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Siemens SINUMERIK Controller
Servo/Axis · Intermediate · 30-60 minutes
Siemens 10950 - Calculation of arc length function too inaccurate
The calculation of the arc length function could not be performed to the required accuracy Control reaction: Alarm display. Warning display.
10950
Siemens 10950 - Calculation of arc length function too inaccurate
Calculation of arc length function too inaccurate
The calculation of the arc length function could not be performed to the required accuracy Control reaction: Alarm display. Warning display.
Safety
- Only qualified personnel should diagnose and clear control alarms; follow the machine builder's safety procedures and lockout/tagout where hardware work is required.
Common Causes
- The calculation of the arc length function could not be performed to the required accuracy
Troubleshooting Steps
- 1The calculation of the arc length function could not be performed to the required accuracy during active polynomial interpolation.
- 2Either increase MD20262 $MC_SPLINE_FEED_PRECISION or reserve more memory for the representation of the arc length polynomials.
- 3MD28540 $MC_MM_ARCLENGTH_SEGMENTS defines how many polynomial segments can be used per block in order to approximate the arc length function.
- 4Clear alarm with NC START or RESET key and continue the program
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Always verify with your machine manual or a certified technician before performing service procedures.