Omron NS - Page 281

Section 10 Transferring Data 10-3 Data Transfer Using SPMA
NS-Designer Operation Manual
PLC. Create the local network table treating either the RS232-C port or peripheral port as the
Communications Unit by setting the items shown below.
Connecting the PT with the PLC Using the RS-232C Port
Treat the RS-232C port as the Communications Unit. Set 252 for the SIOU, and set 3 for the Local
Network of the serial communications that pass through this unit number.
Unit Number Local Network Address
252 (serial port) 3
Connecting the PT with the PLC by the Peripheral Port
Treat the peripheral port as the Communications Unit. Set 253 for the SIOU, and set 3 for the Local
Network of the serial communications that pass through this unit number.
Unit Number Local Network Address
253 (peripheral port) 3
2. Add the Local Network Table for PLC Ethernet Unit in the same manner.
Set 1 for the SIOU and 1 for Local Network.
Unit Number Local Network Address
1 1
Settings on the PT
There is no need to make settings when connecting a PLC with a PT by Serial (1:N NT Link) connec-
tion.
Setting the Communications Method
1. Open the desired project on the NS-Designer and select File - Screen Data Transfer. The Screen
Data Transfer Dialog Box will appear.
2. Click the Comms.Setting Button at the top right of the dialog box. The Comms.Setting Dialog
Box will appear.
3. Select Pass Through PLC.
4. Select the communications method under Computer. Here, Ethernet is set.
5. Select the communications method between the PLC and PT. Set NT Link under NS and PLC.
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