Panasonic GTWIN Reference Manual page 259

Connecting the GT to a PLC
PLC communication cable: Mini-DIN 5-pin loose-wire cable (AIGT8142)
Connecting to the FP2/FP2SH TOOL port

The cable should not exceed 3m.

When supplying power from the TOOL port, verify whether or not it will be
possible by using the method of calculation for the number of expansion
units provided in the PLC Hardware Manual.
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GTWIN Reference Manual