Panasonic AFPX-C30R User Manual page 156

Setting of unit numbers
By default, the unit number for each communication port is set to 1 in the system register settings. There
is no need to change this for 1:1 communication, but if 1:N communication is used to connect multiple
PLCs to the transmission line (e.g. in a C-NET), the unit number must be specified so that the
destination of the command can be identified.
The unit number is specified by using the system register.
Setting unit numbers with the system register
A unit number between 1 and 99 can be set with the system register.
To set unit numbers with the FPWIN GR programming software:
Select "Options" in the menu bar, and then select "PLC Configuration". Click "COM Port". There are
separate tabs for setting the COM1 and COM2 .
Dialog box of PLC system register setting
No. 410 (for COM1 port), No. 411 (for COM2 port) unit number settings
Click on , and select a unit number from 1 to 99.
Note) With a C-NET adapter, a maximum of 32 units (stations) can be specified.
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