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About this Manual:
This manual describes the installation and operation of the CS1W-CT021/CT041 High-speed Counter
Units and includes the sections described below. Both the CS1W-CT021 and the CS1W-CT041 High-
speed Counter Units are identical and differ only in the number of Counters that they are equipped with, 2
and 4 Counters respectively. Remarks are made throughout this manual to indicate the differences
between the CS1W-CT021 and CS1W-CT041 High-speed Counter Units. The word “Unit” in this manual
refers to the corresponding High-speed Counter Unit that you are using (CS1W-CT021 or CS1W-CT041).
Please read this manual carefully and be sure you understand the information provided before attempting
to install and operate the CS1W-CT021/CT041 High-speed Counter Unit.
Be sure to read the precau-
tions provided in the following sections.
Section 1
introduces the CS1W-CT021/CT041 High-speed Counter Unit and describes the features,
functions, and specifications. It gives short instructions on how to operate the Units.
Section 2
provides information about components, wiring and installing the CS1W-CT021/CT041 High-
speed Counter Unit.
Section 3
provides information about the configuration and operation of the CS1W-CT021/CT041 High-
speed Counter Unit.
Section 4
provides information on the data-exchange and the communication interface between the
CS1W-CT021/CT041 High-speed Counter Unit and the CPU.
Section 5
provides details of the CS1W-CT021/CT041 High-speed Counter Unit’s errors, error -codes
and indicators and guidelines for troubleshooting.
Section 6
provides sample programs, according to practical applications, that can be used with the
CS1W-CT021/CT041 High-speed Counter Unit.
The
Appendices
describe a comparison with C200H-CT021 High-speed Counter Unit, the numbering of
Terminal Block Units, the numbering of External Interrupt Tasks to Outputs and a description of the
Response Time.
All through this manual where a double word is defined as for instance “n+2, n+3” this must be interpreted
as follows:
n+3 (MSW)
n+2 (LSW)
sign
x10
6
x10
5
x10
4
x10
3
x10
2
x10
1
x10
0
:BCD Double Word
0 = + (positive)
F = - (negative)
n+3 (MSW)
n+2 (LSW)
x16
7
x16
6
x16
5
x16
4
x16
3
x16
2
x16
1
x16
0
:Hexadecimal Double Word
LSW = Least Significant Word
MSW = Most Significant word
W902-E2-03.book Seite ix Donnerstag, 7. Oktober 2004 2:06 14
Содержание CS1W-CT021
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