SGMM-A3C3SD11 Yaskawa AC Small Servo Motor With Encoder Module

Yasakawa Motor, Driver SG-	Mitsubishi Motor HC-,HA-
Westinghouse Modules 1C-,5X-	Emerson VE-,KJ-
Honeywell TC-,TK-	GE Modules IC -
Fanuc motor A0-	Yokogawa transmitter EJA-

 

 

 

 

 

 

In general, if an application requires high-throughput, high-speed, and high-bandwidth capability for disturbance correction, and/or high-rpm, with or without tight coordination between axes, servo motors are the best option. If point-to-point position performance and rpm requirements are modest, (as a function of the process loads and expected disturbances) steppers may be a better choice. Additionally, when the loads are within reason, a stepper’s ability to hold position (using holding torque with power and detent torque without power) can be an advantage.

 

 

Speed-torque curves highlight the difference between stepper and AC permanent magnet (PM) servo motors of equal volume (Figure A). Steppers typically generate higher continuous torque at lower speeds than servo motors. However, servo motors produce intermittent peak torques in this same low-speed range and produce peak and continuous torques over a much wider-higher speed range.

 

 

Automated machine axes for adjustment and setup as well as video axes for inspection, are applications that stepper systems fulfill well. Steppers are especially ideal for these type axes because they tend to be easier to design into control systems and less expensive on initial setup. When an axis for a given setup can be locked into place they are less expensive to operate (e.g. optional ON/OFF reduced power mode). Additionally, when properly applied, steppers are less prone to failure because of their simplistic open-loop control, which only requires winding-to-drive match-up versus motor-drive-tomechanism tuning required with feedback circuits of a closed-loop system.

 

 

 

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