Belimo UK24MOD Informacje o produkcie - Strona 11

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UK24MOD

Modbus register overview

Note
Some Modbus master number the
registers starting with 0 (not 1).
In these cases the registers are shifted
by 1 (e. g. MP1  0-19).
Actuator register
Modbus functions
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Belimo Gateway MP to Modbus RTU
The information of the connected actuators is digitised per node in 20 registers each (à 16 bit).
The resulting register ranges for the MP nodes 1-8 are:
MP Address
Offset MP[n]
MP1
0
MP2
20
MP3
40
MP4
60
MP5
80
MP6
100
MP7
120
MP8
140
Register
Number
High Byte
MP[n] + 1
Override control
MP[n] + 2
MP[n] + 3
MP[n] + 4
Actual position [%]
MP[n] + 5
Relative volumetric flow [%]
MP[n] + 6
Errors
MP[n] + 7
MP[n] + 8
Current sensor value
MP[n] + 9
Series number 1st part
MP[n] + 10
Series number 2nd part
MP[n] + 11
Series number 4th part
MP[n] + 12
MP[n] + 13
Time monitoring [s]
MP[n] + 14
MP[n] + 15
MP[n] + 16
Absolute volumetric flow
MP[n] + 17
Nominal volumetric flow
MP[n] + 18
MP[n] + 19
MP[n] + 20
The Modbus functions Read Holding Registers [3] and Preset Single Register [6] are available
for writing/reading access on the registers.
Registers with boldface script have writing access. Because of the fact that the registers are not
continuously backed up, they should be updated periodically. The Gateway sends the values to
the actuators at regular intervals.
The MP-Bus assignment is determined automatically and updated. The Actuator type register
(12) should be evaluated for the monitoring of a node.
T9-UK24MOD • en • v1.7 • 02.2014 • Subject to changes
Range
Registers 1 - 20
Registers 21 - 40
Registers 41 - 60
Registers 61 - 80
Registers 81 - 100
Registers 101 - 120
Registers 121 - 140
Registers 141 - 160
Water
Low Byte
Setpoint [%]
Command
Malfunctions
Sensor type
Actuator type
Min [%]
Max [%]
-
-
-
Air
VAV
Fire
EPIV
MPL
()
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