JPS637716B2 - - Google Patents
Info
- Publication number
- JPS637716B2 JPS637716B2 JP7365281A JP7365281A JPS637716B2 JP S637716 B2 JPS637716 B2 JP S637716B2 JP 7365281 A JP7365281 A JP 7365281A JP 7365281 A JP7365281 A JP 7365281A JP S637716 B2 JPS637716 B2 JP S637716B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- relay contact
- signal line
- terminal device
- circuit
- 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
Links
- 238000012544 monitoring process Methods 0.000 claims description 57
- 238000012423 maintenance Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005856 abnormality Effects 0.000 description 2
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C25/00—Arrangements for preventing or correcting errors; Monitoring arrangements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Safety Devices In Control Systems (AREA)
- Selective Calling Equipment (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7365281A JPS57188192A (en) | 1981-05-15 | 1981-05-15 | Remote monitoring and controlling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7365281A JPS57188192A (en) | 1981-05-15 | 1981-05-15 | Remote monitoring and controlling device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57188192A JPS57188192A (en) | 1982-11-19 |
JPS637716B2 true JPS637716B2 (US07943777-20110517-C00090.png) | 1988-02-18 |
Family
ID=13524427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7365281A Granted JPS57188192A (en) | 1981-05-15 | 1981-05-15 | Remote monitoring and controlling device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57188192A (US07943777-20110517-C00090.png) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0452610U (US07943777-20110517-C00090.png) * | 1990-09-07 | 1992-05-06 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0427266Y2 (US07943777-20110517-C00090.png) * | 1986-06-18 | 1992-06-30 | ||
JP2984965B2 (ja) * | 1993-05-31 | 1999-11-29 | 株式会社日立製作所 | ディジタル制御装置 |
-
1981
- 1981-05-15 JP JP7365281A patent/JPS57188192A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0452610U (US07943777-20110517-C00090.png) * | 1990-09-07 | 1992-05-06 |
Also Published As
Publication number | Publication date |
---|---|
JPS57188192A (en) | 1982-11-19 |
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