CA935515A - Interface circuit for industrial control systems - Google Patents
Interface circuit for industrial control systemsInfo
- Publication number
- CA935515A CA935515A CA096494A CA96494A CA935515A CA 935515 A CA935515 A CA 935515A CA 096494 A CA096494 A CA 096494A CA 96494 A CA96494 A CA 96494A CA 935515 A CA935515 A CA 935515A
- Authority
- CA
- Canada
- Prior art keywords
- interface circuit
- control systems
- industrial control
- industrial
- systems
- 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
-
- 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
- H03K19/0175—Coupling arrangements; Interface arrangements
- H03K19/018—Coupling arrangements; Interface arrangements using bipolar transistors only
- H03K19/01825—Coupling arrangements, impedance matching 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Electronic Switches (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1276970A | 1970-02-19 | 1970-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA935515A true CA935515A (en) | 1973-10-16 |
Family
ID=21756597
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA096494A Expired CA935515A (en) | 1970-02-19 | 1970-10-26 | Interface circuit for industrial control systems |
Country Status (2)
Country | Link |
---|---|
US (1) | US3643115A (en) |
CA (1) | CA935515A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3787738A (en) * | 1972-09-28 | 1974-01-22 | Us Army | Pulse producing circuit |
US4065683A (en) * | 1974-06-12 | 1977-12-27 | Square D Company | Circuitry for industrial logic systems |
DE2950979C2 (en) * | 1978-12-19 | 1995-11-16 | Allen Bradley Co | Numerical control system |
DE2954696C2 (en) * | 1978-12-19 | 1995-11-23 | Allen Bradley Co | Numerical control system for machine tool |
US4291388A (en) * | 1978-12-20 | 1981-09-22 | Allen-Bradley Company | Programmable controller with data archive |
US4404651A (en) * | 1981-03-09 | 1983-09-13 | Allen-Bradley Company | Programmable controller for using coded I/O data technique |
-
1970
- 1970-02-19 US US12769A patent/US3643115A/en not_active Expired - Lifetime
- 1970-10-26 CA CA096494A patent/CA935515A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3643115A (en) | 1972-02-15 |
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