JPS5672703A - Programmable controller equipped with contact logic circuit reader - Google Patents
Programmable controller equipped with contact logic circuit readerInfo
- Publication number
- JPS5672703A JPS5672703A JP14978379A JP14978379A JPS5672703A JP S5672703 A JPS5672703 A JP S5672703A JP 14978379 A JP14978379 A JP 14978379A JP 14978379 A JP14978379 A JP 14978379A JP S5672703 A JPS5672703 A JP S5672703A
- Authority
- JP
- Japan
- Prior art keywords
- logic
- contact
- contact logic
- memory
- crt
- 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
- Programmable Controllers (AREA)
Abstract
PURPOSE: To decode a multicontact logic figure displayed on CRT by using simple micro CPU by tracing the contact logic circuit, composed of contact logic elements, by shifting the address according to the functions of the contact logic elements.
CONSTITUTION: Contact logic to be executed is inputted on keyboard KB and stored in contact logic memory M1. The contents of this memory M1 are converted into a two-dimensional matrix, which is displayed on CRT. When start button BS1 is depressed after it is confirmed that the contact logic has no error, CPU executes the logic decoding program stored in contact logic decoding program memory device M2 according to the flow. In this case, CPU reads instruction codes and operands out of memory M1 and updates the contents of logic result device CT in sequence. Thus, the multicontact logic figure displayed on CRT can be decoded by using simple micro CPU.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14978379A JPS5672703A (en) | 1979-11-19 | 1979-11-19 | Programmable controller equipped with contact logic circuit reader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14978379A JPS5672703A (en) | 1979-11-19 | 1979-11-19 | Programmable controller equipped with contact logic circuit reader |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5672703A true JPS5672703A (en) | 1981-06-17 |
| JPH0123801B2 JPH0123801B2 (en) | 1989-05-09 |
Family
ID=15482612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14978379A Granted JPS5672703A (en) | 1979-11-19 | 1979-11-19 | Programmable controller equipped with contact logic circuit reader |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5672703A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57141709A (en) * | 1981-02-27 | 1982-09-02 | Nissan Motor Co Ltd | Operation processor for sequence controller |
| JPS58140811A (en) * | 1982-02-17 | 1983-08-20 | Toshiba Mach Co Ltd | Controllable and programmable sequence controller using branch symbol |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472384A (en) * | 1977-11-18 | 1979-06-09 | Nissan Motor Co Ltd | Sequence controller |
-
1979
- 1979-11-19 JP JP14978379A patent/JPS5672703A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5472384A (en) * | 1977-11-18 | 1979-06-09 | Nissan Motor Co Ltd | Sequence controller |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57141709A (en) * | 1981-02-27 | 1982-09-02 | Nissan Motor Co Ltd | Operation processor for sequence controller |
| JPH0321923B2 (en) * | 1981-02-27 | 1991-03-25 | Nitsusan Jidosha Kk | |
| JPS58140811A (en) * | 1982-02-17 | 1983-08-20 | Toshiba Mach Co Ltd | Controllable and programmable sequence controller using branch symbol |
| JPH0119167B2 (en) * | 1982-02-17 | 1989-04-10 | Toshiba Machine Co Ltd |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0123801B2 (en) | 1989-05-09 |
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