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PPC-2000 User’s Guide
Chapter 3: Operating with AnaWin 3
Doc.# 30002-00 Rev 2.3
Watlow Anafaze
109
Figure 3.9
The Secondary Channel’s Set Point is
Determined by the Primary Channel’s
Process Variable
Ratio
Control
Using ratio control the process variable of one channel or any
analog input can determine the set point of another channel.
With ratio control the set point of the
ratio
channel is
calculated by multiplying the process variable value of the
master
channel by a ratio then adding an offset.
Set Point Ratio
and
Set Point Offset
are user set parameters. By
adjusting these parameters, you can adjust the relationship
between the process variable of the master channel and the set
point of the ratio channel.
illustrates
this relationship.
The set point of the ratio loop is limited by the settings of
Max
Set Point
and
Min Set Point.
Set Point of the Secondary Channel
(Engineering Units)
Primary Channel’s Process Variable (°F)
Primary Channel’s Heat Output
(% of Full Scale)
0%
50%
100%
150°F
145°F
140°F
190°F
170°F
150°F
Содержание Anafaze PPC-2000
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Страница 14: ...Table of Contents PPC 2000 User s Guide viii Watlow Anafaze Doc 30002 00 Rev 2 3...
Страница 24: ...List of Tables PPC User s Guide xviii Watlow Anafaze Doc 30002 00 Rev 2 3...
Страница 36: ...Chapter 1 Overview PPC 2000 User s Guide 12 Watlow Anafaze Doc 30002 00 Rev 2 3...
Страница 112: ...Chapter 2 Hardware Installation PPC 2000 User s Guide 88 Watlow Anafaze Doc 30002 00 Rev 2 3...
Страница 184: ...Chapter 4 Troubleshooting PPC 2000 User s Guide 158 Watlow Anafaze Doc 30002 00 Rev 2 3...
Страница 296: ...Chapter 7 Specifications PPC 2000 User s Guide 268 Watlow Anafaze Doc 30002 00 Rev 2 3...
Страница 310: ...Appendix A Modbus Protocol PPC 2000 User s Guide 282 Watlow Anafaze Doc 30002 00 Rev 2 3...
Страница 311: ...Doc 30002 00 Rev 2 3 Watlow Anafaze 283 B Appendix B Declaration of Conformity...
Страница 319: ...PPC 2000 User s Guide Glossary Doc 30002 00 Rev 2 3 Watlow Anafaze 291...
Страница 320: ...Glossary PPC 2000 User s Guide 292 Watlow Anafaze Doc 30002 00 Rev 2 3...