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Wednesday, March 30, 2011

Galil Introduces Servo Drives with Sinusoidal Commutation

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Galil is pleased to introduce two multi-axis servo drives that perform sinusoidal commutation: the AMP-43540 which contains four 600Watt servo drives and the AMP-43640 which contains four 20Watt servo drives. Both models are sinusoidally commutated which minimizes torque ripple compared to drives using trapezoidal commutation. This is especially important for applications using low friction linear motors. 

The new AMP-43540 and AMP-43640 4-axis drives are available as options for Galil’s DMC-40x0 Accelera and DMC-41x3 Econo motion controllers with Ethernet. Designed to minimize space, cost and wiring, the drives reside directly inside the controller enclosure. Two 4-axis drive units can be specified inside 8-axis controller models. 

The new AMP-43540 contains four 600W fully digital, transconductance amplifiers for driving brushless motors with sinusoidal commutation. Each amplifier drives motors operating at up to 8 Amps continuous, 15 Amps peak, 20-80 VDC. The gain settings of the amplifier are user-programmable at 0.4, 0.8, and 1.6 Amp/Volt. Both the switching and sampling frequencies are 33 KHz. The amplifier offers protection for over-voltage, under-voltage, over-current, short-circuit and over temperature. A shunt regulator option is available. The U.S. list price of the AMP-43540 4-axis 600W drive is $1000 US in single quantity and $600 US/ea in 100 quantities. 

The new AMP-43640 contains four 20W linear, transconductance amplifiers for driving brushless motors with sinusoidal commutation. Each amplifier drives motors operating at up to 1 Amp peak, 15-30 VDC with a gain setting of 0.1 Amp/Volt. The U.S. list price of the AMP-43640 4-axis 20W drive is $600 US in single quantity and $350 US/ea in 100 quantities. 

When using the AMP-43540 and AMP-43640 sinusoidal drives, hall sensors are not required for brushless motor commutation. Galil provides commands for initialization of the motor using the encoder feedback.

Click on the link below for additional information-

DMC-41x3 Series Product Information
DMC-4000 Series Product Information

For more information, please contact:

EDITORIAL CONTACT:
Warren Osak
sales@servo2go.com 
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www.servo2go.com

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