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6.2 Tests Before Wiring
This section describes module tests that should be performed before network wiring.
6.2.1 Hardware test
Hardware test checks the hardware inside the master/local modules.
(1) Procedure
1. Mount the master/local module on the safety base
unit, and connect GX Developer to the safety CPU
module.
An Ethernet cable is not connected to the master/local
modules.
2. Set network parameters in GX Developer as
shown in the figure to left.
Project data list [Parameter] [Network
param] [Ethernet/CC IE/MELSECNET]
3. Write the network parameters set in GX Developer
to the safety CPU module.
[Online] [Write to PLC]
4. Reset the safety CPU module or power off and on
the system.
5. Hardware test begins.
The MODE LED of master/local modules flashes, and
each of the ×1 LED repeatedly turns on and off (1 2
4 8 1 • • •).
Select "H/W test".
Select one from the followings:
"CC IE Field (Master station [Safety])",
"CC IE Field (Local station [Safety])",
or "CC IE Field (Local station)".
or powering off on
RUN
SD
ERR.
MST
D LINK
RD
L ERR.
1
2
4
8
MODE
100
10
1
S
T
N
O
.
.
1
2
4
8
1
: ON
: Flashing