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4.1.17 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 Timeout period in the FP series software (FPWIN) (A) is larger
than the waiting time for communication retries 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
When connecting the GT01 to the COM. port of a PLC, a separate external 5V DC power supply must
be provided. Be sure to remember this.
• An FP Programmer II cannot be connected to the tool port of the GT01. It can be connected to the
GT11 and GT30.
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