JPS57152009A - Sequence control circuit - Google Patents
Sequence control circuitInfo
- Publication number
- JPS57152009A JPS57152009A JP3742281A JP3742281A JPS57152009A JP S57152009 A JPS57152009 A JP S57152009A JP 3742281 A JP3742281 A JP 3742281A JP 3742281 A JP3742281 A JP 3742281A JP S57152009 A JPS57152009 A JP S57152009A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- ram2
- control information
- information
- time information
- 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
Classifications
-
- 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
- G05B19/045—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using logic state machines, consisting only of a memory or a programmable logic device containing the logic for the controlled machine and in which the state of its outputs is dependent on the state of its inputs or part of its own output states, e.g. binary decision controllers, finite state controllers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
Abstract
PURPOSE:To obtain a circuit with general-purpose in a simple constitution, by writing time information accompanied with control information in an RAM, comparing the time information with a time code by a clock signal and outputting the control information from the RAM when they are coincident. CONSTITUTION:A microprogram control circuit 1 sequentially stores a plurality of words consisting of arbitrary and plurality sets of control information and accompanied time information to an address of an RAM2 indicated with an address register 3. Next, the circuit 1 starts a time code generating circuit 4 and reads out the control information and the time information sequentially from the RAM2. The time information read from the RAM2 is converted into the time code at a converting circuit 8. The outputs of the circuits 8 and 4 are compared at a comparison circuit 5, and when they are coincident, the circuit 5 informs it a readout register 6, and a plurality of sets of control information is set to the register 6 in the timing from the RAM2 and a control signal is outputted to an external circuit OUT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3742281A JPS57152009A (en) | 1981-03-16 | 1981-03-16 | Sequence control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3742281A JPS57152009A (en) | 1981-03-16 | 1981-03-16 | Sequence control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57152009A true JPS57152009A (en) | 1982-09-20 |
Family
ID=12497080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3742281A Pending JPS57152009A (en) | 1981-03-16 | 1981-03-16 | Sequence control circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57152009A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01106135A (en) * | 1987-10-19 | 1989-04-24 | Sony Corp | Timing output circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54109590A (en) * | 1978-02-17 | 1979-08-28 | Hitachi Ltd | Sequence control information generating circuit |
| JPS5528135A (en) * | 1978-08-15 | 1980-02-28 | Matsushita Electric Ind Co Ltd | Cycle timer unit |
-
1981
- 1981-03-16 JP JP3742281A patent/JPS57152009A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54109590A (en) * | 1978-02-17 | 1979-08-28 | Hitachi Ltd | Sequence control information generating circuit |
| JPS5528135A (en) * | 1978-08-15 | 1980-02-28 | Matsushita Electric Ind Co Ltd | Cycle timer unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01106135A (en) * | 1987-10-19 | 1989-04-24 | Sony Corp | Timing output circuit |
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