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Mitsubishi Electric NZ2GF12A4-16D User Manual Page 20

Cc-link ie field network waterproof/dustproof remote i/o module.
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No.
Name
(7)
D LINK LED
(8)
L ER LED
*1
(9)
LINK LED
*1 The LINK LED may turn on when the module is powered on. This behavior does not indicate an error.
I/O module status and LED status
The following table lists the correspondence between the I/O module status and the LED status.
I/O module status
Disconnected
Data link in operation
Reserved station setting in
progress
Data link stop
Unit test
In progress
Normal
completion
Abnormal
completion
Communication error
Error
Major error
Moderate
error
Warning
Minor error
Power supply voltage error
detection
*1 Either of On or Off.
*2 Either of On, Flashing, or Off.
*3 When the module is failed, the LED may not turn on.
*4 When a power supply voltage error is detected, the LED turns on in red. (When the module is in the status other than that, the LED turns
on in green.)
2 PART NAMES
Description
Indicates the data link status of the I/O module.
On: Data link in operation (cyclic transmission in progress)
Flashing: Data link in operation (cyclic transmission stopped)
Off: Data link not performed
Indicates the status of each port.
On: Module received abnormal data, or module performing loopback
Off: Module received normal data, or module not performing loopback
Indicates the link status.
On: Linkup in progress
Off: Linkdown in progress
Data link status
LED status
PW LED
Disconnection
On
Data link in operation
On
Cyclic stop
On
Cyclic stop
On
On
On
On
Cyclic stop
On
On
On
On
On
RUN LED
On
On
On
On
On
On
On
On
Off
On
On
*4
On
MODE LED
ERR. LED
On
Off
On
Off
On
Off
On
Off
Flashing
Off
Off
Off
Off
On
On
Off
*1
*3
On
*1
On
*1
Flashing
On
On
D LINK LED
Off
On
Flashing
Flashing
Off
Off
Off
Flashing
*2
*2
*2
On

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