B&R introduces Safe Speed Observer virtual sensor for ACOPOS P3 servo drive | Automation.com

B&R introduces Safe Speed Observer virtual sensor for ACOPOS P3 servo drive

August 262019
B&R introduces Safe Speed Observer virtual sensor for ACOPOS P3 servo drive

August 26, 2019 - B&R has developed a virtual sensor for its ACOPOS P3 servo drive: the Safe Speed Observer. It determines speed in accordance with SIL 2 / PL d / CAT 3 requirements, eliminating the need for a safe encoder.

From the electrical variables of a permanent magnet synchronous motor, the Safe Speed Observer calculates two redundant models of the motor – achieving a safety level for the calculated speed. The virtual sensor can be used for both linear and rotary synchronous motors.

The Safe Speed Observer is configured in the Automation Studio engineering environment via the respective encoder interface. The user can implement the safety functions available for the safe axis from the safety library. This solution is made possible by the drive-integrated safety technology of SafeMOTION.

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