Siemens SINAMICS G120X - Communication Via Modbus or USS; Fieldbuses Via RS 485 Interface

Table 9-4 Fieldbuses via RS 485 interface
BF Explanation
Data exchange between the converter and control system is active
The fieldbus is active, however, the converter is not receiving any process data
RDY When LED RDY flashes simultaneously:
Converter 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.
Table 9-5 PROFINET fieldbus
BF Explanation
Data exchange between the converter and control system is active
Fieldbus interface is not being used
The fieldbus is improperly configured.
RDY In conjunction with a synchronously flashing LED RDY:
Converter waits until the power supply is switched off and switched on again after
a firmware update
No communication with higher-level controller
RDY In conjunction with an asynchronously flashing LED RDY:
Incorrect memory card
Firmware update failed
Firmware update is active
Warnings, faults and system messages
9.1 Operating states indicated on LEDs
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC 961