058518B2 (en) 1985-12-20

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