Rocklin, Cal. – Galil Motion Control, announces two multi-axis servo drives that perform sinusoidal commutation; the AMP-43540 with four 600W servo drives, and the AMP-43640 with four 20W 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-40×0 Accelera and DMC-41×3 Econo motion controllers with Ethernet. Designed to minimize space, cost and wiring, the drives reside directly inside the controller enclosure. The packaging of the 4-axis drive inside the motion controller enclosure saves space compared to using external drives. The DMC-4040 4-axis controller and drive package dimensions are 8.1” x 7.3” x 1.7”. Two 4-axis drives can also be installed inside the DMC-4080 8-axis controller package which measures 11.5” x 7.3” x 1.7”.
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 8A continuous, 15A peak, 20-80 VDC. The gain settings of the amplifier are user-programmable at 0.4, 0.8 and 1.6A/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 in single quantity and $600 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 1A peak, 15-30 VDC with a gain setting of 0.1A/Volt. The U.S. list price of the AMP-43640 4-axis 20Watt drive is $600 in single quantity and $350 in 100 quantities.
The AMP-43540 and AMP-43640 don’t require hall sensors for brushless motor commutation. Galil provides commands for initialization of the motor using the encoder feedback.
The AMP-43540 and AMP-43640 are available for immediate delivery.
For more information, check out www.galilmc.com.
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