Integrated linear actuator and drive

3rd Quarter 2009 Electrical switching & drive systems & components

Haydon Kerk Motion Solutions has introduced the MotoDrive PDE Captive Linear Actuator. The MotoDrive comes with an integrated chopper drive forming a compact system for precision motion control applications.

The MotoDrive captive linear actuator system is capable of an output force of 220 N for the single stack version and 350 N for the double stack version. The captive configuration allows a self-contained linear actuator unit with an anti-rotation device guiding a splined output shaft. The captive configuration of the MotoDrive is ideal for applications requiring shorter stroke lengths (up to 62,5 mm) such as precision fluid dispensing, throttle control, and valve movement. The load connects to the threaded shaft end.

The MotoDrive can be programmed for micro-stepping with a step resolution range of 200 full steps per revolution to 12 800 steps per revolution when micro-stepping. With a supply voltage of 12 to 42 V d.c., the actuator functions with a run current programmable up to 2,6 A(rms) per phase. Optically isolated inputs of pulse, direction, and enable signals are required for operation. The pulse input is a square wave that sets the speed of the actuator. The direction input is either a high or low signal using +5 V d.c. for shaft extend and ground potential for shaft retract. The enable input is also a +5 V d.c. signal that activates the drive for operation.

Hold current on the drive is adjustable and can be selected as zero, 25, 50, 75 or 100% of run current using a jumper and associated pins located in a connector on the side of the drive.

For more information contact Haydon Kerk Motion Solutions, +1 203 756 7441, [email protected], www.haydonkerk.com

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