| 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. |
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NOTE:
| When practicable, you can not touch any device in the white wire frame on the board after power is applied to the module, Because it is high voltage. |
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