FR2808631B1 - LOGIC INPUT DEVICE FOR A PLC - Google Patents
LOGIC INPUT DEVICE FOR A PLCInfo
- Publication number
- FR2808631B1 FR2808631B1 FR0005659A FR0005659A FR2808631B1 FR 2808631 B1 FR2808631 B1 FR 2808631B1 FR 0005659 A FR0005659 A FR 0005659A FR 0005659 A FR0005659 A FR 0005659A FR 2808631 B1 FR2808631 B1 FR 2808631B1
- Authority
- FR
- France
- Prior art keywords
- plc
- input device
- logic input
- logic
- input
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/007—Fail-safe circuits
-
- 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
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- 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
- G05B19/054—Input/output
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Logic Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0005659A FR2808631B1 (en) | 2000-05-03 | 2000-05-03 | LOGIC INPUT DEVICE FOR A PLC |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0005659A FR2808631B1 (en) | 2000-05-03 | 2000-05-03 | LOGIC INPUT DEVICE FOR A PLC |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2808631A1 FR2808631A1 (en) | 2001-11-09 |
FR2808631B1 true FR2808631B1 (en) | 2002-07-19 |
Family
ID=8849852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR0005659A Expired - Lifetime FR2808631B1 (en) | 2000-05-03 | 2000-05-03 | LOGIC INPUT DEVICE FOR A PLC |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2808631B1 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2510845A1 (en) * | 1981-07-31 | 1983-02-04 | Omera Segid | LOGIC SAFETY CIRCUITS USED IN PARTICULAR IN RAILWAY SIGNALING AND ELECTRONIC PROCESSING BOX, OR AUTOMATION INCORPORATING AT LEAST ONE OF THESE CIRCUITS |
DE3342709C2 (en) * | 1983-11-23 | 1986-09-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Arrangement for the signal-technically safe conversion of a fail-safe AC voltage signal into a fail-safe DC voltage signal |
-
2000
- 2000-05-03 FR FR0005659A patent/FR2808631B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2808631A1 (en) | 2001-11-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licences | ||
PLFP | Fee payment |
Year of fee payment: 17 |
|
PLFP | Fee payment |
Year of fee payment: 18 |
|
PLFP | Fee payment |
Year of fee payment: 19 |
|
PLFP | Fee payment |
Year of fee payment: 20 |