Description
1 Channel 220V AC optocoupler module / 220V optocoupler isolation / 220V voltage detection can be connected to PLC
1 way 220V AC optocoupler detection module
Function: can be used to detect the presence of 220V AC
The output TTL level can be detected by a microcontroller. The power supply can be 3-5V
Can also be connected to PLC24V level
