SMC Networks Amplifier manual Conclusion

Advantages of using Glentek Microstepping Servo Amplifiers

Glentek Omega series digital PWM servo amplifiers offer the latest in high performance DSP control of both brushless and brush type motors. With extensive utilization of surface mount technology and spe- cial heat transfer techniques, the Omega series offers one of the world’s most powerful products for a given form factor.

Following are some of key features of Glentek high performance servo amplifiers:

1.Digitally tuned - All parameters set digitally. No potentiometers to adjust. DSP control for the ulti- mate in system performance.

2.Silent operation - 24KHz PWM standard.

3.Smooth operation - The Glentek digital amplifier generates, using a Taylor expansion, a sinewave output to the brushless servo motors, matching the back EMF waveform of the motor exactly. This eliminates cogging and ripple torque and provides for extremely smooth operation.

4.Wide operating voltage - 20-370VDC for amplifier modules. 110-130VAC or 208-240VAC for Stand Alone.

5.Direct AC operation - No transformer required for stand-alone unit or multi-axis chassis. The power supply section includes DC power supply, cooling fan(s), soft-start circuitry and a regenerative volt- age clamp with dumping (shunt) resistor

6.RS232 - high speed (115.2K baud) serial communication interface for set-up and tuning.

7.Software configurable - Glentek’s Windows™ based MotionMaestro™ software provides ease of set-up and tuning with no previous programming experience required.

8.Dedicated digital inputs - Fault, +/- limits, motor over temperature and reset.

9.Fault protection - Amplifier RMS over current, amplifier under/over voltage, amplifier over tempera- ture, motor over temperature and amplifier output short circuit. See installation and operation man- ual (24Aug07), page 24 (Faults).

10.Current Monitoring - View axis current while axis is moving at a fixed command rate. This is very useful in machine maintenance. As an example, if something is binding the axis, the running cur- rent will go up. This torque monitoring is not available in stepper systems. See installation and op- eration manual (24Aug07), page 23 (Setup Oscilloscope). Select trace attributes source for “Current Measured”.

11.Low Speed settable electronic circuit breaker with foldback current settings. See installation and operation manual (24Aug07), page 20 (Motor Safety).

Conclusion

In general summary, comparing a stepper motor system with a servo motor system utilizing a Glentek high bandwidth digital servo amplifier in the microstepping mode is like comparing a Model “T” Ford with a Porsche or Ferrari sports car in performance capabilities.

Glentek Inc. 208 Standard Street, El Segundo, California 90245, U.S.A. (310) 322-3026 11