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

Use the switch on the CPU unit for communication settings. SIO type will be set to RS232C (Procedure 2) by entering C000(H) in the address WRF037 with the ladder software (LADDER EDITOR for Windows). After communication settings, turn ON the power of the External Device again to enable the setting. Please refer to the manual of the External Device for more details.

##### Mode Setting Switch

DIP Switch | Settings | Description
SW03 | ON | Port 1 Transmission Speed: 19,200 bps
SW04 | OFF
SW05 | ON | Port 1 Operation: Specified port

NOTE

- Other transmission speed settings are shown below.

  SW03 | SW04 | SW05 | Transmission Speed
  ON | ON | ON | 4,800 bps
  OFF | ON | ON | 9,600 bps
  OFF | OFF | ON | 38,400 bps