Panasonic GT703, User Manual

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Connection with PLC
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• If the unit is connected to the COM port of the FP0/FP1/FP2/FP2SH/FP-M,
communication between the FP device and the PLC will not be possible if
the target usage of the RS232C port has not been set to “Computer Link”.
Always set the setting on the PLC side to match “Computer Link”.
4.5.2 Through Function
In GT series, the through function enables to perform communication between a Panasonic
PLC connected to the COM port or Ethernet port of the GT and a PC connected to the TOOL
(USB) port of the GT. When the tool software for the FP series/FP7 series is booted on a PC
connected to the GT series, PLC programs can be edited or monitored through the GT series
as shown below. For using the through function, the settings for the communication between
“PC and GT series” and “GT series and our PLC” should be the same.
The through function does not require any special settings, and is always in the standby mode.

Selecting a target PLC
When connecting multiple PLCs, it is necessary to select a target PLC for the through function
in advance. For details, refer to "PLC Select Function" of GT series Reference Manual.
• Precautions when using the through function
-
One PC can use the through function at a time.
-
The system should be set up so that the Timeout period in the FP series
software (A) is longer than the waiting time for communication retries of
the GT COM port (B), meaning (A) > (B).
-
If the system is set up so that A = B or A < B, the through function will
not work properly.