Rockwell Automation 1746-HSTP1 Stepper Controller Module/ User Manual - Manual (Page 9)

Publication 999-121 - December 1999
P-2 Using This Manual
Intended Audience This manual is designed for the qualified first time user who has a
working knowledge of SLC 500™ products. If necessary, obtain the
proper training before using the Stepper Controller.
Conventions The following terms are used throughout this manual:
Input file – refers to the Module's Input Data file. This file is updated
during the SLC Processor input scan
Output file – refers to the Module's Output Data file. This file is
updated during the SLC Processor output scan.
Module – refers to the Stepper Controller, catalog number
1746-HSTP1
Physical outputs – refers to actual outputs on the Stepper Controller
SLC Processor – refers to an SLC 500 family processor
Stepper Translator – refers to the interface between the Stepper
Controller and the stepper motor that converts pulse train outputs into
power signals used to run the motor.
Position Loop – refers to the ability of a controller to accurately
position a mechanism to a precise point based on a dynamic
comparison of command data and feedback from a sensor.
Engineering Units – refer to decimal fractions of units of
measurement; e.g., inches, millimeters and degrees.
CW – refers to rotation or movement in a clockwise direction.
CCW – refers to rotation or movement in a counter-clockwise
direction.
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