Modbus Registers OPTIMA...BLC1MOD
VAV-Compact
Volumetric flow compact control device
4 VAV-Compact Modbus Register • en-gb • 2019-03 • Subject to changes www.belimo.com
Modbus Register Description
No. Address Description
Comment
Range
Enumeration
Unit Scaling Access
1 0 Setpoint
Setpoint for actuator between Min (Register No. 106) and Max (No. 107)
0…10‘000
Default: 0
% 0.01 R / W
2 1 Override Control
Override setpoint with defined values
0: None
1: Open
2: Close
3: Min
4: Mid
5: Max
Default: None(0)
– – R / W
3 2 Command
Initiation of actuator functions for service and test
After command is sent, register returns to None(0)
With Reset(4) all Malfunction and Service Information (Register No. 105)
Information can be reset.
0: None
1: Adaption
2: Test
3: Sync
4: Reset
Default: None(0)
– – R / W
4 3 Actuator Type 0: Actuator not connected
1: Air / Water
2: VAV / EPIV
3: Fire
4: Energy Valve
5: 6way EPIV
– – R
5 4 Relative Position 0...10‘000 % 0.01 R
6 5 Absolute Position
The unit depends on the device:
[°] for actuators with rotary movement
[mm] for actuators with linear movement
0...max angle / stroke °
mm
1
1
R
7 6 Relative volumetric flow
Relative volumetric flow of Vnom
0...10‘000 % 0.01 R
8 7 Absolut volumetric flow 0...Vnom m
3
/h
Pa
1 R
9 8 Sensor 1 Value
Current value of sensor 1, depending on the setting of the Sensor 1 Type
(Register No. 108)
[mV] if Sensor 1 Type (Register No. 108) is Active(1)
[0 / 1] if Sensor 1 Type (Register No. 108) is Switch(4)
0...65‘535 mV
0 / 1
1 R
10 9 – – – – –
11 10 Absolute volumetric flow
Absolute flow in unit selected (Register No. 118) LowWord
Lower 16 bit of 32 bit value
– UnitSel 0.001 R
12 11
Absolute volumetric flow
Absolute flow in unit selected (Register No. 118) HighWord
Upper 16 bit of 32 bit value
13 12
Setpoint Analog
Shows the setoint in % if actuator is control by analog signal
0...10‘000 % 0.01 R