JPS569803A - Sequence controller - Google Patents
Sequence controllerInfo
- Publication number
- JPS569803A JPS569803A JP8396979A JP8396979A JPS569803A JP S569803 A JPS569803 A JP S569803A JP 8396979 A JP8396979 A JP 8396979A JP 8396979 A JP8396979 A JP 8396979A JP S569803 A JPS569803 A JP S569803A
- Authority
- JP
- Japan
- Prior art keywords
- input
- information
- memory register
- input memory
- sequence controller
- 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.)
- Pending
Links
Landscapes
- Programmable Controllers (AREA)
Abstract
PURPOSE: To increase an arithmetic processing speed by arranging an input memory register inside or near a main sequence controller body and by fetching information on the logical state of a desired input equipment from the input memory register.
CONSTITUTION: Parallel-input and series-output type shift register SR fetches information on the logical states of input equipments I0, I1, I2...In and it is stored in input memory register IMR being converted into series information. Then, this input memory register IMR is arranged inside or near main sequence control body CPU and in stationary operation, sequence controller body CPU receives the information on the logical state of a desired input equipment from input memory register IMR. Consequently, the propagation delay time of a signal accompanying the information input can be shortened and the arithmetic processing speed also increases.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8396979A JPS569803A (en) | 1979-07-04 | 1979-07-04 | Sequence controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8396979A JPS569803A (en) | 1979-07-04 | 1979-07-04 | Sequence controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS569803A true JPS569803A (en) | 1981-01-31 |
Family
ID=13817361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8396979A Pending JPS569803A (en) | 1979-07-04 | 1979-07-04 | Sequence controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS569803A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01106105A (en) * | 1987-10-17 | 1989-04-24 | Matsushita Electric Works Ltd | Sequence controller |
-
1979
- 1979-07-04 JP JP8396979A patent/JPS569803A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01106105A (en) * | 1987-10-17 | 1989-04-24 | Matsushita Electric Works Ltd | Sequence controller |
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