2 IN1 12 DIO Ethernet/RS485 Relay Switch Module Modbus RTU PLC Expansion Board
ab 53,54 €
5: MODBUS RTU command, support 03 06 16 function code. Delay: input the delay command, the receiver relay is turned on, after a delay of 0-9999 seconds (MODBUS command is 0-255 seconds), the relay is closed;.
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