3 orifice (differential) meter with gas product – ProSoft Technology PTQ-AFC User Manual
Page 232
Reference PTQ-AFC
♦ Modicon Quantum Platform
User Manual
Liquid and Gas Flow Computer for Hydrocarbon Products
Page 232 of 259
ProSoft Technology, Inc.
June 23, 2011
Additional areas are also included in the default archive data, according to the
meter type and product group associated with the meter.
The cumulative meter alarms are defined as follows:
Offset
Description
0
Current archive, daily, cumulative meter alarm: Input out of range, temperature
1
Current archive, daily, cumulative meter alarm: Input out of range: pressure
2
Current archive, daily, cumulative meter alarm: Input out of range: differential
pressure
3
Current archive, daily, cumulative meter alarm: Input out of range: flowing density
4
Current archive, daily, cumulative meter alarm: Input out of range: water content
5
Current archive, daily, cumulative meter alarm: Differential Pressure Low
6
Current archive, daily, cumulative meter alarm: Orifice Pressure Exception
7
Current archive, daily, cumulative meter alarm: Accumulation overflow
8
Current archive, daily, cumulative meter alarm: Orifice characterization error
9
Not Used
10
Current archive, daily, cumulative meter alarm: Current archive, daily, cumulative
meter alarm: Analysis characterization error
11
Current archive, daily, cumulative meter alarm: Compressibility calculation error
12
Current archive, daily, cumulative meter alarm: Reference density error
13
Current archive, daily, cumulative meter alarm: Temperature correction error
14
Current archive, daily, cumulative meter alarm: Vapor pressure error
15
Current archive, daily, cumulative meter alarm: Pressure correction error
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:
11.6.3 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