Table 8-3
Integrated safety functions
SAFE Explanation
One or more safety functions are enabled, but not active.
One or more safety functions are active and error-free.
The inverter has detected a safety function fault and initiated a stop response.
Table 8-4
PROFINET fieldbus
LNK
Explanation
Communication via PROFINET is error-free
Device naming is active
No communication via PROFINET
Table 8-5
Fieldbuses via RS 485 interface
BF
Explanation
Data exchange between the inverter and control system is active
The fieldbus is active, however, the inverter is not receiving any process data
RDY
When LED RDY flashes simultaneously:
Inverter waits until the power supply is switched off and switched on again after a
firmware update
No fieldbus connection is available
RDY
When LED RDY flashes simultaneously:
Incorrect memory card
Firmware update failed
Firmware update is active
Communication via Modbus or USS:
If the fieldbus monitoring is deactivated with p2040 = 0, the BF-LED remains dark, independent
of the communication state.
Alarms, faults and system messages
8.1 Operating states indicated on LEDs
SINAMICS G120C converter
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34263257B AF
351
