Rockwell Automation 1746-HSTP1 Stepper Controller Module/ User Manual - Manual (Page 40)

Publication 999-121 - December 1999
Configuration and Programming 5-5
bit 10 1 when output pulse type is pulse train and direction
0 when output pulse type is CW pulse train and CCW
pulse train
bit 11 not used
bit 12 0 for limit switch home operations
1 for marker pulse home operations
bit 13 and 14 not used
bit 15 1 for configuration mode
0 for command mode
Output word 1: Defines the active levels of the inputs. The bits are
set for high true (logic 1 for input of 7 VDC or higher), or normally
open (NO); or reset for low true (0 V
= logic 1), or normally closed
(NC). Note that the active levels of the inputs are taken into account
only when the corresponding input is present in output word 0.
bit 0 determines the active level of the CW limit switch
bit 1 determines the active level of the CCW limit switch
bit 2 determines the active level of the pulse train disable
input
bit 3 determines the active level of the external interrupt
input
bit 4 determines the active level of the home limit switch
input
bit 5 determines the active level of the home proximity
limit switch input
bits 6 – 15 not used
Output words 2 and 3: Defines the starting (or base) speed of the
Module. The starting speed is the minimum speed at which every
move begins and ends. The starting speed must be higher than the
speed at which low frequency resonance occurs in the stepper motor,
and is dependent on motor characteristics. The format for starting
speed data is:
Word 2 Starting speed most significant word (MSW)
Word 3 Starting speed least significant word (LSW)