To set the External Device's RS-422/485 communication port to half-duplex communication, set the jumper (for TC3-01) or DIP Switch (for TC8-00) as follows.
Refer to your External Device manual for details.
Setup Description
CPU |
Jumper/DIP Switch |
Setting |
|---|---|---|
TC3-01 |
JP15, between pins 2 and 3 |
Short |
JP3 |
Short |
|
JP4 |
Short |
|
TC8-00 |
SW5-1 |
OFF |
SW5-2 |
OFF |
|
SW5-3 |
ON |
|
SW5-4 |
ON |
|
SW5-5 |
ON |
Use the ladder software (TCPRGOS-W (E)) to set up RS-422/485 communication.
Refer to your External Device manual for details.
After setup is complete, restart the External Device to enable the settings.
On the computer, start the ladder software.
From the [Tool] menu, select [Register
editor].
The [Register data] window appears.
Set the register as follows.
Double-click [HEX] in the register column and enter the value in the [Data change] dialog box.
CPU |
Register |
Setting |
|---|---|---|
TC3-01 |
D11F |
0004h |
TC8-00 |
D37F |
8004h |
Setting Information |
Value |
|---|---|
Communication Type |
RS-422/485 (2wire) |
Data Length |
8 bit |
Parity |
None |
Stop Bit |
2 bit |