KROHNE GFC 300 Modbus - Manual (Page 16)

6
MODBUS PROTOCOL
16
GFC 300
www.krohne.com 03/2012 - 7312402100 - AD Modbus GFC 300 R01 en
6.8.2 Process input parameters
Modbus protocol
address Description and settings Converter Fct.
No. Type Number of
registers
1st 2nd
42000 2000 Meter size C1.1 float 2
42002 2002 GK C1.2.2 float 2
42004 2004 Limitation min C1.3.1 float 2
42006 2006 Limitation max C1.3.1 float 2
42008 2008 Flow direction C1.3.2 byte 1
42009 2009 Time constant C1.3.3 float 2
42011 2011 Low flow cutoff threshold C1.3.4 float 2
42013 2013 Low flow cutoff hysterese C1.3.4 float 2
42015 2015 Plausibility error limit C1.4.1 float 2
42017 2017 Plausibility counter decrease C1.4.2 integer 1
42018 2018 Plausibility counter limit C1.4.3 integer 1
42019 2019 VoS monitor function (steam only) C1.7 byte 1
42020 2020 Matching factor (steam only) C1.8.1 float 2
42022 2022 VoS tolerance (steam only) C1.8.4 float 2
42024 2024 VoS time constant (steam only) C1.8.5 float 2
42026 2026 Linearization C1.9.1 byte 1
42027 2027 Dynamic viscosity (gas only) C1.9.2 float 2
42029 2029 Adiabatic index (gas only) C1.10 float 2
42031 2031 P&T correction P&T correction P&T correction P&T correction (gas only)
0 = off
1 = normal
C1.11 byte 1
42032 2032 P&T inputs (gas only) C1.12 byte 1
42033 2033 Pipe temperature (gas only) C1.13 float 2
42035 2035 Pipe pressure (gas only) C1.14 float 2
42037 2037 Density (gas only) C1.15 float 2
42039 2039 Option diagnosis 1: Option diagnosis 1: Option diagnosis 1: Option diagnosis 1:
1 = none
2 = velocity of sound 1
3 = gain 1
4 = SNR 1
C1.16.1 byte 1
42040 2040 Option diagnosis 2: Option diagnosis 2: Option diagnosis 2: Option diagnosis 2:
1 = none
2 = velocity of sound 2
3 = gain 2
4 = SNR 2
C1.16.2 byte 1
42041 2041 Option diagnosis 3: Option diagnosis 3: Option diagnosis 3: Option diagnosis 3:
1 = none
2 = velocity of sound 3
3 = gain 3
4 = SNR 3
6 = SNR
C1.16.3 byte 1