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SRAC Series Two Phase AC Stepper Motor Drives

Advanced Current Control, Torque Ripple Smoothing, Anti-Resonance, Microstep Emulation
● Advanced Current Control
● Torque Ripple Smoothing
● Anti-Resonancelt
● Microstep Emulation
Brand Name: MOONS'
Price: USD  325.0  -  385.0  EA

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■ Description

SRAC series ac stepper motor drives are based on current PID control algorithm design cost-effective segment type drive, is a compact, powerful digital stepper motor drives.And can be used to drive the ac power input, compared with traditional dc power input type of drive, has excellent high-speed characteristics;Large torque output;Low noise;Low vibration, etc.Each drive has a variety of parameter setting, through dial switch or rotary switch can quickly set the required parameters.
 

■ Features

Anti-Resonance / Electronic Damping
Anti-Resonance / Electronic Damping
Step motor systems have a natural tendency to resonate at certain speeds. The SRAC drives automatically calculates the system’s natural frequency and applies damping to the control algorithm. This greatly improves midrange stability, allows for higher speeds, greater torque utilization and also improves settling times. Delivers better motor performance and higher speeds
 
Microstep Emulation
With Microstep Emulation, low resolution systems can still provide smooth motion. The drive can take low resolution step pulses and create fine resolution motion. Delivers smoother motion in any application
Microstep Emulation
 
Torque Ripple Smoothing
Torque Ripple Smoothing
All step motors have an inherent low speed torque ripple that can affect the motion profile of the motor. By analyzing this torque ripple the system can apply a negative harmonic to counter this effect.This gives the motor much smoother motion at low speed. Produces smoother motion at low speeds
 
Command Signal Smoothing
Command Signal smoothing can soften the effect of immediate changes in velocity and direction, making the motion of the motor less jerky. An added advantage is that it can reduce the wear on mechanical components. Improves smoother system performance
Command Signal Smoothing
 
Auto Setup & Self Test
At start-up the drive measures motor parameters, including the resistance and inductance,then uses this information to optimize system performance. The drive can also detect open and short circuits.
 

■ Model Numbering System

Model Numbering System of SRAC Series Two Phase AC Stepper Motor Drives
 

■ Ordering Information

Model Current Voltage Selectable Microstep Selectable Current
SRAC2 0.6-2.5A 80-265VAC 16 settings 8 settings
SRAC4 0.4-4.0A 80-265VAC 16 settings 16 settings
SRAC8 0.4-8.0A 80-265VAC 16 settings 16 settings