How to use HMIPSPS752D1X01 COM2 for RS485 MODBUS RTU communication?

1.Please remove the HDD and check the DIP switch setting, we can refer to the information in the following picture.

The default setting of COM2 is RS-485/422.

2.After setting the DIP switch to RS485 mode, please enable "RS485 Auto Flow" in BIOS.

3.HMIPSPS752D1X01 is a product of Easy Line Harmony Panel iPC. The port definition of HMIPSPS752D1X01 is different with HMIPSP S-Panel PCs, so user can’t refer to the manual of HMIPSP S-Panel PCs.

Here is the Pin connection of HMIPSPS752D1X01 COM2, user can connect to Pin 3 and Pin7 for RS485 Modbus RTU communication.

Publicado para:Schneider Electric España