Motor Feedback Systems

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With a completely digital interface

Motors & Drives

Motor Feedback Systems
Motor Feedback Systems

Housed in a size 36 enclosure, the EKS/EKM36 motor feedback series from SICK come with the digital HIPERFACE DSL interface that achieves encoder communication via two wires integrated in the motor cable. Both compact and robust, they have up to 20 bits per turn resolution and 4,096 maximum rotations. Storage of motor-specific data in an electronic label and programmable position parameters simplify commissioning. Permitting completely new servo-drive system architecture, the RS485 compliant interface has a 9.216 Mbaud transmission rate. It requires a minimum of connection wires between the frequency converter and the motor feedback system. Data transmission takes place synchronously in the regulatory cycle, which can be as short as 12.15 µs. The cable length between the frequency converter and the motor feedback system may be up to 100 m. The interface offers further advantages. On the regulator side, analogue components are unnecessary. Implementation is simplified through the use of an FPGA, which is written with a validated IP core. The lack of a motor feedback connection plug adds to cost savings. On the motor side, the lack of motor feedback connection plug minimizes the space requirement. Altogether, these advantages result in less cabling and allow data transmission, via the motor feedback interface, for external sensors.

Edited by: Teoman Tugsuz

Posted on January 19, 2011 - (1583 views)
Erwin-Sick-Str. 1
79183 Waldkirch - Germany
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