...
a) Enter the device names as ‘PLC A’ and ‘PLC B’ in the [Tools] – [I/O Device] menu. Register PLC A as a serial device, and PLC B as an Ethernet device. Add a station for each and configure the remaining I/O device settings for each.
...
b) Create a real tag for each PLC. Enter the I/O addresses as ‘D100’ in for ‘PLC A’ and ‘D200’ in for ‘PLC B’.
...
c) Go to [Tools] – [Data Bridge] and add a data bridge model. Select 'Tag ‘Tag Base' for the model type and ‘Always’ for the 'Sync. Properties Properties’ option. When the value in PLC A changes, the value in PLC B will be matched with it immediately.
...