Download 1746-999-121, Stepper Controller Module

Chapter
8
Specifications
Chapter Objectives
This chapter defines module design characteristics, both electrical and
mechanical, and operating parameters relating to its application and
compatibility with other system components.
Industry Standards
• Backplane isolation to protect other Modules and the processor from
General Specifications
Number of Axes
1
Applicable Interfaces
Pulse Train Switching
Speed Range
Acceleration
Stepper motor driver
7 to 30 ma @ 5 VDC
1 to 250,000 pulses per second
1 to 2000 pulses per second
Trapezoidal velocity profile
4 milliseconds or less
external transient voltages.
• Motion is inhibited whenever the power up sequence is in progress or the
SLC processor is placed in program mode.
Acceleration Step Rate
LED Indicators
Color
Green
Green
Green
Red
Red
Description
RUN – indicates the processor is running. Extinguished in
case of watchdog timeout
CW – indicates motion in the clockwise direction
CCW – indicates motion in the counter-clockwise direction
Error indicates data transfer error
Fault lights when the Module is not configured.
Power Requirements
• Backplane 5 Volts DC
• User Power 24 Volts DC
.2 A
.09A Max.
System Limitations
Number of modules per chassis is limited by the SLC power supply and
applications scan time requirements.