JPS5663606A - Sequence control unit - Google Patents
Sequence control unitInfo
- Publication number
- JPS5663606A JPS5663606A JP13760479A JP13760479A JPS5663606A JP S5663606 A JPS5663606 A JP S5663606A JP 13760479 A JP13760479 A JP 13760479A JP 13760479 A JP13760479 A JP 13760479A JP S5663606 A JPS5663606 A JP S5663606A
- Authority
- JP
- Japan
- Prior art keywords
- search
- program
- stored
- control system
- decided
- 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
- Control By Computers (AREA)
- Programmable Controllers (AREA)
Abstract
PURPOSE: To make it possible to not only elevate the utilization factor of the memory part but also perform a high speed execution processing, by storing in advance the head step of each program for search, before executing each program.
CONSTITUTION: When the start switch 121 is pushed, the head step 0 of the setting element memory 1 is selected by the first pulse generated from the clock generating circuit 3. The part which has stored the control system is input to the control system decision circuit 8, and it is decided. In this case, "0" is output in accordance with the sequence control program. In the next place, in case when the step N1 has been selected, since it is a cyclic control, the result 1 which has been decided by the control system decision circuit 8 is output, the step N1 is stored in the register of the search part 11. In this way, each head step of the cyclic control programs which have been optionally arranged in stored in the register of the search part 11. When said operation has been finished, the start switch is turned off. When search of the cyclic control program has been finished, it is shifted to the regular processing operation.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13760479A JPS5663606A (en) | 1979-10-26 | 1979-10-26 | Sequence control unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13760479A JPS5663606A (en) | 1979-10-26 | 1979-10-26 | Sequence control unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5663606A true JPS5663606A (en) | 1981-05-30 |
JPS6112283B2 JPS6112283B2 (en) | 1986-04-07 |
Family
ID=15202570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13760479A Granted JPS5663606A (en) | 1979-10-26 | 1979-10-26 | Sequence control unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5663606A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5866114A (en) * | 1981-10-15 | 1983-04-20 | Mitsubishi Electric Corp | Programmable controller |
JPS59205605A (en) * | 1983-05-07 | 1984-11-21 | Hitachi Ltd | Sequence controller |
JPS6039203A (en) * | 1983-08-12 | 1985-03-01 | Idec Izumi Corp | Programmable controller |
EP0166391A2 (en) * | 1984-06-22 | 1986-01-02 | Hitachi, Ltd. | Sequence controller |
JPS62179603U (en) * | 1986-04-30 | 1987-11-14 |
-
1979
- 1979-10-26 JP JP13760479A patent/JPS5663606A/en active Granted
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5866114A (en) * | 1981-10-15 | 1983-04-20 | Mitsubishi Electric Corp | Programmable controller |
JPS59205605A (en) * | 1983-05-07 | 1984-11-21 | Hitachi Ltd | Sequence controller |
JPH0561646B2 (en) * | 1983-05-07 | 1993-09-06 | Hitachi Ltd | |
JPS6039203A (en) * | 1983-08-12 | 1985-03-01 | Idec Izumi Corp | Programmable controller |
EP0166391A2 (en) * | 1984-06-22 | 1986-01-02 | Hitachi, Ltd. | Sequence controller |
EP0166391B1 (en) * | 1984-06-22 | 1990-09-05 | Hitachi, Ltd. | Sequence controller |
JPS62179603U (en) * | 1986-04-30 | 1987-11-14 |
Also Published As
Publication number | Publication date |
---|---|
JPS6112283B2 (en) | 1986-04-07 |
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