Mitsubishi Electric QJ71LP21 Reference Manual page 177

7 APPLICATION FUNCTIONS
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(2) The remote I/O module stops the X input from the input module
At this time, the remote I/O station is performing X/Y communication with the
remote master station. The remote master station uses the GX Developer which
is connected directly to the remote I/O module to perform make an X input from
the GX Developer to the remote I/O station and perform an X input test.
Common parameters
Monitors No. 1
X1000
GX Developer
X0 forced
ON/OFF
POINT
(1) Always cancel the registration of the forced input/output after the device test
has been completed.
The REM.LEDs on the remote I/O module for "in device testing" will flash.
Once the device testing has been completed, it is possible to check that the
REM.LEDs have stopped flashing.
If the device test is not cancelled, the remote I/O network could malfunction.
(2) After the device has been cancelled, the module operates with data remaining
from the device test.
• When the Y output is on with the GX Developer and the device test is
cancelled, operation is performed in the Y output on status.
• When the X input is on with the GX Developer and the device test is
cancelled, operation is performed in the X input on status.
QCPU
GX Developer
LY
LX
Remote I/O
station No. 1
The remote I/O module does not take
the input module X input.
MELSEC-Q
Remote master station
LX
LY
Remote I/O
station No. 2
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