Supplement to User Manual - ENGLISH Modbus Server
SU_ModbusV2-8, 2015-03-02 63
Tab. 7.4: Offset of the state of the measured values
physical quantity (integer 16 bit) offset
medium temperature T
fluid
(at the location where the flow rate is measured, supply line or return line) 0
medium temperature T
aux
(the other temperature, return line or supply line) 1
medium pressure p
fluid
(at the location where the flow rate is measured, supply line or return line) 2
medium pressure p
aux
(the other pressure, return line or supply line) 3
signal amplitude 4
sound speed 5
flow velocity 6
volumetric flow rate 7
volumetric flow rate, totalizer for positive flow direction 8
volumetric flow rate, totalizer for negative flow direction 9
standard volumetric flow rate (gas measurement) 10
standard volumetric flow rate, totalizer for positive flow direction 11
standard volumetric flow rate, totalizer for negative flow direction 12
mass flow rate 13
mass flow rate, totalizer for positive flow direction 14
mass flow rate, totalizer for negative flow direction 15
heat flow rate 16
heat flow rate, totalizer for positive flow direction 17
heat flow rate, totalizer for negative flow direction 18
concentration 19
medium temperature (supply line) 20
medium temperature (return line) 21
medium pressure (supply line) 22
medium pressure (return line) 23
compressibility coefficient of the gas (gas measurement) 24
density 25
volumetric flow rate (net),
difference between the totalizers of the positive and negative flow direction
26
standard volumetric flow rate (net),
difference between the totalizers of the positive and negative flow direction
27
mass flow rate (net),
difference between the totalizers of the positive and negative flow direction
28
heat flow rate (net)
difference between the totalizers of the positive and negative flow direction
29
Example: measuring channel: B
physical quantities: medium temperature (supply line),
medium temperature (return line)
Modbus register start address: 16200 + 20 = 16220
Modbus register range: 16220...16221
register number: 2
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