Description
Servo Drive Modules (SDMs) for AL-7103 MKII
Each one of the Azimuth, X, and Y axes is equipped with an identical Servo
Drive Module, which acts as a full self-contained turntable that rotates the
axis.
Each SDM contains the following assemblies:
♦ Integral Stepper Motor
♦ Stepper driver with 1:16 micro-step control capability
♦ Back-EMF Over-voltage protection card
♦ Dynamic-brakes relay, applying the axes brakes when there is no
power
♦ 1:1 Absolute17-bit resolution Encoder
♦ 1:60 reduction gear.