Elster Instromet 2000 Manuel utilisateur

LV6.400

FIRMWARE LV6.400

Model 2000 iss 21

202/02-09

MODEL 2000 FLOW COMPUTER

INSTRUMENT INSTRUCTION MANUAL

Model 2000 issue 21 Page No 2

In the design and construction of this equipment and instructions contained in this manual,

due consideration has been given to safety requirements in respect of statutory industrial

regulations. Users are reminded that these regulations similarly apply to installation,

operation and maintenance, safety being mainly dependent upon the skill of the operator

and strict supervisory control.

Model 2000 issue 21 Page No 3

Model 2000 issue 21 Page No 4

CONTENTS Page No.

1. INTRODUCTION...........................................................................................................................................................1

2. GENERAL DESCRIPTION............................................................................................................................................2

2.1. MODEL 2000FLOW COMPUTER FACILITIES.......................................................................................................2

2.1.1. FLOW COMPUTER TYPES............................................................................................................................2

2.1.2. FLOW COMPUTER OPERATING MODES.....................................................................................................3

2.2. FRONT PANEL CONTROLS....................................................................................................................................5

2.2.1. KEY FUNCTIONS............................................................................................................................................5

2.2.1.1. MENU SCROLL UP AND DOWN KEYS.....................................................................................................5

2.2.1.2. RETURN or ENTER KEY............................................................................................................................5

2.2.1.3. INFORMATION KEY...................................................................................................................................5

2.2.1.4. FUNCTION KEYS.......................................................................................................................................5

2.2.1.5. EXPONENT KEY.........................................................................................................................................5

2.2.1.6. NUMERIC KEYS.........................................................................................................................................5

2.2.1.7. PRINTER KEY.............................................................................................................................................5

2.2.2. INDICATOR LEDS...........................................................................................................................................6

2.2.3. FRONT PANEL PROGRAMMING PORT........................................................................................................6

2.2.4. DISPLAY..........................................................................................................................................................7

2.2.5. MAIN MENU FUNCTIONS ..............................................................................................................................8

2.2.6. MAIN MENU FUNCTION Totals......................................................................................................................9

2.2.7. MAIN MENU FUNCTION Line Conditions.....................................................................................................10

2.2.8. MAIN MENU FUNCTION Coriolis Meter .......................................................................................................10

2.2.9. MAIN MENU FUNCTION Grab Sampler.......................................................................................................11

2.2.10. MAIN MENU FUNCTION Chromatograph ....................................................................................................11

2.2.11. MAIN MENU FUNCTION Station Controller..................................................................................................11

2.2.12. MAIN MENU FUNCTION PID Controller.......................................................................................................11

2.2.13. MAIN MENU FUNCTION Gas Data ..............................................................................................................12

2.2.14. MAIN MENU FUNCTION Liquid Data ...........................................................................................................12

2.2.15. MAIN MENU FUNCTION Settings ................................................................................................................13

2.2.16. MAIN MENU FUNCTION Preset Data ..........................................................................................................13

2.2.17. MAIN MENU FUNCTION Edit .......................................................................................................................14

2.2.18. MAIN MENU FUNCTION Output set-up........................................................................................................15

2.2.19. MAIN MENU FUNCTION Alarms ..................................................................................................................16

2.2.20. MAIN MENU FUNCTION Events ..................................................................................................................16

2.2.21. MAIN MENU FUNCTION Display..................................................................................................................16

2.2.22. MAIN MENU FUNCTION System .................................................................................................................16

2.2.23. MAIN MENU FUNCTION Calibration ............................................................................................................17

2.2.24. MAIN MENU FUNCTION Board Info.............................................................................................................18

2.2.25. MAIN MENU FUNCTION Information ...........................................................................................................18

2.2.26. MAIN MENU FUNCTION General Info..........................................................................................................18

2.3. MODEL 2000 FUNCTIONS.................................................................................................................................... 19

2.3.1. PRE-SET VALUE OF TOTAL FLOWS..........................................................................................................19

2.3.2. RESET OF TOTAL FLOWS TO ZERO..........................................................................................................19

2.3.3. CLOCK...........................................................................................................................................................19

2.3.4. MAINTENANCE MODE.................................................................................................................................19

2.3.5. PROVING MODE...........................................................................................................................................19

2.3.6. HOLD TOTALS..............................................................................................................................................19

2.3.7. ACTIVE DATA SNAPSHOT REPORT...........................................................................................................19

2.3.8. CO2 EMISSION CALCULATION...................................................................................................................20

2.3.9. AGA 8 FULL CCOMPOSITION .....................................................................................................................20

2.3.10. AGA 10 VoS CALCULATION ........................................................................................................................20

2.3.11. LUBRICATION MODULE ..............................................................................................................................20

2.4. INPUT SIGNALS ....................................................................................................................................................22

2.4.1. TURBINE METER..........................................................................................................................................22

2.4.1.1. MINIMUM INPUT FREQUENCY...............................................................................................................22

2.4.1.2. TURBINE METER LINEARISATION.........................................................................................................22

2.4.1.3. BI-DIRECTION METER OPERATION ......................................................................................................22

2.4.1.4. BLADE FAILURE DETECTION.................................................................................................................23

2.4.2. ULTRASONIC GAS METER..........................................................................................................................25

2.4.2.1. UNIFORM SOFTWARE ............................................................................................................................25

2.4.2.2. METER CORRECTION FOR TEMPERATURE AND PRESSURE...........................................................25

Model 2000 issue 21 Page No 5

2.4.2.3. METER LINEARISATION..........................................................................................................................26

2.4.2.4. METER ALARMS......................................................................................................................................26

2.4.2.4.1. ACCOUNTABLE METER ALARMS................................................................................................... 26

2.4.2.4.2. NON-ACCOUNTABLE METER ALARMS..........................................................................................26

2.4.3. ORIFICE PLATE & VENTURI TUBE MEASUREMENT................................................................................ 27

2.4.3.1. DIFFERENTIAL PRESSURE MEASUREMENT....................................................................................... 28

2.4.3.1.1. DIFFERENTIAL PRESSURE UNITS................................................................................................. 28

2.4.3.1.2. HART TRANSMITTER DIFFERENTIAL PRESSURE INPUTS..........................................................28

2.4.3.1.3. ANALOGUE TRANSMITTER DIFFERENTIAL PRESSURE INPUTS...............................................28

2.4.3.2. MASS FLOW MEASURMENT LINEARISATION...................................................................................... 28

2.4.3.3. WET GAS FLOW MEASUREMENT..........................................................................................................29

2.4.3.3.1. WET GAS FLOW MEASUREMENT 1................................................................................................ 29

2.4.3.3.2. WET GAS FLOW MEASUREMENT 2................................................................................................ 29

2.4.4. CORIOLIS METER........................................................................................................................................ 29

2.4.4.1. CORIOLIS METER PULSE OUTPUT.......................................................................................................29

2.4.4.2. CORIOLIS METER SERIAL OUTPUT......................................................................................................30

2.4.4.3. CORIOLIS METER CALCULATIONS....................................................................................................... 30

2.4.5. PRESSURE AND TEMPERATURE INPUTS................................................................................................ 32

2.4.5.1. PRESSURE UNITS...................................................................................................................................32

2.4.5.2. TEMPERATURE UNITS............................................................................................................................32

2.4.5.3. HART TRANSMITTER PRESSURE AND TEMPERATURE INPUTS......................................................32

2.4.5.4. ANALOGUE TRANSMITTER PRESSURE AND TEMPERATUREINPUTS............................................ 34

2.4.5.5. PRT TEMPERATURE INPUT ...................................................................................................................34

2.4.5.6. PRESSURE & TEMPERATURE SENSOR SCALING..............................................................................34

2.4.5.7. AVERAGE PRESSURE, TEMPERATURE & DENSITY........................................................................... 34

2.4.6. MULTIPLE TRANSMITTER INPUTS.............................................................................................................35

2.4.7. GAS DATA INPUT.........................................................................................................................................35

2.4.7.1. NORMAL OPERATION.............................................................................................................................36

2.4.7.2. ALARM OPERATION................................................................................................................................37

2.4.7.3. GAS CHROMATOGRAPH INPUT ............................................................................................................37

2.4.7.4. ANALOGUE TRANSMITTER INPUTS FOR GAS DATA..........................................................................37

2.4.7.5. HEATING VALUE UNITS.......................................................................................................................... 37

2.4.7.6. AVERAGE GAS DATA..............................................................................................................................38

2.4.8. DENSITY TRANSDUCER INPUTS...............................................................................................................38

2.4.8.1. MULTIPLE DENSITY TRANSDUCER INPUTS........................................................................................38

2.4.8.2. SOLARTRON DENSITY TRANSDUCER INPUTS ................................................................................... 39

2.4.8.3. SARASOTA DENSITY TRANSDUCER INPUTS......................................................................................41

2.4.9. RELATIVE DENSITY TRANSDUCER INPUT...............................................................................................41

2.4.10. SWITCH STATUS INPUTS ...........................................................................................................................42

2.4.11. STATION PRESSURE AND TEMPERATURE INPUTS................................................................................ 43

2.4.11.1. STATION PRESSURE UNITS.............................................................................................................. 43

2.4.11.2. STATION TEMPERATURE UNITS.......................................................................................................43

2.4.11.3. HART TRANSMITTER STATION PRESSURE AND TEMPERATURE INPUTS.................................43

2.4.11.4. ANALOGUE TRANSMITTER STATION PRESSURE AND TEMPERATURE INPUTS.......................44

2.4.11.5. STATION PRESSURE & TEMPERATURE SENSOR SCALING.........................................................44

2.4.12. SMART INDEX AND ENCODER INPUT.......................................................................................................44

2.4.13. ANALOGUE INPUT FOR GRAB SAMPLER CAN LEVEL INDICATION.......................................................44

2.5. OUTPUT SIGNALS................................................................................................................................................45

2.5.1. ANALOGUE OUTPUT SIGNALS...................................................................................................................45

2.5.2. PID CONTROL ANALOGUE OUTPUT SIGNALS......................................................................................... 45

2.5.3. SWITCHED OUTPUT SIGNALS ...................................................................................................................47

2.6. ALARMS, WARNINGSAND FAULTS....................................................................................................................47

2.6.1. ACCOUNTABLE ALARMS............................................................................................................................47

2.6.1.1. GENERAL ACCOUNTABLE ALARMS......................................................................................................47

2.6.1.2. TURBINE ACCOUNTABLE ALARMS.......................................................................................................48

2.6.1.3. ULTRASONIC ACCOUNTABLE ALARMS................................................................................................48

2.6.1.4. DIFFERENTIAL PRESSURE ACCOUNTABLE ALARMS ........................................................................48

2.6.1.5. DENSITY ACCOUNTABLE ALARMS.......................................................................................................48

2.6.1.6. STATION ACCOUNTABLE ALARMS.......................................................................................................49

2.6.1.7. SMART INDEX ACCOUNTABLE ALARMS.............................................................................................. 49

2.6.1.8. CORIOLIS METER ACCOUNTABLE ALARMS........................................................................................49

2.6.1.9. GRAB SAMPLER ACCOUNTABLE ALARMS .......................................................................................... 49

2.6.2. NON-ACCOUNTABLE ALARMS...................................................................................................................49

Model 2000 issue 21 Page No 6

2.6.2.1. GENERAL NON ACCOUNTABLE ALARMS.............................................................................................49

2.6.2.2. TURBINE NON ACCOUNTABLE ALARMS..............................................................................................50

2.6.2.3. ULTRASONIC NON ACCOUNTABLE ALARMS.......................................................................................50

2.6.2.4. DIFFERENTIAL PRESSURE NON ACCOUNTABLE ALARMS ...............................................................50

2.6.2.5. DENSITY ACCOUNTABLE ALARMS.......................................................................................................50

2.6.2.6. SMART INDEX NON ACCOUNTABLE ALARMS..................................................................................... 50

2.6.2.7. CORIOLIS METER NON ACCOUNTABLE ALARMS...............................................................................50

2.6.2.8. GRAB SAMPLER NON ACCOUNTABLE ALARMS.................................................................................50

2.6.4. FAULTS.........................................................................................................................................................51

2.6.5. WARNINGS...................................................................................................................................................51

2.6.6. HIGH AND LOW FLOW ALARMS.................................................................................................................51

2.6.7. CLEARING OF ALARMS...............................................................................................................................51

2.7. PULSED OUTPUTS FOR TOTAL FLOWS............................................................................................................52

2.8. PULSED OUTPUTSFOR CONTROL FUNCTIONS..............................................................................................54

2.8.1. FLOW DIRECTION OUTPUT........................................................................................................................54

2.8.2. FIXED OUTPUT.............................................................................................................................................54

2.8.3. DIGITAL INPUT STATUS OUTPUT.............................................................................................................. 54

2.8.4. VALVE CONTROL OUTPUT.........................................................................................................................54

2.8.5. FUNCTION OUTPUT.....................................................................................................................................54

2.8.6. GRAB SAMPLER OUTPUT SIGNALS..........................................................................................................54

2.8.6.1. GRAB SAMPLER OUTPUT OPERATION................................................................................................54

2.8.6.1.1. CONFIGURATION SETTINGS..........................................................................................................54

2.8.6.2. GRAB SAMPLER CALCULATIONS..........................................................................................................55

2.9. COMMUNICATIONS PORTS.................................................................................................................................56

2.10. INPUT 2 BOARD................................................................................................................................................57

2.11. NETWORK 2 COMMUNICATION BOARD........................................................................................................58

2.13. PRINTER FACILITY...........................................................................................................................................59

2.14. POWER SUPPLY +24V dc OPERATION..........................................................................................................59

3. INSTALLATION, INITIALISATION & CALIBRATION.................................................................................................. 60

3.1. MECHANICAL INSTALLATION..............................................................................................................................60

3.2. ELECTRICAL INSTALLATION...............................................................................................................................60

3.2.1. POWER SUPPLY..........................................................................................................................................60

3.2.2. TRANSMITTER INPUT CONNECTIONS......................................................................................................60

3.2.3. HART TRANSMITTER INPUT CONNECTIONS........................................................................................... 60

3.2.4. OUTPUT SIGNAL CONNECTIONS ..............................................................................................................60

3.3. INITIALISATION.....................................................................................................................................................60

3.3.1. INTERNAL SWITCHES.................................................................................................................................60

3.3.2. SETTING THE INTERNAL SWITCHES........................................................................................................ 60

3.3.3. OPERATION..................................................................................................................................................61

3.4. SOFTWARE INSTALLATION.................................................................................................................................61

3.5. CALIBRATION........................................................................................................................................................61

3.5.1. INPUT SIGNALS............................................................................................................................................61

3.5.1.1. DIGITAL INPUT SIGNALS........................................................................................................................61

3.5.1.2. HART INPUT SIGNALS ............................................................................................................................61

3.5.1.3. ANALOGUE INPUT SIGNALS..................................................................................................................62

3.5.2. OUTPUT SIGNALS........................................................................................................................................63

3.5.2.1. DIGITAL OUTPUT SIGNALS....................................................................................................................63

3.5.2.2. ANALOGUE OUTPUT SIGNALS..............................................................................................................63

4. MAINTENANCE...........................................................................................................................................................64

4.1. INITIAL CHECKS.................................................................................................................................................... 64

4.2. REPLACEMENT PARTS........................................................................................................................................64

4.3. INPUT BOARD LINK SETTINGS...........................................................................................................................65

4.4. INPUT 2 BOARD LINK SETTINGS........................................................................................................................65

4.5. INPUT 2 BOARD 4 WIRE PRT LINK SETTINGS...................................................................................................66

4.6. OUTPUT BOARD LINK SETTINGS.......................................................................................................................66

4.7. DISPLAY BOARD LINK SETTINGS....................................................................................................................... 67

4.8. PRT INPUT BOARD LINKSETTINGS...................................................................................................................67

4.9. COMMS BOARD LINK SETTINGS........................................................................................................................67

APPENDIX 1 Alarm Information...........................................................................................................................................68

APPENDIX 1a Alarm, Warning and Fault Codes..........................................................................................................68

APPENDIX 1b Parameter Symbols For Non-Accountable Alarms................................................................................68

APPENDIX 1c Parameter Symbols for Accountable Alarms.........................................................................................69

APPENDIX 1d Temperature Alarm...............................................................................................................................72

Model 2000 issue 21 Page No 7

APPENDIX 1e Fault Codes...........................................................................................................................................72

APPENDIX 1f Warning Codes......................................................................................................................................72

APPENDIX 2 Event Codes...................................................................................................................................................73

APPENDIX 3 Gas Chromatographs Supported................................................................................................................... 75

APPENDIX 3a Instromet Encal 2000,Daniels 2251, Daniels 2551 and ABB 8X00 Chromatographs.......................... 76

APPENDIX 3b Yamatake Model HGC303 Chromatograph.......................................................................................... 78

APPENDIX 3c Siemens Optichrome Chromatograph...................................................................................................79

APPENDIX 3d Rosemount GCX Chromatograph.........................................................................................................80

APPENDIX 3e Instromet Station Controller Type 793-7SC Chromatograph Emulation...............................................81

APPENDIX 3f Instromet Model 2000 and ENSonic Chromatograph Emulation...........................................................82

APPENDIX 3g ABB Model 3100 Chromatograph.........................................................................................................83

APPENDIX 3h Instromet ENCAL 3000 Chromatograph...............................................................................................84

APPENDIX 3i Siemens Maxum II Chromatograph.......................................................................................................86

APPENDIX 3j Daniels 2350 Chromatograph...............................................................................................................87

APPENDIX 4 External Connections..................................................................................................................................... 89

APPENDIX 5 Coriolis Communications...............................................................................................................................93

APPENDIX 6 Ultrasonic Meters...........................................................................................................................................94

APPENDIX 6a Instromet QSonic...................................................................................................................................94

APPENDIX 6b Daniels Senior Sonic.............................................................................................................................95

APPENDIX 6c FlowSIC 600..........................................................................................................................................96

APPENDIX 6d Panametrics GM 868.............................................................................................................................96

APPENDIX 6e Panametrics IGM 878............................................................................................................................97

APPENDIX 7 FIGURE LIST................................................................................................................................................. 99

Model 2000 Flow Computer Instruction Manual

1.0 INTRODUCTION

Model 2000 issue 21 Page No 1

1. INTRODUCTION

The INSTROMET Model 2000 Flow Computer is designed to calculate the total energy, volume and instantaneous flow rates

of gas and alternatively Liquids. Calculation is carried out using inputs from pulse generating turbine meters or from

ultrasonic gas meters or from differential pressure measurement across orifice plates together with temperature sensors and

transmitters for line pressure. The Model 2000 uses pre-set or active input values of relative density, gas composition data

and heating value, active values can be received directly from a gas chromatograph or can be written serially from a

supervisory system.

The flow of gas is calculated using gas compressibility (Z factor) methods selected from a list of which includes AGA 8, ISO

12213 and AGA 3 NX19 as well as fixed factors for certain applications. As an alternative the flow of gas can be calculated

using a transducer input for line density.

The flow of liquid is calculated using fixed or measured factors for density and relative density and correction based upon

measured temperature and pressure of the Liquid in accordance with API standard chapters 11.2.1M, 11.2.2M & 12.

The Model 2000 has the facility of both high and low alarms on all active input signals, the alarms can be selected to enable

a default value to be used in flow calculation for the parameter in the alarm condition. Indication is given of the time of

occurrence and clearance of the alarm state, alarm output signals are also provided.

A feature of the Model 2000 is that it can use digital communication to the differential pressure, pressure and temperature

transmitters using the HART protocol eliminating the need for calibration of the Model 2000. This feature also eliminates the

errors in flow measurement due to ambient temperature effects on the Model 2000, only the temperature coefficient of the

transmitters contribute to the error.

As an alternative the Model 2000 can be operated from transmitters that supply a 4–20mA current output and also direct

from a 100 ohm platinum resistance thermometer for temperature measurement, these types of input are measured using

analogue inputs and a high resolution A-D converter. The analogue inputs are calibrated using software.

The Model 2000 has two RS232/RS485 serial data outputs which can provide Modbus RTU or ASCII communication

protocol for operation with system devices and a serial ASCII protocol compatible with most printers.

To provide maximum security of operating data and flow measurement while maintaining flexibility with the auxiliary

functions, the Model 2000 is provided with an edit facility where selected data can be changed while security can be

preserved with critical data.

All input and output signals are tested to ensure that they are within the designed operating limits, an alarm display records

the time when alarms occur and clear. During an alarm condition the total flows can be selected to be displayed on separate

counters.

Model 2000 Flow Computer Instruction Manual

2.0 GENERAL DESCRIPTION

Model 2000 issue 21 Page No 2

2. GENERAL DESCRIPTION

The Model 2000 Flow Computer comprises a standard size half width 19 inch rack which contains plug-in printed circuit

boards connected to a mother board.

The Model 2000 front panel contains a liquid crystal display, keyboard, display buttons and indicator LED's. The liquid crystal

display (LCD) is a graphic dot matrix type which is used to display all of the data entered and flow information. Thekeyboard

is used to select the data to be entered into the Model 2000 memory and select all of the displayed information.

Input and output signals are connected to the Model 2000 by 9 pin D type connectors and plug in terminal blocks located at

the rear or the unit. The Model 2000 is operated from a 24Vdc. supply.

The front and rear panel arrangement are shown in figures 1and 2.

2.1. MODEL 2000 FLOW COMPUTER FACILITIES

2.1.1. FLOW COMPUTER TYPES

The Model 2000 Flow Computer can be configured into the following basic types of measurement device.

a) Turbine Gas 1 Stream, 2 Stream or 3 Stream. t1, t2, t3

Gas flow computer 1, 2 or 3 measurement streams using Turbine or pulse type meters as the primary

flow measurement device and Pressure, Temperature andCompressibility for flow correction.

b) Ultrasonic Gas 1 Stream. u1

Gas flow computer 1 measurement stream using an Instromet Ultrasonic meter as the primary flow

measurement device (Uniform communication to meter) and Pressure, Temperature and

Compressibility for flow correction.

Gas flow computer 1 measurement stream using an FlowSIC 600 ultrasonic meter, Panametrics

GM868 or Daniel Senior Sonic ultrasonic meter as the primary flow measurement device (Modbus

RTU communication to meter) and Pressure, Temperature and Compressibility for flow correction.

c) Ultrasonic Gas 2 Streams or 3 Streams. u2, u3

Gas flow computer 2 or 3 measurement streams using Instromet Ultrasonic meters as the primary

flow measurement devices (Modbus RTU multidrop communication to meter) and Pressure,

Temperature and Compressibility for flow correction.

Gas flow computer 2 or 3 measurement streams using an FlowSIC 600 ultrasonic meter,

Panametrics GM868 or Daniel Senior Sonic ultrasonic meter as the primary flow measurement

devices (Modbus RTU multidrop communication to meter) and Pressure, Temperature and

Compressibility for flow correction.

d) Orifice Gas 1 Stream or 2 Stream. o1

Gas flow computer 1 or 2 measurement streams using Orifice plate measurement as the primary flow

measurement device and Pressure, Temperature and Compressibility for flow correction.

e) Turbine DensityGas 1 Stream. td1

Gas flow computer 1 measurement stream using Turbine or pulse type meter as the primary flow

measurement device and Density measurement for flow correction.

f) Ultrasonic Density Gas 1 Stream. ud1

Gas flow computer 1 measurement stream using an Instromet Ultrasonic meter as the primary flow

measurement device and Density measurement for flow correction.

g) Orifice Density Gas 1 Stream. od1

Gas flow computer 1 measurement stream using Orifice plate measurement as the primary flow

measurement device and Density measurement for flow correction.

h) Turbine Liquid 1 Stream, 2 Stream or 3 Stream. lt1, lt2, lt3

Liquid flow computer 1, 2 or 3 measurement streams using Turbine or pulse type meters as the

primary flow measurement device andTemperature for flow correction.

i) Turbine Liquid Density 1 Stream. ltd1

Liquid flow computer 1 measurement stream using Turbine or pulse type meters as the primary flow

measurement device and Line Density for flow correction.

j) Ultrasonic Liquid 1 Stream. lu1

Liquid flow computer 1 measurement stream using an Instromet Ultrasonic meter as the primary flow

measurement device and Temperature for flow correction.

k) Venturi 1 Stream or 2 Stream. vt1, vt2

Steam flow computer 1 or 2 measurement streams using Venturi measurement as the primary flow

measurement device and Pressure, Temperature and Compressibility for flow correction. This flow

computer is for STEAM measurement only.

Model 2000 Flow Computer Instruction Manual

2.0 GENERAL DESCRIPTION

Model 2000 issue 21 Page No 3

l) Station Controller. stn

Device to calculate Station Flow values from up to 5 individual flow computers and to distribute gas

data information to those flow computers.

m) Wet Gas Venturi 1 Stream WGV1

Steam flow computer 1 measurement stream using Venturi measurement as the primary flow

measurement device and Pressure, Temperature and Compressibility for flow correction. This flow

computer is for Wet Gas measurement only.

n) Wet Gas Venturi type 2 flow line Stream WGV21

Flow line Steam flow computer measurement stream using Venturi measurement as the primary flow

measurement device Mass flow transmitter incorporating measurements for Differential Pressure,

Pressure, Temperature and Compressibility for flow correction. This flow computer is for Wet Gas

measurement only.

o) Liquid Coriolis Meter 1 Stream or 2 Stream. lc1, lc2

Liquid flow computer 1 or 2 measurement streams using Micro Motion type Coriolis Meter

measurement as the primary flow measurement device and Density measurement device. Optional

Pressure and Temperature measurement for flow correction.

The basic type selected must be configured into the M2000 using the set-up software, this will then determine the circuit

boards required and inputs and outputs to be configured.

The Model 2000 will calculate the volume of gas or liquids using pre-set or active gas data and active input signals for

pressure and temperature and either inputs from pulse generating turbine meters, a high frequency pulse input used for flow

calculation and a low (or reference) frequency input from the index or from an Instromet type Ultrasonic gas meter or from

the differential pressure measurement across an orifice plate. The function and correction of all types of available input is

described in section 2.3 of this manual.

The flows calculated are displayed on the LCD display as a 12 digit number (8 digits- decimal- 4 digits) with the scaling

factor, units and symbol.

e.g. +Vn1 = 12345678.1234 X 100 m3

The scaling factor (symbol twf) is entered via the keyboard. The Model 2000 can be selected to total the flow on a separate

counter when an alarm condition occurs.

2.1.2. FLOW COMPUTER OPERATING MODES

The security, set-up and operational modes of the Model 2000 is initiated by the setting of mode switches located under an

access hole on the side of the Model 2000 the access hole is normally covered by a plastic cover and can also be sealed

using a self adhesive security label (See figure 16 for details) .

The designationand function of the mode switches is as follows:-

Normal RUN mode:-

Switch No. ON OFF

1 Security 1 Off Security 1 On

2 Security 2 Off Security 2 On

3 Run Mode

4 Backup Battery On Backup Battery Off

Programming Boot mode:-

Switch No. ON OFF

1 Security 1 Off Security 1 On

2 Irda Infra Red or Front Panel USB

Connector Rear Connector Skt 1

3 Boot Mode

4 Backup Battery On Backup Battery Off

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