Modbus protocol – KROHNE GFC 300 Modbus User Manual
Page 13

MODBUS PROTOCOL
6
13
GFC 300
www.krohne.com
03/2012 - 7312402100 - AD Modbus GFC 300 R01 en
Modbus protocol
address
Description and settings
Type
Number of registers
1st
2nd
30000
0
Volume flow
float
2
30002
2
Corrected volume flow (gas only)
float
2
Enthalpy flow (steam only)
30004
4
Mass flow
float
2
30006
6
Molar mass (gas only)
float
2
Specific enthalpy (steam only)
30008
8
Not used, returns zero (gas only)
float
2
Density (steam only)
30010
10
Flow speed
float
2
30012
12
Velocity of sound
float
2
30014
14
Gain
float
2
30016
16
Diagnostics 1
value 2436.32
1 = none
2 = velocity of sound 1
3 = gain 1
4 = SNR 1
float
2
30018
18
Diagnostics 2
value 2437.32
1 = none
2 = velocity of sound 2
3 = gain 2
4 = SNR 2
float
2
30020
20
Diagnostics 3
value 2438.32
1 = none
2 = velocity of sound 3
3 = gain 3
4 = SNR 3
float
2
30022
22
Temperature of the medium
(only with appropriate Current Input)
float
2
30024
24
Pressure of the medium
(only with appropriate Current Input)
float
2
30026
26
Operating time
float
2
30028
28
counter 1
double float 4
30032
32
Counter 2
double float 4
30036
36
Counter 3 (IO2 only)
double float 4
30040
40
Long status sensor
byte [4]
2
30042
42
Long status device
byte [4]
2
- BATCHFLUX 5500 C Quickstart EN (20 pages)
- IFC 050 Converter Quickstart EN (28 pages)
- IFC 100 Converter Quickstart EN (32 pages)
- IFC 300 Converter Quickstart EN (68 pages)
- OPTIFLUX 1000 Quickstart EN (20 pages)
- OPTIFLUX 2000 Quickstart EN (24 pages)
- OPTIFLUX 4000 Quickstart EN (24 pages)
- OPTIFLUX 4040C Quickstart EN (16 pages)
- OPTIFLUX 5000 Flange Quickstart EN (20 pages)
- OPTIFLUX 5000 Sandwich Quickstart EN (20 pages)
- OPTIFLUX 6000 Quickstart EN (28 pages)
- OPTIFLUX 7300 Quickstart EN (24 pages)
- OPTIPROBE Quickstart EN (16 pages)
- TIDALFLUX 2300 F EN (44 pages)
- TIDALFLUX 2300 F Quickstart EN (24 pages)
- WATERFLUX 3000 EN (40 pages)
- WATERFLUX 3000 Quickstart EN (24 pages)
- WATERFLUX 3070 EN (80 pages)
- WATERFLUX 3070 Quickstart EN (32 pages)
- USB ADAPTER PLUS EMF EN (16 pages)
- IFC 050 Converter Modbus EN (20 pages)
- IFC 100 Converter FOUNDATION FIELDBUS EN (64 pages)
- IFC 100 Converter Modbus EN (20 pages)
- IFC 300 Converter FOUNDATION FIELDBUS EN (60 pages)
- IFC 300 Converter HART 0102 EN (20 pages)
- IFC 300 Converter HART 0201 EN (23 pages)
- IFC 300 Converter Modbus EN (24 pages)
- IFC 300 Converter PROFIBUS PA DP EN (40 pages)
- OPTIFLUX 2000-4000 IECEx EN (16 pages)
- OPTIFLUX 2000-4000-5000-6000-7300-IFC 300 Ex EN (40 pages)
- OPTIFLUX 2000-4000-5000-6000 -IFC 100 Ex EN (24 pages)
- OPTIFLUX 4040 C Ex EN (20 pages)
- OPTIFLUX x300 Ex Zone2 EN (1 page)
- H250 M9 ES EN (36 pages)
- VA 40-VA 45 EN (36 pages)
- H250 M10 ATEX II2G Ex d EN (16 pages)
- H250 M10 ATEX II3D Ex t EN (16 pages)
- H250 M40 ATEX II2D Ex t-II2G Ex d EN (20 pages)
- H250 M40 ATEX II2G Ex i EN (20 pages)
- H250 M40 ATEX II3G Ex nA EN (20 pages)
- H250 M40 Ex II2G Reed EN (2 pages)
- H250 M9 ATEX II2G Ex i EN (16 pages)
- H250 M9S ATEX II3D Ex t-II3G Ex nA EN (20 pages)
- M8E Converter HART 0101 EN (13 pages)
- DK 32-DK 34 ATEX II2G Ex i EN (16 pages)