JPS55962A - Programmable sequence controller - Google Patents
Programmable sequence controllerInfo
- Publication number
- JPS55962A JPS55962A JP7451178A JP7451178A JPS55962A JP S55962 A JPS55962 A JP S55962A JP 7451178 A JP7451178 A JP 7451178A JP 7451178 A JP7451178 A JP 7451178A JP S55962 A JPS55962 A JP S55962A
- Authority
- JP
- Japan
- Prior art keywords
- instruction
- instructions
- arithmetic
- sequence
- μpg
- 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 make it possible to constitute all sequence instruction including arithmetic instructions into one word by performing processes with microprogram μPG provided with instructions except mode instruction setting an arithmetic function, as to CPU on a μPG system.
CONSTITUTION: This controller consists of input-output point 13 meeting an external apparatus, memory unit 12 stored with data and sequence instructions, and μPG system CPU11 executing sequence arithmetic, and each sequence instruction is composed of one word of instruction part 41 and operand part 42. Then, μPG is provided with mode instructions for setting arithmetic functions, operand setting instructions, operator setting instructions, and arithmetic-result storage instructions, and an object to be set by each instruction is the operand part. When the mode instruction is sent, operand part 42 is temproarily stored in CPU11 and the stored arithmetic function is executed on receiving the operator setting instruction. Consequently, various arithmetic operations become possible by one-ward constitution without increasing the number of bits of any one of sequence instruction parts.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7451178A JPS55962A (en) | 1978-06-20 | 1978-06-20 | Programmable sequence controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7451178A JPS55962A (en) | 1978-06-20 | 1978-06-20 | Programmable sequence controller |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55962A true JPS55962A (en) | 1980-01-07 |
Family
ID=13549416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7451178A Pending JPS55962A (en) | 1978-06-20 | 1978-06-20 | Programmable sequence controller |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55962A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63183565U (en) * | 1987-05-19 | 1988-11-25 |
-
1978
- 1978-06-20 JP JP7451178A patent/JPS55962A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63183565U (en) * | 1987-05-19 | 1988-11-25 | ||
JPH058527Y2 (en) * | 1987-05-19 | 1993-03-03 |
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