Mitsubishi Electric MELSEC-Q Series - Page 174

172
(3) Executing the station-to-station test
*1 When the redundant system is in separate mode, power OFF and ON only system B or reset the CPU module of system
B.
*2 When the redundant system is in separate mode,
1) Set the mode of system B to online mode, and write the data to the system B CPU module.
2) Power OFF and ON only system B or reset the CPU module of system B.
3) Connect the programming tool to the control system CPU module, and change the mode of the redundant system
to the backup mode.
Executing station
During test execution
End End
Powering OFF and ON or resetting the CPU module
starts the test.
*1
The cable used in the station-to-station test is faulty.
Replace it.
Set it to online mode, and turn the power OFF and
ON or reset the CPU module.
*2
The MODE LED flashes, and the target station No.
turns ON.
Test completion (Failed)
The MODE LED flashes, and the target station No.
and ERR.LED turn ON.
Target station
During test execution
During station-to-station test execution, data link
stops on the executing and target stations. (Other
stations continue data link.)
While the executing station is in online mode, the
target station operates in online mode.
Powering OFF and ON or resetting the CPU module
activates the online mode.
The MODE LED flashes, and the executing station
No. turns ON.
1
2
4
8
1
2
4
8
1
RUN
SD
ERR.
PRM
D LINK
RD
MODE
Remains OFF
(Completed normally).
ON
After approx. 10 seconds,
is the D LINK LED ON?
RUN
SD
ERR.
PRM
D LINK
RD
1 1
2
4
8
1
2
4
8
MODE
RUN
SD
PRM
RD
11
2
4
8
1
2
4
8
D LINKMODE
ERR.
X100 10 1
S
T.
N
O.
X100 10 1
S
T.
N
O.
X100 10 1
S
T.
N
O.