JPS5764807A - Programmable logic controller - Google Patents
Programmable logic controllerInfo
- Publication number
- JPS5764807A JPS5764807A JP55139571A JP13957180A JPS5764807A JP S5764807 A JPS5764807 A JP S5764807A JP 55139571 A JP55139571 A JP 55139571A JP 13957180 A JP13957180 A JP 13957180A JP S5764807 A JPS5764807 A JP S5764807A
- Authority
- JP
- Japan
- Prior art keywords
- relays
- program
- execute
- test operation
- time
- 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
- 238000005259 measurement Methods 0.000 abstract 1
- 230000003252 repetitive effect Effects 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1181—Detection of I-O faults, shut down of I-O
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14074—Signature analysis, recorded states, zones are compared to actual
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55139571A JPS5764807A (en) | 1980-10-06 | 1980-10-06 | Programmable logic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55139571A JPS5764807A (en) | 1980-10-06 | 1980-10-06 | Programmable logic controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5764807A true JPS5764807A (en) | 1982-04-20 |
| JPH0152762B2 JPH0152762B2 (OSRAM) | 1989-11-10 |
Family
ID=15248362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55139571A Granted JPS5764807A (en) | 1980-10-06 | 1980-10-06 | Programmable logic controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5764807A (OSRAM) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59111507A (ja) * | 1982-12-17 | 1984-06-27 | Mitsubishi Electric Corp | シ−ケンスモニタ装置 |
| JPS6063611A (ja) * | 1983-09-16 | 1985-04-12 | Inoue Japax Res Inc | 数値制御電気加工装置 |
| EP0487117A3 (en) * | 1985-07-19 | 1992-10-21 | Rodger T. Lovrenich | A distributed logic control system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50156167A (OSRAM) * | 1974-06-10 | 1975-12-17 |
-
1980
- 1980-10-06 JP JP55139571A patent/JPS5764807A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50156167A (OSRAM) * | 1974-06-10 | 1975-12-17 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59111507A (ja) * | 1982-12-17 | 1984-06-27 | Mitsubishi Electric Corp | シ−ケンスモニタ装置 |
| JPS6063611A (ja) * | 1983-09-16 | 1985-04-12 | Inoue Japax Res Inc | 数値制御電気加工装置 |
| EP0487117A3 (en) * | 1985-07-19 | 1992-10-21 | Rodger T. Lovrenich | A distributed logic control system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0152762B2 (OSRAM) | 1989-11-10 |
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