### External Device Settings

Use the ladder software (TCPRGOS-W (E)) to set up communication settings on the External Device.

Refer to your External Device manual for details.

After setup is complete, restart the External Device to enable the settings.

##### Procedure

1. On the computer, start the ladder software.

2. From the [Tool] menu, select [Register editor].
   The [Register data] window appears.

3. Set the register as follows. Double-click [HEX] in the register column and enter the value in the [Data change] dialog box.

Register | Setting | Setup Description
--- | --- | ---
D12E | 0000h | Communication speed (9600bps)
D12F | 0000h | Host Communication mode

NOTE

- The following items are fixed.

Setting Information | Value
--- | ---
Communication Type | RS-422/485 (2wire)
Data Length | 8 bit
Parity | None
Stop Bit | 2 bit

NOTE

- For TCmini series to run RS-422/485 (2 wire) communications, one of the following CPU versions or later is necessary.
  TC9-00 (Version: TCmini LT9CU00A0)