MODPORT is a field I/O product with low price. It is possible to connect with CODESYS. MODPORT field I/O

Connect MODPORT to RS485 port of ComfilePi.

1. Add Modbus_COM, Modbus_Master, Modbus_Slave.

2. Edit properties.

3. Check Slave Address in Slave Setting.

4. Add channels. i use 8 DC input (DIDC8) and 8 Relay Output (DORL8).

Refer MODBUS address.

5. Edit Ladder diagram. Connect Variable to Direct Address.

Check the result as a video

Download project file: modportsample.zip

CODESYS with the ComfilePi