Belimo UK24BAC Technical Data Manual

www.belimo.com T9-UK24BAC • en • v1.9 • 06.2018 • Subject to changes 19 / 20 ...

12 / 20 T9-UK24BAC • en • v1.9 • 06.2018 • Subject to changes www.belimo.com PICS (continued) Standard objects (per actuator) The information of the connected actuators is digitized per node in the objects as listed below (whereas n corresponds to the MP address 1-8): 1) This object is commandable. 2) This object supports unsolicited COV. 3) This Present_Value must be periodically updated. Datapoint BACnet Object Air Water VAV EPIV Fire MPL Actuator type MV 2) [n*100+0]     Set point [%] AO 1) [n*100+0]    Override operatio ...

8 / 20 T9-UK24BAC • en • v1.9 • 06.2018 • Subject to changes www.belimo.com Operation Legend The illustration shows the operation elements of the device with the front cover open. Setting the BACnet MAC address The BACnet MAC address is set in binary form with the 7 DIP switches under the front cover. The valid address range is 1-127. Values outside of this range will be interpreted as either 1 or 127, respectively. Display of the active MP nodes Addressing of the MP nodes Power LED MP-Bus LED BACnet LED Setting Baud rate Setting BACnet MAC Add ...

www.belimo.com T9-UK24BAC • en • v1.9 • 06.2018 • Subject to changes 15 / 20 BACnet object description (continued) Object Name Object Type / Instance Description Values Default MIN_STPT_[n] Analog Value [n*100+1] Minimum limit (position or flow) in % Attention: Changing the limit may result in malfunction of the device. 0…100 - MAX_STPT_[n] Analog Value [n*100+2] Maximum limit (position or flow) in % Attention: Changing the limit may result in malfunction of the device. 20…100 - NOM_FLOW_[n] Analog Value [n*100+3] Nominal volumetric flow (o ...

10 / 20 T9-UK24BAC • en • v1.9 • 06.2018 • Subject to changes www.belimo.com Operation (continued) Automatic scanning of the MP network The MP-Bus assignment is determined automatically and continuously updated. No backup of the network structure takes place. The actuator information (e.g. series number, actuator type) is extracted as soon as one supported actuator is detected at the addresses MP1…MP8. In the event of a communications interruption, the Gateway will discard the affected actuator after 10 seconds and reset the actuator register ...

6 / 20 T9-UK24BAC • en • v1.9 • 06.2018 • Subject to changes www.belimo.com Electrical installation (continued) With AC 24 V supply: Calculation of the maximum signal conductor lengths To be read out from the mass of curves: For cables with wire-Ø [mm²] Cable length [m] 0.75 29 1.00 35 1.50 50 2.50 90 The power ratings [VA] of the MP/MPL/MFT(2) actuators used are to be added, and the corresponding signal conductor lengths are to be read from the diagram. Example: The following is connected to the MP-Bus: 1 pc. NM24A-MP, 1 pc. SM24A-MP, 1 pc. ...