12V Multifunctional Serial Relay Module PLC Controller RS485,Default NO

Specifications:

1. Working voltage: DC12V

2. Working current: Standby 11-13MA, 1 relay turns on 44MA

3. Open, close, jog, self-lock, interlock, delay six working modes

4. AT command and MODBUS command two command control modes

5. The maximum delay is 9999 seconds under the AT command, and the maximum delay is 255 seconds under the MODBUS command.

6. The AT command can be input by the serial port super terminal (serial port assistant); in addition to the serial port super terminal input, the MODBUS command can also be input with \"Modbus Poll\".

7. MODBUS command mode can support up to 32 devices in parallel

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