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Servo Safety Feature Limits Torque

Servo Safety Feature Limits Torque

The ACOPOS P3 servo drive from B&R features Safely Limited Torque (SLT) which monitors torque up to  SIL 2 / PL d. Torque is limited to the configured maximum value by measuring current in the drive system. This safety function runs decentrally in the drive, so there’s a short (8 msec) maximum fault detection time. SLT can also safely limit the load on mechanical systems. In this way, SLT acts like a torque wrench that prevents over-tightening of screws. SLT can therefore be used as a protective measure against overloading drive axes and brakes. As a result, it is possible to use less expensive mechanical components since there is no need to account for torque spikes.

B&R, (770) 772-0400,

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