KROHNE OPTISONIC V6 Modbus User Manual
Page 23
2011-07-19
OPTISONIC_V6_Modbus_6.doc
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Measured / entered process parameters
Parameter / Variable
(short description)
Name
Explanation
Relative
address
Absolute
address,
non-
Modicon
Absolute
address,
Modicon-
comp.
Units
Temperature process value
TemperatureProces
Value used for calculations, can either be the measured process
value, a calculated (indirectly determined) value or a manual
setting (fixed value).
25
7025
7050-7051
(2 regs)
°C
Dynamic Viscosity at Process
conditions
ViscosityDynamic-
Proces
Value used for calculations, can either be the measured process
value, a calculated (indirectly determined) value or a manual
setting (fixed value).
26
7026
7052-7053
(2 regs)
cP
Density Process
DensityProces
Value used for calculations, can either be the measured process
value, a calculated (indirectly determined) value or a manual
setting (fixed value).
27
7027
7054-7055
(2 regs)
kg/m
3
Calculated flow variables
Parameter / Variable
(short description)
Name
Explanation
Relative
address
Absolute
address,
non-
Modicon
Absolute
address,
Modicon-
comp.
Units
Flow Process
Flow_Proces
Measured volume flow rate at process conditions.
28
7028
7056-7057
(2 regs)
m
3
/s
Velocity Process
Velo_Proces
Measured gas velocity (integrated value from all paths) at
process conditions.
29
7029
7058-7059
(2 regs)
m/s
Speed of Sound
SoS
Measured speed of sound, average of all acoustic paths,
corrected for mach effect.
30
7030
7060-7061
(2 regs)
m/s
Channel Velocity, Channel 1-3 Ch_VeloRaw
“Raw” gas velocity as observed on each channel; array with
values for channel 1 through 3.
31-33
7031-7033
(3 regs)
7062-7067
(6 regs)
m/s
Reserved
Reserved
Reserved
34-36
7034-7036
(3 regs)
7068-7073
(6 regs)
-
Channel SOS, Channel 1-3
Ch_SoS
Speed of sound as observed on each channel; array with values
for channel 1 through 3.
37-39
7037-7039
(3 regs)
7074-7079
(6 regs)
m/s