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Material Handling Wholesaler Cover
September 2010


PositionServo available with ISO 13849 safety circuit

Lenze-AC Tech announced the release of the ISO 13849-1 Safety Circuit for its PositionServo drive.

PositionServo drives with suffixes “ES” and “RS” now include a safety circuit that disables the drive output to the motor so that the drive cannot generate torque in the motor. This safety function, termed “Safe Standstill,” meets the requirements of ISO 13849-1 Safety of machinery – Safety-related parts of control systems – Part 1: General principles for design. The PositionServo ISO 13849-1 safety circuit provides a highly reliable disable of the drive. Even in the event of a single fault (single component failure) the ISO 13849-1 safety circuit will still function and disable the drive.

Lenze–AC Tech drives are employed in many types of automated processes worldwide and the safety of both the equipment and personnel is paramount. Lenze-AC Tech develops, manufactures, markets and supports a complete range of motion control solutions, including servo drives and motors, clutches and brakes, gears and gear motors and variable frequency AC motor drives. Lenze-AC Tech’s portfolio of AC Drive products extends from some of the world’s smallest sub-micro drives up through large, 500 HP.
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