Servo motor with single-cable technology

Wednesday March 07, 2012
Beckhoff Automation's AM8000 servo motor series features new single-cable technology, where the power and feedback system are combined into one standard motor cable. The encoder data, rotor position, multi-turn information and the status of the thermal conditions in the motor are transmitted reliably and free from interference via a digital interface. The benefits include significant cost savings, since plug connectors and cables are eliminated at both the motor and the controller ends, the company explains. The AM8000 series encompasses six different motor sizes, each with two or three optional overall lengths, so that the widest possible torque range is covered seamlessly with overlaps. The user can select a motor suitable for universal use from a stall torque range of 0.9 to 65 Nm. Sophisticated rotor and stator technologies represent the foundation of the new servo motor. Among other things, modern salient pole winding technology is used in the motor, which enables an even higher slot fill factor. Small end turns, in conjunction with a fully encapsulated stator, provide robustness and excellent thermal management.  www.beckhoffautomation.com

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