Hardware reference guide

Intelligent/Special Purpose
346
35013379 11/2011
140EHC20200 High Speed Counter Module
Overview
The EHC20200 offers the following features:
z Two counters that operate in pulse or quadrature mode and accept single- ended
or differential inputs.
z Two FET output switches for each counter — turned on when the counter
reaches programmed setpoint or maximum values, and turned off by changes in
counter values, software commands, or a hard wired reset from the field.
Refer to I/O Configuration for 140EHC20200, page 321 for configuring and
operating the EHC20200 with Modsoft.
EHC20200 High Speed Counter Module
The following figure shows the EHC20200 Two Channel High Speed Counter
module.