Supplement to User Manual - ENGLISH Modbus Server
SU_ModbusV2-8, 2015-03-02 53
4 Modbus Register Addresses of Selected Physical Quantities
The following table is intended to provide assistance to the user.
It contains a number of selected Modbus register addresses of the most commonly used physical quantities and diagnos-
tic values. The measured values are scaled.
The Modbus register addresses are 0-based. If the transmitter is connected to a 1-based control system or software, the
Modbus register address in the following table has to be increased by 1.
Tab. 4.1: Modbus register addresses
address
measuring
channel A
address
measuring
channel B
address
calculation
channel Y ¹
address
calculation
channel Z ¹
preset
unit of
measure-
ment ²
remarks
physical quantity
medium temperature T
fluid
(at
the location where the flow rate
is measured, supply line or re-
turn line)
1004 2004 - - °C
medium temperature T
aux
(the
other temperature, return line
or supply line)
1020 2020 - -
medium pressure p
fluid
(at the
location where the flow rate is
measured, supply line or return
line)
1036 2036 - - bar
medium pressure p
aux
(the
other pressure, return line or
supply line)
1052 2052 - -
signal amplitude
1068 2068 - - -
sound speed
1084 2084 10084 9084 m/s
flow velocity
1100 2100 10100 9100
volumetric flow rate
1116 2116 10116 9116 m³/h
volumetric flow rate,
totalizer for positive flow direc-
tion
1132 2132 10132 9132 m³
volumetric flow rate,
totalizer for negative flow direc-
tion
1148 2148 10148 9148
standard volumetric flow rate
(gas measurement)
1164 2164 10164 9164
m³/h
standard volumetric flow rate,
totalizer for positive flow direc-
tion
1180 2180 10180 9180
m³
standard volumetric flow rate,
totalizer for negative flow direc-
tion
1196 2196 10196 9196
mass flow rate
1212 2212 10212 9212 kg/s
¹
For information regarding calculation channel Y, Z see user manual FLUXUS or PIOX.
² The preset unit of measurement can be changed. For an overview of the IDs of the unit of measurement see annex A.
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