### 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 1) by entering 8000(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
SW06 | OFF | Port 2 Transmission Speed*1: 4,800 bps or 19,200 bps

*1When setting the transmission speed of Port 2 to 19,200 bps or 38,400 bps, set the port change switch to High(ON).

Transmission speed of Port 2 will be set with SW06 and PHL switches.

##### Port Change Switch

PHL Switch | Settings | Description
PHL Switch | ON | Port 2 Operation

NOTE

- When the change switch is ON, PHL signal becomes High(ON).

- Other transmission speed settings are shown below.
  <Port 1>

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

<Port 2>

SW06 | PHL | Transmission Speed
OFF | OFF | 4,800 bps
ON | OFF | 9,600 bps
ON | ON | 38,400 bps