The device has an LED for every network interface.
T
he device has two additional light emitting diodes for EtherNet/IP.
9.3.2.1 LEDs for network interfaces
The device has an LED for every network interface.
T
able 27: LEDs for network interfaces, labeling: Link/Act
LED status Meaning Troubleshooting
o
No supply voltage
N
o Ethernet connec‐
tion
►
Chec
k the voltage supply.
►
Check the network cable.
►
Check whether the device at the other end
of the network cable is switched on.
O Gr
een
Ethernet connection
e
stablished
–
Ö Y
ellow
Data transmission –
9.3.2.2 EtherNet/IP LEDs
The device has two EtherNet/IP LEDs. These LEDs are used collectively for both
E
therNet/IP connections.
Table 28: Network status LED, labeling: NS
LED status Meaning Troubleshooting
o
No supply voltage
►
Chec
k the voltage supply.
O Gr
een
Device connected,
IP addr
ess present,
CIP connection estab‐
lished
–
Ö Gr
een
Device connected, IP
addr
ess present, no
CIP connection
O R
ed
Error: IP address has
alr
eady been assigned
to a different device
Ö R
ed
Warning: connection
w
as interrupted or was
then reset or restruc‐
tured
Ö R
ed/green
Connection inter‐
r
upted or terminated
Table 29: Module status LED, labeling: MS
LED status Meaning Troubleshooting
o
No supply voltage
►
Chec
k the voltage supply.
O Gr
een
Device in operation –
Ö Gr
een
Device in sleep mode
D
evice is ready
►
End sleep mode
.
O R
ed
Serious error, device
no
t ready
Ö R
ed
Correctable error (e.g.
CIP connec
tion inter‐
rupted)
►
R
eestablish CIP connection.
9 OPERATION
144
O P E R A T I N G I N S T R U C T I O N S | microScan3 – EtherNet/IP™ 8020200/1NTM/2024-06-03 | SICK
Subject to change without notice