The Allen-Bradley 1746-HSTP1 is a high-performance Stepper Control Module designed for the SLC 500 programmable logic controller platform. This module provides precise motion control by generating pulse trains to drive stepper motor controllers, enabling accurate positioning and velocity control in industrial automation applications.
Features
Supports trapezoidal velocity profiles for smooth motion transitions.
Wide speed range from 1 to 250,000 pulses per second.
Fast acceleration step rate of 4 milliseconds or less.
Differential inputs for robust signal integrity in high-noise environments.
Compatible with standard stepper motor driver interfaces.
Applications
The 1746-HSTP1 is ideal for applications requiring precise point-to-point positioning, such as indexing tables, conveyor positioning, packaging machinery, and automated assembly equipment integrated within an SLC 500 control system.
Technical Specifications
Model
1746-HSTP1
Platform
SLC 500
Speed Range
1 to 250,000 pulses per second
Acceleration Profile
Trapezoidal
Acceleration Step Rate
4 ms or less
Input Type
Differential
Output Type
Digital
Input Frequency
250 kHz
Backplane Current (5V)
200 mA
Backplane Current (24V)
90 mA
Installation Guidelines
Ensure the SLC 500 chassis is powered down before inserting or removing the module to prevent electrical damage.
The module must be seated firmly in the chassis slot and secured with the integrated locking tabs.
Use shielded cabling for differential input connections to minimize electromagnetic interference (EMI).
Maintain proper grounding practices for the stepper motor driver and the PLC chassis to ensure system stability.
Keep the module away from high-heat sources and ensure adequate ventilation within the control cabinet.
Handle the module using ESD-safe practices to prevent damage to internal circuitry.
FAQ
What is the primary function of the 1746-HSTP1?
The 1746-HSTP1 acts as a motion control interface for the SLC 500 system, converting digital commands from the PLC into pulse train signals required to operate stepper motor drivers.
Is this module compatible with all SLC 500 chassis?
The 1746-HSTP1 is designed for standard SLC 500 I/O chassis. Please verify your specific chassis power supply capacity to ensure it can accommodate the 200mA (5V) and 90mA (24V) current draw of the module.
