Mitsubishi Electric QJ71GF11-T2 - Page 75

73
CHAPTER 6 INSTALLATION AND WIRING
6
6.4 Tests After Wiring 6.4.1 Loop test
(b) Procedure
Perform a loop test from the master station.
1. Connect GX Works2 to the CPU module.
2. Set network parameters as shown in the figure to
left.
Project window [Parameter]
[Network Parameter] [Ethernet/CC IE/
MELSECNET]
3. Configure the network configuration settings in the
network parameter. ( Page 88, Section 7.3)
Project window [Parameter]
[Network Parameter] [Ethernet/CC IE/
MELSECNET] button
4. Write the network parameters set to the CPU
module.
[Online] [Write to PLC]
5. Reset the CPU module or power off and on the
system.
When the submaster station has been connected, reset
the submaster station then master station or power off
and on the system within two seconds.
6. Loop test begins.
•Master station
The MODE and D LINK LEDs flash. Also, each of the ×10
LED and ×1 LED repeatedly turns on and off (1 2 4 
8  1 • • •).
However, if errors are detected, the test is immediately
terminated (failure).
• Slave station
Data link stops on all stations. Also, the MODE, D LINK,
and x100 LEDs flash.
Master station
Select "Loop Test".
Select
"CC IE Field
(Master Station)".
or power OFF ON
RESET
RUN
SD
ERR.
MST
D LINK
RD
L ERR.
MODE
X100 10 1
S
T
N
O
.
.
1
1
2
4
8
1
2
4
8
RUN
SD
ERR.
MST
D LINK
RD
L ERR.
MODE
X100 10 1
S
T
N
O
.
.
1
1
2
4
8
1
2
4
8
: On
Slave stations and submaster station
Master station
: Flashing