Modbus Register VAV-Compact VAV-Compact Contents www.belimo.
VAV-Compact Volumetric flow compact control device Modbus General Notes General information Modbus RTU Parameterisation Quick adressing Register implementation Commands Date Product Name Actuator type Protocol Transmission formats Baud rates Address Number of nodes Terminating resistor Tool 25.03.2019 VAV-Compact ..MV-D3-MOD, LHV24A-D3-MOD Modbus RTU over RS-485 1-8-N-2, 1-8-N-1, 1-8-E-1, 1-8-O-1 (Default: 1-8-N-2) 9‘600, 19‘200, 38‘400, 76‘800, 115’200 Bd (Default: 38‘400 Bd) 1...
VAV-Compact Volumetric flow compact control device Modbus Register Overview Operation Service www.belimo.com No. 1 2 3 4 5 6 7 8 9 10 11 12 13 Address 0 1 2 3 4 5 6 7 8 9 10 11 12 Register Setpoint [%] Override control Command Actuator type Relative position [%] Absolute position [°] [mm] Relative volumetric flow [%] Absolute volumetric flow [m3/h] Sensor value 1 [mV] [–] – No.
VAV-Compact Volumetric flow compact control device Modbus Register Description No. 1 Address Description Comment 0 Setpoint Setpoint for actuator between Min (Register No. 106) and Max (No. 107) 2 1 Override Control Override setpoint with defined values 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.
VAV-Compact Volumetric flow compact control device Modbus Register Description No. 100 101 Indicates if bus termination (120 Ω) is enabled Bus termination can be set with the configuration tools Range Enumeration 0: inactive 1: active Default: inactive(0) Series Number 1st part Address Description Comment 99 Bus Termination 100 Unit Scaling Access – – R/W – – – R – – – – – – – – – R R R – – R 0...Vmax Default: 0 % 0.01 R/W Vmin...10‘000 Default: 10‘000 % 0.
VAV-Compact Volumetric flow compact control device Modbus Register Description No. 111 112 113 Range Enumeration – – – Address Description Comment 110 Nominal volumetric flow 111 – 112 Nominal volumetric flow Unit Scaling Access m3/h – UnitSel 1 – 0.