JPS5762413A - Programable control system - Google Patents
Programable control systemInfo
- Publication number
- JPS5762413A JPS5762413A JP13807580A JP13807580A JPS5762413A JP S5762413 A JPS5762413 A JP S5762413A JP 13807580 A JP13807580 A JP 13807580A JP 13807580 A JP13807580 A JP 13807580A JP S5762413 A JPS5762413 A JP S5762413A
- Authority
- JP
- Japan
- Prior art keywords
- controller
- input
- routine
- period
- output data
- 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
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/056—Programming the PLC
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/10—Plc systems
- G05B2219/13—Plc programming
- G05B2219/13153—Modification, change of program in real time
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
Abstract
PURPOSE:To facilitate the rewriting of the control program of a controller by directly accessing a memory in a controller other than one to which an input and output equipment is connected through a control line and a bus. CONSTITUTION:Scanning type programmable controllers #1 and #2 are linked to each other through a bus B for input and output data transfer and a control line ; the controller #1 connects with a control program input and output equipment PC and is provided with a synchronizing signal generator P separately. By a routine in a period D1, the programmable controller 1 and 2 scan input and output data and by a routine in a period D2 after it, the controller-to-controller transfer processing of the input and output data is performed. By a routine in a period D3 after it, the said input and output equipment PC is connected substantially to secure the time when operation is performed.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13807580A JPS5762413A (en) | 1980-10-02 | 1980-10-02 | Programable control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13807580A JPS5762413A (en) | 1980-10-02 | 1980-10-02 | Programable control system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5762413A true JPS5762413A (en) | 1982-04-15 |
Family
ID=15213373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13807580A Pending JPS5762413A (en) | 1980-10-02 | 1980-10-02 | Programable control system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5762413A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5972505A (en) * | 1982-09-21 | 1984-04-24 | ゼロツクス・コ−ポレ−シヨン | Control machine and system controller |
JPS6345604A (en) * | 1986-08-13 | 1988-02-26 | Mitsubishi Electric Corp | Composite controller |
JPH0290203A (en) * | 1988-09-27 | 1990-03-29 | Fuji Electric Co Ltd | Programmable controller |
-
1980
- 1980-10-02 JP JP13807580A patent/JPS5762413A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5972505A (en) * | 1982-09-21 | 1984-04-24 | ゼロツクス・コ−ポレ−シヨン | Control machine and system controller |
JPS6345604A (en) * | 1986-08-13 | 1988-02-26 | Mitsubishi Electric Corp | Composite controller |
JPH0290203A (en) * | 1988-09-27 | 1990-03-29 | Fuji Electric Co Ltd | Programmable controller |
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