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SP0757
SAFETY SPEED OVER
Fanuc · Alpha i Series Servo Amplifier
Hva betyr SP0757 ?
The CNC CPU detected that the spindle motor speed on the n-th spindle was greater than the safety speed (parameter No. 4372, 4438, 4440, or 4442) during safety monitoring (when the safety check request signal (*VLDPs) is 0). This indicates an unsafe spindle operating speed, which is a critical safety violation.
Vanlige årsaker
- Actual motor speed exceeded the configured safety speed limit (P3-01).
- Unexpected acceleration causing speed overshoot.
- Loss of feedback from a speed monitoring device.
- Incorrect deceleration ramp settings.
Reparasjonssteg & Sjekkliste
Klikk på steg for å spore fremgangen.
- 1
Verify the values set for safety speed parameters No. 4372, 4438, 4440, or 4442.
- 2
Ensure that spindle operation is programmed and executed within the defined safety speed limits.
Verifisert teknisk data. Sist oppdatert: March 2026
Relaterte feilkoder
Kilde: Fanuc Alpha i Series Servo Amplifier