JPS5694403A - Interface unit for sequence control - Google Patents
Interface unit for sequence controlInfo
- Publication number
- JPS5694403A JPS5694403A JP17092479A JP17092479A JPS5694403A JP S5694403 A JPS5694403 A JP S5694403A JP 17092479 A JP17092479 A JP 17092479A JP 17092479 A JP17092479 A JP 17092479A JP S5694403 A JPS5694403 A JP S5694403A
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- signal
- interface unit
- generating part
- 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 simplify the fitting work to the mechanical device and the maintenance work, by constituting the unit, which controls the interface between the bus line and each I/O element, by a signal converting part, an address identifying part, a power amplifying part, a clear signal generating part, and so on.
CONSTITUTION: Interface unit iFU to be connected to bus is constituted as follows; the input signal from input element 114 is applied to signal converting circuit 101, which processes the signal on line BL, through signal converting part 101A and NAND gate 112, and the output of circuit 101 is branched and is applied to inverter 108, counter 102, and clear signal generating part 105, and the output of inverter 108 is transmitted to output element 113 through latch circuit 109 and power amplifier 110, and at this time, the output of counter 102 controlled by generating part 105 is compared with the output of I/O address setting equipment 104 by comparator 103, and the comparison value is latched in circuit 109 through delay circuit 106.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17092479A JPS5694403A (en) | 1979-12-27 | 1979-12-27 | Interface unit for sequence control |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17092479A JPS5694403A (en) | 1979-12-27 | 1979-12-27 | Interface unit for sequence control |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5694403A true JPS5694403A (en) | 1981-07-30 |
Family
ID=15913871
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17092479A Pending JPS5694403A (en) | 1979-12-27 | 1979-12-27 | Interface unit for sequence control |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5694403A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60252910A (en) * | 1984-05-30 | 1985-12-13 | Mitsubishi Electric Corp | Process input circuit of programmable controller |
-
1979
- 1979-12-27 JP JP17092479A patent/JPS5694403A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60252910A (en) * | 1984-05-30 | 1985-12-13 | Mitsubishi Electric Corp | Process input circuit of programmable controller |
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