IL PN BK DI8 DO4 2SCRJ-PAC
7649_en_04 PHOENIX CONTACT 10
6 Local status and diagnostic indicators
Figure 3 Local status and diagnostic indicators
U
L
US
U
M
BF
SF
P
W
R
D
E
O
1
L
N
K
LN
K
F
O
F
O
A
C
T
A
C
T
R
e
s
e
t
1
3
2
4
I1
1
3
2
4
I2
65
8
7
PWR
O1
I1
I2
ETH
Designation Color Meaning State Description
LNK 1/2 green Link port 1/2 ON Connection via Ethernet to a module via port 1/2 established
Flashing PROFINET module identification ("flashing")
OFF No connection established via port 1/2
FO 1/2 yellow Status of the fiber
optic path:
ON Receiving power under 0 dB; the "Maintenance demanded"
message is triggered.
Flashing Borderline receiving power; the "Maintenance required" mes-
sage is triggered.
OFF Receiving power is OK
ACT 1/2 yellow Activity port 1/2 ON Transmission or reception of Ethernet telegrams at port 1/2
OFF No transmission or reception of Ethernet telegrams at port 1/2
BF red Communication
error (BusFail)
ON No link status available
Flashing Link status available, no communication connection to the
PROFINET controller
OFF A PROFINET controller has established an active communi-
cation connection to the PROFINET device.
SF red System failure
(PROFINET)
ON PROFINET diagnostics available
OFF PROFINET diagnostics not available
UL green U
Logic
ON 24 V bus coupler supply/7.5 V communications power present
OFF 24 V bus coupler supply/7.5 V communications power not
present
US green U
Segment
ON 24 V segment circuit supply present
OFF 24 V segment circuit supply not present
UM green U
Main
ON 24V main circuit supply/internal communications power pres-
ent
OFF 24V main circuit supply/internal communications power pres-
ent
D green Diagnostics ON Data transmission active within the station
Flashing Data transmission not active within the station
