### External Device Settings

Use the KEYENCE Corporation ladder software (KV STUDIO Ver. 4 or later) to configure communication settings for the External Device.

Refer to your External Device manual for details.

1. Start up the ladder software.

2. From the [File] menu, select [New Project] and display the [New Project] dialog box.

3. Type a project name in [Project Name], select the External Device to use under [PLC model], and click [OK].

4. Click [Yes] in the [Confirm unit setting information] dialog box and display the [Unit Editor] window.

5. Select "KV-L20V" from the displayed unit list on the [Select unit] tab, and drag & drop it to the unit placement area.

6. Double-click "KV-L20V" in the unit placement area.

7. Configure the following communication settings on the [Setup unit] tab.

   Setup Items | Setup Description
   --- | ---
   Port 1 | Operation Mode | KV BUILDER/KV STUDIO mode
   Interface | RS-232C
   Baud Rate | Auto
   Data Bit Length | 8 bits
   Start Bit | 1 bit
   Stop Bit | 1 bit
   Parity | Even
   Check Sum | None
   RS/CS Flow Control | Disabled
   Station No. | Station No. | 0
   Detail Settings | Transfer Timeout (sec.) | 3

8. From the [Convert] menu, select [Auto-assign relay/DM].

9. From the [File] menu, select [Close] and display the [Unit Editor] dialog box.

10. Click [Yes].

11. From the [Monitor/Simulator] menu, select [Transfer to PLC] to display the [Transfer Program] dialog box.

12. Check [Unit setting info] and [Program], and then click [Execute]. The setting information is transferred.

This completes the setting of the External Device.