Modbus Server Supplement to User Manual - ENGLISH
68 SU_ModbusV2-8, 2015-03-02
* depends on the selected unit of measurement in Tab. 6.3
2
state with information about the measurement:
3
state for volumetric flow rate, standard volumetric flow rate, mass flow rate, heat flow rate:
kinematic viscosity
state
4
656 integer 16 bit
value 657 mm²/s floating point number 32 bit
pressure-dependent part of the volume correction factor (vcp-value)
state
4
659 integer 16 bit
value 660 floating point number 32 bit
heat flow rate
positive flow direction 662 W floating point number 32 bit
negative flow direction 664 floating point number 32 bit
totalizer for positive flow direction 666 MWh integer 32 bit
totalizer for negative flow direction 668 integer 32 bit
state
3
670 integer 16 bit
density at standard conditions, calculated from the measured sound speed (Dens.at BC(SS))
state
4
671 integer 16 bit
value 672 kg/m³ floating point number 32 bit
specific gravity, calculated from the measured sound speed (Sp. gravity(SS))
state
4
674 integer 16 bit
value 675 floating point number 32 bit
API gravity, calculated from the measured sound speed (API-value(SS))
state
4
677 integer 16 bit
value 678 floating point number 32 bit
bit 15 14...6 4 3 2 1 0
explanation 1 = negative
flow direction
reserved 1 = the numbers of the
media on the measuring
channels are different
reserved reserved 1 = error
measuring
channel B
1 = error
measuring
channel A
totalizer for negative
flow direction
totalizer for positive
flow direction
negative
flow direction
positive
flow direction
bit 15...12 11...8 7...4 3...0
not available 0x0 0x0 0x0 0x0
ok 0x1 0x1 0x1 0x1
error 0x2 0x2 0x2 0x2
reserved 0x3...0xF 0x3...0xF 0x3...0xF 0x3...0xF
Tab. 8.2: Offset HPI
value offset unit of mea-
surement
data format
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