Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 139

4 SETUP AND PROCEDURES BEFORE STARTING THE OPERATION
CPU
module
CPU
module
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REMARKS
The QJ71NT11B does not support the Redundant CPU.
(3) Starting the test
Perform the following on the station to be tested first, and then the station
executing the test.
(a) High Performance model QCPU, Process CPU, and Redundant CPU
Set the RUN/STOP switch to STOP position, and reset with the
RESET/L.CLR switch.
Center
3
4
5
STOP RUN
RESET L.CLR
(b) Basic model QCPU, Universal model QCPU, and safety CPU
Reset with the RESET/STOP/RUN switch.
Hold the switch in the RESET position until the ERR LED starts flashing,
and release it after the LED turns off.
STOP
RESET RUN
STOP
POINT
To execute the station-to-station test, connect the cable correctly to IN and OUT.
Do not connect or disconnect the cable during execution of the test. (Doing so will
result in test failure.)
RESET
3
4
5
STOP RUN
RESET L.CLR
The ERR. LED flickers.
When it goes off, release
Move to RESET.
the switch.
RESET RUN
STOP
MELSEC-Q
Center
3
4
5
STOP RUN
RESET L.CLR
RESET RUN
STOP
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