3 orifice (differential) meter with gas product – ProSoft Technology MVI56-AFC User Manual
Page 288
Reference
MVI56-AFC ♦ ControlLogix Platform
User Manual
Liquid and Gas Flow Computer
Page 288 of 316
ProSoft Technology, Inc.
February 25, 2011
The cumulative status bits are defined as follows:
Offset
End Offset
00
Stream 1 active
01
Stream 2 active
02
Stream 3 active
03
Stream 4 active
11
Meter enabled
12
Backplane Communication Fault
13
Measurement Configuration Changed
14
Power up
15
Cold Start
The following 20 words (default configuration) will depend on the meter type and
product group as follows:
14.5.3 Orifice (Differential) Meter with Gas Product
Start Offset
End Offset
Data Format
Type
Description
10
11
Accumulator
Snapshot
Accumulator totalizer, net
12
13
Floating point
Snapshot
Accumulator residue, net
14
15
Floating point
Flow weighted average
Flow rate, net
16
17
Floating point
Flow weighted average
Temperature
18
19
Floating point
Flow weighted average
Pressure
20
21
Floating point
Flow weighted average
Differential pressure
22
Word
Flow weighted average
Relative density, e-4
23
Word
Flow weighted average
Compressibility, reference, e-4
24
Word
Flow weighted average
Compressibility, flowing, e-4
25
Word
Flow weighted average
Supercompressibility, e-4
26
Word
Flow weighted average
Velocity of approach factor, Ev, e-4
27
Word
Flow weighted average
Expansion factor, Y, e-4
28
Word
Flow weighted average
Coefficient of discharge, Cd, e-4
29
Word
(available)