KEP ES749 - 1.2 Specifications

ES749 Flow Computer
SAFETY INSTRUCTIONS .............................................................................................................1
1. INTRODUCTION
1.1 Unit Description ............................................................................................................2
1.2 Specications ...............................................................................................................3
2. INSTALLATION
2.1 General Mounting Hints ................................................................................................ 8
2.2 Mounting Diagrams ...................................................................................................... 8
3. APPLICATIONS
3.1 Steam Mass ................................................................................................................13
3.2 Steam Heat ................................................................................................................. 11
3.3 Steam Net Heat .......................................................................................................... 13
3.4 Steam Delta Heat .......................................................................................................14
3.5 Corrected Gas Volume ............................................................................................... 15
3.6 Gas Mass ...................................................................................................................16
3.7 Gas Combustion Heat ................................................................................................17
3.8 Corrected Liquid Volume ............................................................................................ 18
3.9 Liquid Mass ................................................................................................................19
3.10 Liquid Combustion Heat ........................................................................................... 20
3.11 Liquid Sensible Heat ................................................................................................. 21
3.12 Liquid Delta Heat ...................................................................................................... 22
3.13 Steam – Condensate Heat ....................................................................................... 23
4. WIRING
4.1 Terminal Designations ................................................................................................ 24
4.2 Typical Wiring Connections ........................................................................................ 25
4.2.1 Flow Input ................................................................................................... 25
4.2.2 Stacked DP Input ........................................................................................25
4.2.3 Pressure Input ............................................................................................25
4.2.4 Temperature Input ...................................................................................... 26
4.2.5 Temperature 2 Input ................................................................................... 26
4.3 Wiring In Hazardous Areas ......................................................................................... 29
4.3.1 Flow Input ................................................................................................... 27
4.3.2 Pressure Input ............................................................................................27
4.3.3 Temperature Input ...................................................................................... 27
5. UNIT OPERATION
5.1 Front Panel Operation Concept for Operate Mode ..................................................... 28
5.2 General Operation ...................................................................................................... 29
5.3 Password Protection ...................................................................................................29
5.4 Relay Operation ..........................................................................................................29
5.5 Pulse Output ..............................................................................................................29
5.6 Analog Outputs ........................................................................................................... 29
5.7 Function Keys; Display Grouping ............................................................................... 29
5.8 RS-232 Serial Port Operation ..................................................................................... 30
5.8.1 PC Communications ................................................................................... 30
5.8.2 Operation of RS-232 Serial Port with Printers ............................................ 30
5.9 RS-485 Serial Port Operation ..................................................................................... 30
5.10 Pause Computations Prompt .................................................................................... 30
6. PROGRAMMING
6.1 Front Panel Operation Concept for Program Mode .................................................... 31
6.2 EZ Setup ....................................................................................................................32
6.3 Detailed Menu Descriptions ........................................................................................ 34
6.4 System Parameters .................................................................................................... 35
6.5 Display ........................................................................................................................40
6.6 System Units ..............................................................................................................42
6.7 Fluid Data ...................................................................................................................49
6.8 Flow Input ................................................................................................................... 54
6.9 Other Input ..................................................................................................................66
6.10 Pulse Output .............................................................................................................69
6.11 Current Output .......................................................................................................... 70
6.12 Relays .......................................................................................................................74
6.13 Communication .........................................................................................................78
6.14 Network Card ............................................................................................................85
6.15 Service & Analysis .................................................................................................... 86
CONTENTS