Siemens A01931 fault code meaning
Siemens / A01931
Series: DCM-6RA80
PB/PN: Speed loop sampling times differ in isochronous synchronization
DC drive
Meaning: In isochronous operation, the speed loop sampling time settings must be identical for all drives.
Possible causes
Source: SINAMICS DCM, Parameter Manual, firmware version 1.5 SP2 (based on 5.1 SP2) P984
Series: G120-CU250S-2
PB/PN: Speed loop cycle times differ in isochronous operation
converter
Meaning: In isochronous operation, the speed loop cycle settings must be identical for all drives.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1339
Series: G130-G150, S120-S150
PB/PN: Speed loop sampling times differ in isochronous synchronization
converter
Meaning: In isochronous operation, the speed loop sampling time settings must be identical for all drives.
Possible causes
Source: SINAMICS G130_G150 P1556; SINAMICS S120_S150 P2665
Series: S110
PB/PN: Speed loop cycle times differ in isochronous operation
servo drive
Meaning: In isochronous operation, the speed loop cycle settings must be identical for all drives.
Possible causes
Source: SINAMICS S110 P989
Series: S220
PN: Speed controller sampling time mismatch in isochronous synchronization
converter
Meaning: In isochronous operation, the speed controller sampling times for all drives must have the same setting.
Possible causes
Source: SINAMICS S220 converter P2193