Relay Module Input And Output Communication

Product information:

Output section: Relay: NC (normally closed) COM (common foot) N0 (normally open) Relay connected to the load: the maximum parameters 220V 10A recommended below 220V 6A. Relay is just a switch off and on, without any voltage output. Can only send commands through 485 communication to control the relay to open and close.
Input section: IN connected to the switch or voltage signal (3V – 30V)

Function:
One: Set the device address
Two: read the device address
Three: read all IN input status (only for the address, can not be read in broadcast mode)
Four: read all relay closure status (only for the address, can not be read in broadcast mode)
Five: read the device software and hardware version number
Six: relay operation on and off and LED switch
Seven: all relays open and close
Eight: Relay and input IN associated operation

Packing list:

Relay Modules*1

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