Mitsubishi Electric QJ71GF11-T2 - Page 76

74
During the loop test, data link stops on all stations.
7. Check the test result with LEDs of the master
station. D LINK LED turns on when the test is
completed.
• When completed
The ×10 and ×1 LEDs turn off.
• When failed
Any one of the ×10 and ×1 LEDs turns on, and the ERR.
LED turns on. Error details can be specified depending on
the lighting status of ×10 and ×1 LEDs.
Identify the error location through GX Works2 or link
special register (SW), and take actions. ( Page 76,
Section 6.4.1 (2))
8. When the loop test is completed, slave stations will
be in online mode.
Set the master station to online mode through the
network parameter.
RUN
SD
ERR.
MST
D LINK
RD
L ERR.
1
2
4
8
MODE
X100 10 1
S
T
N
O
.
.
1
2
4
8
1
RUN
SD
ERR.
MST
D LINK
RD
L ERR.
1
2
4
8
MODE
X100 10 1
S
T
N
O
.
.
1
2
4
8
1
: On
When completed
: Flashing
: On
When failed
: Flashing
1
1
2
4
8
1
2
4
8
10
Master station overlap, submaster
station overlap
Station No. overlap
Invalid station No.
Reserved station specification error
(A station that exists on the network is set
as a reserved station in the master station.)
All stations faulty
Inconsistent total number of slave stations
Station type setting error
Loopback stations exist.
Write the network
parameters to the
CPU module.
or Power OFF ON
RESET
Select "Online
(Normal Mode)"
or "Online
(High Speed Mode)."