3 5V | Can also access PLC24V |
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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 |
5pcs 1-Bit AC 220V Optocoupler Isolation Module Voltage Detect Board Adaptive 3-5V PLC Isolamento Fotoaccoppiatore Module - Products That Work with Official Boards Review
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