Siemens A01941 fault code meaning
Siemens / A01941
Series: DCM-6RA80
PB/PN: Cyclic signal missing in bus topology
DC drive
Meaning: The bus is in data exchange status (Data Exchange), and isochronous synchronization has been selected via the configuration telegram, but no global control telegram for synchronization is received.
Possible causes
Source: SINAMICS DCM, Parameter Manual, firmware version 1.5 SP2 (based on 5.1 SP2) P984
Series: G120-CU250S-2
PB/PN cycle signal missing in bus topology
converter
Meaning: The bus is in data exchange status (Data Exchange), and isochronous synchronization has been selected via the configuration telegram, but no global control telegram for synchronization is received.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1340
Series: G130-G150, S120-S150
PB/PN: Cyclic signal missing in bus topology
converter
Meaning: The bus is in data exchange status (Data Exchange), and isochronous synchronization has been selected via the configuration telegram, but no global control telegram for synchronization is received.
Possible causes
Source: SINAMICS G130_G150 P1557; SINAMICS S120_S150 P2666
Series: G200, G210, G210X, G220
PN: Cyclic signal missing from the bus topology
converter
Meaning: The bus is in the data exchange state (Data Exchange), and isochronous synchronization has been selected via the configuration telegram, but no synchronization telegram has been received.
Possible causes
Source: SINAMICS G200 converter P685; SINAMICS G210 converter P1077; SINAMICS G210X converter P939; SINAMICS G220 converter P1284
Series: S110
PB/PN cycle signal missing in bus topology
servo drive
Meaning: The bus is in data exchange status (Data Exchange), and isochronous synchronization has been selected via the configuration telegram, but no global control telegram for synchronization is received.
Possible causes
Source: SINAMICS S110 P990
Series: S200, S210
PN: Cyclic signal missing from the bus topology
servo drive
Meaning: The bus is in the data exchange state (Data Exchange), and isochronous synchronization has been selected via the configuration telegram, but no synchronization telegram has been received.
Possible causes
Source: SINAMICS S200 PROFINET_SIMOTICS S-1FL2 P501; SINAMICS S210_SIMOTICS S-1FK2 and S-1FT2 P1312
Series: S220
PN: Cyclic signal missing from the bus topology
converter
Meaning:
Possible causes
Source: SINAMICS S220 converter P2193