Baker Hughes Panametrics XMT686i, User Manual

Page: 24 / 100

Chapter 1. Modbus Communications
14 Communications Options User’s Guide
Table 6: MODBUS Registers for a Sentinel Flowmeter
MODBUS Reg # Description Default Unit Refresh Size in Bytes
1, 2* Actual Volumetric Flow 0
am
3
/hr
1s 4 (IEEE 32 bit Float)
3, 4* Soundspeed 0 m/s 1s 4 (IEEE 32 bit Float)
5 Measurement Status 0 1s 2 (16 bit Int)
6, 7* Area Average Velocity 0 m/s 1s 4 (IEEE 32 bit Float)
8, 9* Normal Volumetric Flow 0
sm
3
/hr
1s 4 (IEEE 32 bit Float)
10, 11, 12, 13** Actual Volume Forward Total 0
am
3
2s 8 (64 bit double
precision)
14, 15, 16, 17** Actual Volume Reverse Total 0
am
3
2s 8 (64 bit double
precision)
18, 19, 20, 21** Normal Volume Forward Total 0
sm
3
2s 8 (64 bit double
precision)
22, 23, 24, 25** Normal Volume Reverse Total 0
sm
3
2s 8 (64 bit double
precision)
26, 27* Mass Flow 0 kg/hr 2s* 4 (IEEE 32 bit Float)
28, 29* Forward Mass Total 0 kg 2s* 4 (IEEE 32 bit Float)
30, 31* Reverse Mass Total 0 kg 2s* 4 (IEEE 32 bit Float)
32, 33* Energy Flow 0 J/hr 5s* 4 (IEEE 32 bit Float)
34, 35* Forward Energy Total 0 J 5s* 4 (IEEE 32 bit Float)
36, 37* Reverse Energy Total 0 J 5s* 4 (IEEE 32 bit Float)
38, 39* Pressure
10
5
Pa 10s/Fixed 4 (IEEE 32 bit Float)
40, 41* Temperature 20 C 10s/Fixed 4 (IEEE 32 bit Float)
42 Super Compressibility Factor x 1000 1000 10s/Fixed 2 (16 bit Int)
43 Density x 1000 1000
lb/ft
3
10s/Fixed 2 (16 bit Int)
44
Kinematic Viscosity x 10
8
1000
m
2
/s
10s/Fixed* 2 (16 bit Int)
45 Heating Value 25000
kJ/m
3
10s/Fixed* 2 (16 bit Int)
46 Path A Velocity 0 m/s x 1000 10s 2 (16 bit Int)
47 Path A Sound Speed 0 m/s x 10 10s 2 (16 bit Int)
48 Path A% Readings in Error 0 10s 2 (16 bit Int)
49 Path A Last Error 0 10s* 2 (16 bit Int)
50 Path B Velocity 0 m/s x 1000 10s 2 (16 bit Int)
51 Path B Sound Speed 0 m/s x 10 10s 2 (16 bit Int)
52 Path B% Readings in Error 0 10s 2 (16 bit Int)
53 Path B Last Error 0 10s* 2 (16 bit Int)
54 Path C Velocity 0 m/s x 1000 10s 2 (16 bit Int)
55 Path C Sound Speed 0 m/s x 10 10s 2 (16 bit Int)
56 Path C% Readings in Error 0 10s 2 (16 bit Int)
57 Path C Last Error 0 10s* 2 (16 bit Int)
58 Path D Velocity 0 m/s x 1000 10s 2 (16 bit Int)
59 Path D Sound Speed 0 m/s x 10 10s 2 (16 bit Int)
60 Path D% Readings in Error 0 10s 2 (16 bit Int)