### Settings of External Device (Serial port on the CPU unit)

Use the programming software (Control Editor) for communication settings. Please refer to the manual of the External Device for more details.

##### Procedure

1. Start the programming software and create the project. The project is displayed in the offline mode.

2. Select [Editor Communication Setting] from the [Tool] menu to display the communication setting dialog box.

3. Select either "USB" or "Serial" for the communication method to transfer the communication setting to the External Device and click [Setting].

4. Use the USB cable or serial cable (by Hitachi IES Co., Ltd.) to connect PC to the External Device.

5. Select [Mode Change] - [Online] from the [Online] menu to move to the online mode.

6. Select [CPU Settings] - [Serial Communication Settings] from the [Tool] menu to perform the communication settings.

- CPU Communication Settings (Serial Communication Settings)

  Setup Items | Settings
  Serial Communication Settings | Specified
  Port Type | RS422/RS485
  Speed | 19.2 kbps
  Communication Procedure | Procedure 1 (1:n)*1
  Station No. | Enter the Station No. set on the display.*2

  *1To use Procedure 2 for communication, select [Procedure 2 (1:n)].

  *2If you set the Station No. to "None", communication is not available.

7. Turn ON the power of the External Device again.