Hardware reference guide

Intelligent/Special Purpose
372
35013379 02 October 2007
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, p. 342 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.
140
EHC 202 00
10 80 vdc out
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Removable Door
Customer Identification Label
(Fold label and place it inside the door)
Field Wiring
Terminal Strip
Model Number
Module Description
Color Code
LED Area
2
3
5
7
9
11
13
15
17
19
23
25
27
29
31
33
35
37
39
1
4
6
8
10
12
14
16
18
24
26
28
30
32
34
36
38
40
21
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com