### Setting of External Device

For External Device communication settings, use the DIP switch and 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.

##### DIP Switch Setting

Dip Switch | Setting | Description
--- | --- | ---
SW1 | OFF | Set whether the user memory is writable or not. ON: Write disable OFF: Write enable
SW2 | OFF | Set whether data is loaded from a memory card or not when the power is on. ON: Load enable OFF: Load disable
SW3 | OFF | Not used.
SW4 | OFF | Not used.
SW5 | OFF | Set communication speed of serial port. ON: Communication speed of ladder software (Toolbus) is automatically recognized. OFF: Accordance with communication setting of ladder software.
SW6 | OFF | Switch the status of special auxiliary relay (A395.12).
SW7 | OFF | Set the type of simplified backup.
SW8 | OFF | Always OFF.

##### Rotary Switch Setting

Setup Items | Setup Description
--- | ---
Unit No. | 0

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].

9. Double-click built-in EtherNet/IP port in the [Built-in Port/Inner-Board] of the tree view to display the [Edit Parameters] dialog box.

10. Set [IP Address ] and [Sub-net Mask] in the [TCP/IP] tab as below.

    Setup Items | Setup Description
    --- | ---
    IP Address | 192.168.0.1
    Sub-net Mask | 255.255.255.0

11. Set [FINS/UDP port ] and [Conversion] in the [FINS/UDP] tab as below.

    Setup Items | Setup Description
    --- | ---
    FINS/UDP port | Default (9600)
    Conversion | Auto (Dynamic)

12. Click [OK]

13. Transfer the communication settings to External Device.

14. 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.