Specifications

SLC 500 Programmable Controllers and I/O Modules

Counting,

Positioning

and Motion

Modules

The Allen-Bradley SLC 500 counting,

positioning, and motion modules are

well suited to basic motion control,

and offer a wide variety of control

application solutions. Whether you

have positioning applications, single-

axis or servo control, or high-speed

registration, there is an SLC 500

module to meet your needs.

1746-HSCE High-Speed Counter Module

The High-Speed Counter Module provides bidirectional counting of

high-speed inputs from quadrature encoders and various high-speed switches.

This single channel module accepts input pulse frequencies of up to 50k Hz,

allowing precise control of fast motions. This module is compatible with

the SLC 5/02 and higher processors.

In addition to providing an Accumulated Count, the module provides

Rate Measurement indicating the pulse frequency in Hz. The Rate

Measurement is determined by accumulating input pulses over a fixed

period of time. The dynamically configurable Rate Period ranges from

10 milliseconds to 2.55 seconds.

Features

• Three modes of operation: Range, Rate, and

Sequencer — Allows you to select the best

mode to fit your application.

• Four on-board open collector outputs —

Allows control independent of the SLC processor

scan by the module.