### Setting of External Device

For External Device communication settings, use the rotary switch of the External Device and ladder software (CX-Programmer). For IP address settings, with Auto (dynamic).

Refer to your External Device manual for details.

##### Rotary Switch Setting

Setup Items | Setup Description
--- | ---
Unit No. | 1

Setup Items | Setup Description
--- | ---
NODE No. | x 161 | 0
x 160 | 1

##### Ladder Software Setting

1. Start up the ladder software.

2. Select [New] in the [File] menu to display [Change PLC] dialog box.

3. Select External Device in the [Device Type].

4. Click [Settings...] in the [Device Type] to display the [Device Type Settings] dialog box.

5. Select CPU type in the [CPU Type] and click [OK].

6. Select connection type in the [Network Type].

7. Click [OK].

8. Double-click [IO Table and Unit Setup] in the tree view of the work space to display the [PLC IO Table] dialog box.

9. Double-click the slot number that connects to the link I/F from the [Main rack] of the tree view to display the [Select Unit] dialog box.

10. Select a link I/F to be registered from the [Communications Adapter] of the tree view.

11. Click [OK] to display the [Add Unit] dialog box.

12. Enter "1" in the [Unit].

13. Click [OK].

14. Double-click the link I/F that was registered in the [PLC IO Table] dialog box to display the [Edit Parameters] dialog box.

15. Set the communication settings in the [Setting] tab as below.

    Setup Items | Setup Description
    --- | ---
    IP Address | 192.168.0.1
    Sub-net Mask | 255.255.255.0
    FINS/UDP port | Default (9600)
    Conversion | Auto (Dynamic)

16. Click [OK]

17. Transfer the communication settings to External Device.

18. Reboot the External Device.

##### Notes

- Check with a network administrator about IP address and subnet mask. Do not set the duplicate IP address.

- Do not set the duplicate Node number.

- For UDP connection, always perform the same settings for the port No. of the Display and the External Device.