Art.-No. 57106 PROFINET IO bus node
User manual 57106_hdb_en_13 54 / 94
10.4 LED status indication
Power module LEDs
Tab. 10-3: State indications of the LEDs
Tab. 10-4: Description of the LED display
Bus interface LEDs
Tab. 10-5: Status indication of bus interface
Display LED Color LED states
PWR IO Green Off
On
PWR Green Off
On
PF Red Off
On
PWR IO PWR PF Description of the display
X Power supply OK
Electronics supply OK
X X Fuse of electronics supply defective.
Not relevant: X
Display LED Color State Description
PWR
Green
On Bus interface is supplied with power
SF
Red
On Station error, error on PROFINET or on
CUBE20S bus
BF
Red
On Bus error: error in PROFINET communication
MT
Yellow
On Maintenance: maintenance request of PROF-
INET
LNK1/2
Green
On Link: physical connection to Ethernet
ACT1/2
Green
On Activity: communication via Ethernet