### Setting of External Device

For External Device communication settings, use the DIP switch of the External Device and ladder software (CX-Programmer).

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 cassette or not when the power is on. ON: Load enabled OFF: Load disabled
SW3 | OFF | Switch the status of special auxiliary relay (A395.12).
SW4 | OFF | Set communication speed of serial port 1. ON: Communication speed of ladder software (Toolbus) is automatically recognized. OFF: Accordance with communication setting of ladder software.
SW5*1 | OFF | Set communication speed of serial port 2. ON: Communication speed of ladder software (Toolbus) is automatically recognized. OFF: Accordance with communication setting of ladder software.
SW6*1 | OFF | Always OFF.

*1CPU input-output points are 30 points/40 points only.

##### Ladder Software Setting

1. Start up the ladder software.

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

3. Select in the [Device Type].

4. Clich [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 [Settings] in the tree view of the work space to display the [PLC Settings] dialog box.

9. Check "Custom" in the [Communications Settings] of the [Serial Port 1] tab.

10. Set the setup items as below.

    Setup Items | Setup Description
    --- | ---
    Baud | 19200
    Format | 7,2,E
    Mode | Host Link
    Unit Number | 0

11. Close the [PLC Settings] dialog box.

12. Transfer the communication settings to External Device.

13. Reboot the External Device.

NOTE

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

NOTE

- 10-point CPU units cannot be used.