Panasonic GTWIN Reference Manual page 265

Connecting the GT to a PLC
Connecting to the 2-channel RS485 type (product no.: AFPX-COM6)
You can connect the AFPX-COM6 communication cassette to one or two GT units.
Switch setting
For more information refer to the FP-X User's Manual. For information on the
connection via RS485, refer to the GT Series User Manual.
264
Terminal unit
COM1
COM2
*Set the baud rate with both the DIP switches and the
system register.
GTWIN Reference Manual
Switch setting Baud rate (bps)*
115200
19200
9600