### Setting of External Device

Click the [Built-in RS-485 Port] tab from the [PLC Settings] of the ladder software for the communication settings of the Serial port (internal RS-485 Port) and set as below.

Setup Items | Settings
--- | ---
Baud | 19200
Format | 7,2,E
Mode | HOST link
Unit No. | 0

NOTE

- For access beyond network, set as below.

  Setup Items | Settings
  Source Network Address*1 | Option
  Node Address Setting Rotary Switch*2 | Option

*1Set in the routing table of "CX-Net Network Configuration". Please refer to the manual of the External Device for more details.

*2Set with the rotary switch on the front of the Controller Link unit used for access beyond network.

- Do not set the duplicate node address in the same network address group.