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. The keyboard
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 1 and 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 and Compressibility 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 Density Gas 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 and Temperature 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.
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