GB2177521B - Programmable logic controller system for hazardous environment - Google Patents
Programmable logic controller system for hazardous environmentInfo
- Publication number
- GB2177521B GB2177521B GB8616224A GB8616224A GB2177521B GB 2177521 B GB2177521 B GB 2177521B GB 8616224 A GB8616224 A GB 8616224A GB 8616224 A GB8616224 A GB 8616224A GB 2177521 B GB2177521 B GB 2177521B
- Authority
- GB
- United Kingdom
- Prior art keywords
- programmable logic
- logic controller
- controller system
- hazardous environment
- hazardous
- 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
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
- G05B19/056—Programming the PLC
-
- 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
- G05B2219/13—Plc programming
- G05B2219/13013—Transferring ram to eprom see also prom burning
-
- 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
- G05B2219/13—Plc programming
- G05B2219/13152—Modification of program
-
- 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
- G05B2219/13—Plc programming
- G05B2219/13171—Portable, detachable programming unit
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB858517155A GB8517155D0 (en) | 1985-07-05 | 1985-07-05 | Programmable logic controller system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8616224D0 GB8616224D0 (en) | 1986-08-13 |
GB2177521A GB2177521A (en) | 1987-01-21 |
GB2177521B true GB2177521B (en) | 1989-07-12 |
Family
ID=10581903
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB858517155A Pending GB8517155D0 (en) | 1985-07-05 | 1985-07-05 | Programmable logic controller system |
GB8616224A Expired GB2177521B (en) | 1985-07-05 | 1986-07-03 | Programmable logic controller system for hazardous environment |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB858517155A Pending GB8517155D0 (en) | 1985-07-05 | 1985-07-05 | Programmable logic controller system |
Country Status (4)
Country | Link |
---|---|
CN (1) | CN1006829B (en) |
AU (1) | AU583395B2 (en) |
GB (2) | GB8517155D0 (en) |
IN (1) | IN167794B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2585611B1 (en) * | 1985-08-02 | 1987-11-20 | Charbonnages De France | MODULAR PLC, PREFERABLY PROGRAMMABLE, ESPECIALLY FOR MINING MACHINERY |
GB8620947D0 (en) * | 1986-08-29 | 1986-10-08 | Imi Pactrol | Electronic programmable logic & timing device |
IT1266491B1 (en) * | 1993-09-13 | 1996-12-30 | Fase Spa | PERFECTED DEVICE FOR WELDING CONTROL. |
JPH11249725A (en) * | 1998-02-26 | 1999-09-17 | Fanuc Ltd | Robot controller |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1384408A (en) * | 1971-09-13 | 1975-02-19 | Allen Bradley Co | Programmers for controllers |
US4019175A (en) * | 1974-04-18 | 1977-04-19 | Toyoda Koki Kabushiki Kaisha | Program changeable sequence controller |
GB2079492A (en) * | 1980-06-25 | 1982-01-20 | Yokogawa Electric Works Ltd | Programmable controller |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4274207A (en) * | 1980-07-07 | 1981-06-23 | Illinois Tool Works Inc. | Differential checking head |
-
1985
- 1985-07-05 GB GB858517155A patent/GB8517155D0/en active Pending
-
1986
- 1986-07-01 AU AU59435/86A patent/AU583395B2/en not_active Ceased
- 1986-07-02 IN IN511/MAS/86A patent/IN167794B/en unknown
- 1986-07-03 GB GB8616224A patent/GB2177521B/en not_active Expired
- 1986-07-05 CN CN 86104644 patent/CN1006829B/en not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1384408A (en) * | 1971-09-13 | 1975-02-19 | Allen Bradley Co | Programmers for controllers |
US4019175A (en) * | 1974-04-18 | 1977-04-19 | Toyoda Koki Kabushiki Kaisha | Program changeable sequence controller |
GB2079492A (en) * | 1980-06-25 | 1982-01-20 | Yokogawa Electric Works Ltd | Programmable controller |
Also Published As
Publication number | Publication date |
---|---|
CN1006829B (en) | 1990-02-14 |
GB8517155D0 (en) | 1985-08-14 |
CN86104644A (en) | 1987-03-25 |
AU583395B2 (en) | 1989-04-27 |
GB8616224D0 (en) | 1986-08-13 |
IN167794B (en) | 1990-12-22 |
AU5943586A (en) | 1987-01-08 |
GB2177521A (en) | 1987-01-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19960703 |