JPS5580109A - Signal output circuit - Google Patents
Signal output circuitInfo
- Publication number
- JPS5580109A JPS5580109A JP15513278A JP15513278A JPS5580109A JP S5580109 A JPS5580109 A JP S5580109A JP 15513278 A JP15513278 A JP 15513278A JP 15513278 A JP15513278 A JP 15513278A JP S5580109 A JPS5580109 A JP S5580109A
- Authority
- JP
- Japan
- Prior art keywords
- signal output
- output terminal
- diode bridge
- bridge circuit
- inv
- 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 control a two-way flow of current by connecting a contactless switching element such as a contactless transistor between a signal output terminal and common output terminal via a diode bridge circuit.
CONSTITUTION: Signal output circuit 30 of external equipment 1 is provided with several signal output terminals D01...D0n and one common terminal COMO. Then, several ON-OFF signals outputted from arithmetic control part 10 are latched 31 and those ON-OFF output signals allow LEDINV1...INVn to come ON-OFF via inverters INV1...INVn. Further, LEDs P1...Pn emit light to supply a signal to a diode bridge circuit by way of photo detecting elements TrPTR1...TrPTRn. Consequently, a contactless switching element is connected between a signal output terminal and common output terminal via the diode bridge circuit to exercise control over a two-way flow of current.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15513278A JPS5580109A (en) | 1978-12-12 | 1978-12-12 | Signal output circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15513278A JPS5580109A (en) | 1978-12-12 | 1978-12-12 | Signal output circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5580109A true JPS5580109A (en) | 1980-06-17 |
Family
ID=15599245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15513278A Pending JPS5580109A (en) | 1978-12-12 | 1978-12-12 | Signal output circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5580109A (en) |
-
1978
- 1978-12-12 JP JP15513278A patent/JPS5580109A/en active Pending
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