13 | Diagnostics
STOBER
174
02/2019 | ID 442728.05
13.2.1.2
PROFINET state
There are 2 LEDs on the front of the drive controller that provide information about the
connection between the IO controller and device and about the state of the data exchange. This
information can also be read out in parameter A271 PN state.
2
1
BF
Run
Fig. 36: LEDs for the PROFINET state
1
Red: Bus error
2
Green: Run
Red LED
Behavior
Description
Off
No error
Rapid flashing
Data exchange with IO controller
not active
On
No network connection
Tab. 172: Meaning of the red LED (BF)
Green LED
Behavior
Description
Off
No connection
Flash
Connection is set up to IO
controller
Flash, inverse
IO controller activates DHCP
signal service
Flashing
Existing connection to IO
controller; data exchange
expected
On
Existing connection to IO
controller
Tab. 173: Meaning of the green LED (run)