KEP ES749 User Manual

127 pages

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ES749

Utility Metering Flow CoMpUter

99718 05/09/16

Table of Contents3
Safety Instructions5
Introduction6
Unit Description6
Specifications7
Installation12
General Mounting Hints12
Mounting Diagrams12
Applications15
Steam Heat16
Steam Mass17
Steam Net Heat17
Steam Delta Heat18
Corrected Gas Volume19
Gas Mass20
Gas Combustion Heat21
Corrected Liquid Volume22
Liquid Mass23
Liquid Combustion Heat24
Liquid Sensible Heat25
Liquid Delta Heat26
Steam - Condensate Heat27
Wiring28
Terminal Designations28
Typical Wiring Connections29
Flow Input29
Stacked DP Input29
Pressure Input29
Temperature Input30
Temperature 2 Input30
Wiring in Hazardous Areas31
Flow Input31
Pressure Input31
Temperature Input31
Unit Operation32
Front Panel Operation Concept for Operate Mode32
General Operation33
Password Protection33
Relay Operation33
Pulse Output33
Analog Outputs33
Function Keys; Display Grouping33
Serial Port Operation34
PC Communications34
Operation of RS-232 Serial Port with Printers34
Pause Computations Prompt34
Programming35
Front Panel Operation Concept for Program Mode35
EZ Setup36
Detailed Menu Descriptions38
System Parameters39
Display44
System Units46
Fluid Data53
Flow Input58
Other Input70
Pulse Output73
Current Output76
Relays78
Communication82
Network Card89
Service & Analysis90
Principle of Operation96
General96
Square Law Flowmeter Considerations96
Flow Equations96
Flow Input Computation96
Pressure Computation97
Temperature Computation97
Density/Viscosity Computation97
Corrected Volume Flow Computation98
Mass Flow Computation99
Combustion Heat Flow Computation99
Heat Flow Computation100
Sensible Heat Flow Computation100
Liquid Delta Heat Computation100
Expansion Factor Computation for Square Law Flowmeters100
Uncompensated Flow Computation103
ILVA Flow Meter Equations104
Computation of the D105
Serial Port106
Serial Port Description106
Instrument Setup by PC over Serial Port106
Operation of Serial Communication Port with Printers106
Supertrol II RS-232 Port Pinout106
Serial Port107
Serial Port Description107
General107
Operation of Serial Communication Port with PC107
Supertrol II RS-485 Port Pinout107
Flow Computer Setup Software108
System Requirements108
Cable and Wiring Requirements108
Installation for Windows™3.1 or 3.11108
Using the Flow Computer Setup Software108
File Tab108
Setup Tab109
View Tab110
Misc. Tab110
Glossary of Terms111
Diagnosis and Troubleshooting114
Response of Supertrol II on Error or Alarm114
Diagnosis Flowchart and Troubleshooting114
Error Messages115
Fluid Properties Table118
Appendix B - Setup Menus119
Setup Menus with Operator Code Access119
Setup Menus with Supervisor Code Access120
Appendix C- RS-485 Modbus Protocol121
Description121
Wiring Pinout and Installation122
Register and Coil Usage124
Warranty127
Decoding Part Number127

Questions and Answers:

T
tknightAug 1, 2025
What to do if my KEP Desktop internal fuse is broken?
- M
  maynardchristopherAug 1, 2025
  First, check or replace the internal fuse of your KEP Desktop. If the fuse is okay, then factory service is required.

KEP ES749 Specifications

General

Brand	KEP
Model	ES749
Category	Desktop
Language	English

KEP ES749 User Manual

Table of Contents

Questions and Answers:

KEP ES749 Specifications