Mitsubishi Electric QJ71GF11-T2 User Manual page 75

(b) Procedure
Perform a loop test from the master station.
Master station
RESET
Master station
S
1 1 1
RUN MST
T
.
N
2 2
MODE D LINK
O
.
4 4
SD RD
8 8
ERR. L ERR.
X100 10 1
Select
"CC IE Field
(Master Station)".
Select "Loop Test".
or power OFF ON
Slave stations and submaster station
S
1 1 1
RUN MST
T
.
N
2 2
MODE D LINK
O
.
4 4
SD RD
8 8
L ERR.
ERR.
X100 10 1
: On
: Flashing
CHAPTER 6 INSTALLATION AND WIRING
1.
Connect GX Works2 to the CPU module.
2.
Set network parameters as shown in the figure to
left.
Project window
[Network Parameter]
MELSECNET]
3.
Configure the network configuration settings in the
network parameter. (
Project window
[Network Parameter]
MELSECNET]
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.
[Parameter]
[Ethernet/CC IE/
Page 88, Section 7.3)
[Parameter]
[Ethernet/CC IE/
button
73
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