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31. FA TRANSPARENT FUNCTION
31.7 Precautions

When the FA transparent function is used in
an Ethernet connection
(1) GX Works3, GX Works2, GX Developer
When the FA transparent function is used in an
Ethernet connection, the following GX Works3, GX
Works2, GX Developer cannot be executed.
The message [The executed function is not supported.
Please check the manual and other documentation.] is
displayed on GX Works3, GX Works2, GX Developer.
(2) GOT station monitoring function
When the FA transparent function is used in an
Ethernet connection, GOT station monitoring function
cannot be operated.
Therefore, in the cases of [no connection target], [PLC
power OFF], etc., the monitoring of the GOT delays for
the timeout time.

When connecting the GOT multi-drop
connection
FA transparent function is not available for the GOT
multi-drop connection.
(1) Standard monitor OS installation, Communication
driver writing
When using FA transparent function in GOT multi-drop
connection, the writing of the standard monitor OS and
communication driver to the GOT from GT Designer3
(Version 1.18U or later), as well as the writing of the
standard monitor OS and communication driver to the
serial multi-drop connection unit are required.
(2) Number of personal computers
Only one personal computer can be connected to the
multi-drop connection system.
(3) Monitor speed of GOT
The monitoring performance slows down according to
the number of monitoring GOTs. While using FA
transparent function, the monitoring performance of the
whole multi-drop system decreases. As a result,
timeout error may occur in GOTs in the system.

When connecting the GOT and personal
computer with modem connection
When using the FA transparent function with a modem,
the communication settings of compatible software,
modem connection tool, modem and GOT must be set
correctly to communicate with the GOT. If not correctly
set, the communication cannot be performed.

When connecting the GOT and personal
computer with serial or USB
When the operations shown below are executed, the
operation is executed in the PLC. However, the display
on the GOT may stop temporarily or the display of
timeout may appear on GX Works2.
*1 The remote operations only of when the connection type
between the GOT and CPU is the direct CPU connection or
computer link connection are applied.
Unsupported GX Developer functions Remarks
• Remote Reset
• Remote system reset
-
• Remote RUN
• Remote STOP
• Remote PAUSE
• Remote STEP-RUN
• Remote latch clear
• Write clock data
• Clear malfunction log
Inexecutable only when
specify all stations/groups
has been performed.
• Remote password function
• MELSECNET diagnostics
• CC IE Control diagnostics
• CC IE Field diagnostics
• Ethernet diagnostics
(PING test/loopback test with
the Ethernet module (Q series))
-
Only one personal computer
Operation
*1
Remarks
• Remote Reset
Applied for the following operations
specifying the currently selected
station.
• Remote RUN
• Remote STOP
• Remote PAUSE
• Remote STEP-RUN
• Remote Reset
• Remote latch clear
• Write clock data
Applied for the following operations
specifying all the station.
• CC IE Control diagnostics
(Link startup/stop)
• CC IE Field diagnostics
(Link startup/stop)
-