Specification:

1.Board Size:73*15mm

2.Functuon:Testing whether AC 220V is existed

3.Ouput TTL Level:can use SCM to test,voltage is 3-5V

4.Adaptive to PLC 24V level

Product Introduction:

• Output 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
• Blue 2P 5.0 terminal connected to 220V voltage
• 3P terminal connected to the microcontroller input.