- Open Somachine HVAC Connection and select M171P or M172P from the list.
- Click RS485-2 in Project window on the left side of computer screen.
- Select Modbus Master option.
- Drag and drop any of the listed device from the Catalog window on the right side of computer screen.
- If device is not listed then select Generic Modbus for standard modbus slave device. Enter the device address.
- Now select the function code "Modbus FC-XX" from the Catalog window depending upon application requirement.
Detailed step document for configuring M171P / M172P as master and take fetch data from slaves is given in attached document.