Siemens 129 fault code meaning
Siemens / 129
Series: SIMODRIVE 611U
Maximum speed too high for a rotary axis with modulo conversion
servo drive
Meaning: The programmed maximum velocity (P0102) is too high to correctly calculate the modulo offset. The maximum velocity may only be so high, that 90% of the modulo range (P0242) can be traveled through within one interpolation cycle (P1010).
Possible causes
Source: SIMODRIVE 611 universal Function Manual FBU 05/2010 (EN, Siemens official site) 7.3