(24V)20 Channel Relay Control Board RS485 Relay Expansion Module DIN Rail New

COMMAND MODE: Support standard commands, command 1 (default) write 06/16 read 03, command 2 (solder M0 jumper) write 05/06/15/16 read 01/02/03/04. Standby Current: All relays off 14MA, 1 relay on 40MA, 2 relays on 69MA, 3 relays on 95MA, 4 relays on 122MA, 5 relays on 149MA, 6 relays on 174MA, 7 relays on 200MA, 8 relays turn on 226MA, and so on.

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