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Telescope Mount Azimuth Axis

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Telescope Azimuth Drive Over-Speed

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Safety Function

Telescope Azimuth Over Speed

Hazard

Damage to motor, exceeding travel limits

Triggering Event

Telescope motion exceeding normal operating speeds

Priority

superseded by STO functions

Modes

All modes

Reaction

Telescope drives disabled, brakes appliedSafe Stop 1 (SS1) of Azimuth axis.

Safe State

Telescope drives disabled, brakes applied, motion stopped

Required Integrity

SIL 2

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