STOBER 11 | Diagnostics
12/2018 | ID 442537.05
143
11.1.4.2 PROFINET state
There are 2 LEDs on the top 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.
Fig.32: LEDs for the PROFINET state
1 Red: BF (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. 154: 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. 155: Meaning of the green LED (run)