### Settings of External Device

Use the SoMachine Basic software for the External Device to define its communication settings. Please refer to the External Device manual for more details.

1. Start SoMachine Basic and create a new project.

2. Select CPU and drag and drop to the settings screen.

3. From the hardware tree in the [Configuration] tab, select the Serial line to use.

4. Enter the following settings and click [Apply].

   Setup Items | Setup Description
   --- | ---
   Protocol | Modbus
   Baud rate | 115200
   Parity | Even
   Stop bits | 1
   Physical medium | RS-485

5. From the hardware tree in the [Configuration] tab, select [Modbus].

6. Enter the following settings and click [Apply].

   Setup Items | Setup Description
   --- | ---
   Device | None
   Transmission mode | RTU
   Addressing | Slave
   Address | 1
   Response timeout (x 100 ms) | 10
   Time between frames (ms) | 10

NOTE

- Use an integer from 1 to 247 to enter the unit ID of the External Device.