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1-Channel Optocoupler Isolation Module Voltage Detection 220V AC
SKU: TTLAC220
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1-Channel 220V AC optocoupler detection module.
Function: can be used to detect the presence of 220V ACOutput TTL level can be detected with the microcontroller. The power supply can be 3-5V
Can also access PLC24V level. Then the PLC input terminal of the PLC COM power supply 24V input termination of the board signal output OUT, optocoupler board GND power negative.
Green 2P 5.0 terminal connected to 220V voltage, 3P terminal connected to the microcontroller input.
Function: can be used to detect the presence of 220V ACOutput TTL level can be detected with the microcontroller. The power supply can be 3-5V
Can also access PLC24V level. Then the PLC input terminal of the PLC COM power supply 24V input termination of the board signal output OUT, optocoupler board GND power negative.
Green 2P 5.0 terminal connected to 220V voltage, 3P terminal connected to the microcontroller input.
- Board Size:73*15mm
- Functuon:Testing whether AC 220V is existed
- Ouput TTL Level:can use SCM to test,voltage is 3-5V
- Adaptive to PLC 24V level
If output to PIC, it is recommend require up to 5mA current for external logical circuits