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4.2.10 Through Function
With the GT series, communication can be set to take place automatically between the COM. port and
TOOL ports in a “through function”. When the FP series tool software installed in the computer
connected to the GT series as shown below is booted, PLC programs can be edited through the GT
series.
The through function does not require any special settings, and is always in the standby mode.
Note:
• Precautions when using the through function
The system should be set up so that the interval for communication retries in the FP series shoftware
(FPWIN) (A) is larger than that of the GT COM. port (B), meaningn (A) > (B). If the system is set up so
that A = B or A < B, the through function will not work properly.
• Restrictions on COM. port connections
If the GT series is connected to the COM. port of the PLC, be aware that some functions cannot be
used, such as rewriting in the RUN mode in the FPWIN GR.
• Precautions when connecting the FP Programmer II to the TOOL port
If the unit is being installed in a horizontal orientation and the Matsushita Programmer II and C-NET
adaptor are being connected to the TOOL port, please be aware that the ambient usage temperature
should not exceed 40 °C.
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