### External Device Settings

For External Device communication settings, use the SEL key, UP key, DOWN key, Digit selection key, or DISP key located in the operation area on the front of the controller.

Refer to your External Device manual for details.

1. Press SEL key.

2. Press UP key or DOWN key to display [COM].

3. Press SEL key.

4. Press UP key or DOWN key to display the setting parameter.

5. Press SEL key to switch to setting mode.

6. Press UP key, DOWN key or Digit selection key to display the setting value.

7. Press SEL key.

8. Press DISP key twice.

9. Reboot the External Device.

##### Setting Value

Setting Parameter | Setting Value | Setup Description
--- | --- | ---
STN4 | 1 | RS-485 station No.
SPD4 | 384 | RS-485 communication speed
BIT4 | 8o | RS-485 bit format

NOTE

- The PXH CPU type can be connected with RS-422/485 (2-wire) when the 11th digit of model number includes the following code:
  R (RS-485)