Mitsubishi Electric MELSEC Q Series Reference Manual page 169

(2) Executing the circuit test
Control station
Powering OFF and ON or resetting the CPU module
starts the test.
During test execution
The MODE and D LINK LEDs flash, and each of the
1 LEDs and each of the
OFF in order (1 2 4
detection of an error, the test is immediately
terminated (error completion).
S
1 1 1 RUN
T.
N
2 2 MODE
O.
4 4
8 8 ERR.
X100 10 1
Test completion
The D LINK LED turns ON.
When completed normally
The MODE LED flashes, and 1, 2, 4 and 8 (
10) LEDs turn OFF.
S
1 1 1 RUN
T.
N
2 2 MODE
O.
4 4
8 8 ERR.
X100 10 1
When failed
The MODE LED flashes, and the ERR.LED and any
one of 1, 2, 4 and 8 ( 1 and
1 1 1
S RUN
T.
N
2 2 MODE
O.
4 4
8 8 ERR.
X100 10 1
Test result?
Set it to online mode, and turn the power OFF and
ON or reset the CPU module.
End
10 LEDs turn ON and
8 1 ). Note that, upon
PRM
D LINK
SD RD
1 and
PRM
D LINK
SD RD
10) LEDs turn ON.
PRM
D LINK
SD RD
When failed
When completed normally
CHAPTER 5 PREPARATION AND SETUP
Normal station
Powering OFF and ON or resetting the CPU module
activates the online mode.
During circuit test execution, data link stops on all
stations.
During test execution
The MODE and D LINK LEDs flash, and 1 100 LED
alternates ON and OFF.
S 1 1 1 RUN
T.
N
2 2 MODE
O.
4 4 SD
8 8 ERR.
X100 10 1
While the control station is in online mode, normal
stations operate in online mode.
End
The LED corresponding to the error type turns ON.
Control station duplicated
1 1
Station No. duplicated
2 2
Out-of-range station No. setting exists.
4 4
Reserved station setting error
8 8
(A station set as reserved actually exists.)
10 1
Cable fault
Cable insertion error
Cable disconnection
By the CC IE Control diagnostics, check the
error factor and take corrective actions according to
the troubleshooting.
Page 168, Section 5.6.1 (3)
PRM
D LINK
RD
167
5