Technical data

Commissioning Manual
Commissioning Manual, (IH1), 01/2011, 6SL3097-4AF00-0BP1
159
Diagnostics
3
This chapter describes the following diagnostic features of the SINAMICS S drive system:
● Diagnostics via LEDs
● Diagnostics via STARTER
● Diagnostic buffer
● Fault and alarm messages
3.1 Diagnostics via LEDs
3.1.1 Control Units
3.1.1.1 Description of the LED states of a CU 320-2
The various states of the Control Units CU320-2DP and CU320-3PN during power-up and
during operation are displayed using LEDs on the Control Unit. The duration of the individual
statuses varies.
Table 3- 1 LEDs
LED Function
RDY Ready
DP / PN PROFIdrive cyclic operation via PROFIBUS (DP) or PROFINET (PN)
OPT OPTION
● If an error occurs, the booting procedure is terminated and the cause is indicated
accordingly via the LEDs.
● Once the unit has successfully booted up, all the LEDs are switched off briefly.
● Once the unit has booted up, the LEDs are controlled via the loaded software.