JPS5437436A - Data bus fault diagnosis device for sequence controller - Google Patents
Data bus fault diagnosis device for sequence controllerInfo
- Publication number
- JPS5437436A JPS5437436A JP10270277A JP10270277A JPS5437436A JP S5437436 A JPS5437436 A JP S5437436A JP 10270277 A JP10270277 A JP 10270277A JP 10270277 A JP10270277 A JP 10270277A JP S5437436 A JPS5437436 A JP S5437436A
- Authority
- JP
- Japan
- Prior art keywords
- data bus
- fault diagnosis
- diagnosis device
- sequence controller
- bus fault
- 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
Links
Landscapes
- Testing And Monitoring For Control Systems (AREA)
- Control By Computers (AREA)
- Programmable Controllers (AREA)
- Small-Scale Networks (AREA)
Abstract
PURPOSE:To ensure an fault diagnosis for the data bus in an assured way through a simple constitution by giving a constant monitoring to the specified data for diagnosis obtained from other terminal during the dead period of the data bus in the fetch cycle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52102702A JPS6013592B2 (en) | 1977-08-29 | 1977-08-29 | Sequence controller data bus failure diagnosis device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52102702A JPS6013592B2 (en) | 1977-08-29 | 1977-08-29 | Sequence controller data bus failure diagnosis device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5437436A true JPS5437436A (en) | 1979-03-19 |
JPS6013592B2 JPS6013592B2 (en) | 1985-04-08 |
Family
ID=14334583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52102702A Expired JPS6013592B2 (en) | 1977-08-29 | 1977-08-29 | Sequence controller data bus failure diagnosis device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6013592B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH022402A (en) * | 1988-06-13 | 1990-01-08 | Fuji Electric Co Ltd | Programmable controller |
KR20170077175A (en) | 2014-12-05 | 2017-07-05 | 쇼와 덴코 가부시키가이샤 | Light control panel and optical imaging device |
-
1977
- 1977-08-29 JP JP52102702A patent/JPS6013592B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH022402A (en) * | 1988-06-13 | 1990-01-08 | Fuji Electric Co Ltd | Programmable controller |
KR20170077175A (en) | 2014-12-05 | 2017-07-05 | 쇼와 덴코 가부시키가이샤 | Light control panel and optical imaging device |
Also Published As
Publication number | Publication date |
---|---|
JPS6013592B2 (en) | 1985-04-08 |
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