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UK24BAC

 

Belimo Gateway MP to BACnet MS/TP 

 

www.belimo.com 

T9-

UK24BAC • en • v1.9 • 06.2018 • Subject to changes 

3 / 20 

 

Gateway MP BACnet MS/TP. MP-bus-
capable Belimo actuators can be 
connected on the MP-Bus side. 

 

Interface MP 

– BACnet MS/TP 

 

Connection of MP/MPL/MFT(2) 
actuators and BF-TopLine 
actuators to BACnet MS/TP 

 

Up to 8 actuators and sensors can 
be connected 

 

 

 

Technical data 

 

 

 

Electrical data 

Nominal voltage 

AC 24 V, 50/60 Hz / DC 24 V 

 

Power supply range 

AC/DC 

21.6…26.4 V 

 

For wire sizing 

3 VA / 1.8 W 

 

Connection 

BACnet MS/TP 
Supply 
MP-Bus 
 
Tool 

Plug-screw terminal, 3-pin 
Plug-screw terminal, 2-pin 
Plug-screw terminal, 3-pin 
(All terminals suitable for 2 x 1.5 mm

2

RJ12 

Functional data 

Supported actuators 

MP/MPL/MFT(2), BF-TopLine 

 

Quantity of actuators 

max. 8 pcs. 

 

Communication with actuators 

Belimo MP-Bus, Master-Slave, 1200 Bd 

 

Maximum signal conductor lengths MP 

Dependent on the number of connected actuators, 
actuator type, type of supply and signal conductor 
cross-section 
For details see page 5 

 

BACnet 

Device Profile 
Medium 
Number of nodes 
Baud rates 
 
Termination 
Polarisation 

Application Specific Controller (B-ASC) 
MS/TP (RS-485) master, galvanically isolated 
max. 32 (without repeater) 
9'600, 19'200, 38'400, 76'800 Bd,  
adjustable via DIP switch 
120 

, adjustable via DIP switch 

510 

, adjustable via DIP switch 

Safety 

Protection class 

III Safety extra-low voltage 

 

EMC 

CE pursuant to 2004/108/EC 

 

Ambient temperature 

0

…+40 °C 

Installation / Dimension / Weight 

Mounting 

Control cabinet installation, 
can be snapped onto top hat rail 35 mm 

 

Dimensions 

see page 7 

 

Weight 

ca. 100 g 

 

Summary of Contents for UK24BAC

Page 1: ...Complete overview 2 Technical data 3 Safety notes 4 Product features 4 Installation and commissioning 4 Electrical installation 5 Dimensions 7 Operation 8 Protocol Implementation Conformance Statemen...

Page 2: ...Subject to changes www belimo com Complete overview Gateway MP BACnet MS TP Suitable MP MPL MFT 2 Actuators Damper actuators Fire damper actuators VAV actuators Actuators for characterised control va...

Page 3: ...Supported actuators MP MPL MFT 2 BF TopLine Quantity of actuators max 8 pcs Communication with actuators Belimo MP Bus Master Slave 1200 Bd Maximum signal conductor lengths MP Dependent on the number...

Page 4: ...logue signal of the sensors with the Belimo actuator and transferring it via UK24BAC to the BACnet MPL actuators don t provide a sensor input Installation and commissioning Installation and wiring The...

Page 5: ...aration shall be provided for segments crossing buildings Connection of the MP Bus The network consists of a 3 pin connection MP communication and 24 V supply Possibility of connecting a maximum of 8...

Page 6: ...ite Maximum signal conductor length Wire mm L max cable length m 0 75 800 1 00 1 50 2 50 The signal conductor lengths can be significantly increased if the actuators are supplied with AC 24 V locally...

Page 7: ...the mass of curves For cables with wire mm Cable length m 0 75 55 1 00 75 1 50 110 2 50 190 The power consumption W of the MP MPL MFT 2 actuators used is to be added and the corresponding signal condu...

Page 8: ...tting 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 interprete...

Page 9: ...2 and 3 in order to reduce interference effects during communications pauses The biasing is implemented as a rule at one of the bus ends Switches 2 and 3 must always be respectively activated or deac...

Page 10: ...Gateway supports the assigning of addresses to the MP nodes by means of the keys UP OK and DOWN located behind the front cover Procedure 1 Press down the OK key and keep it down approx 2 s until LED1...

Page 11: ...orted Data Sharing ReadProperty B DS RP B Data Sharing ReadPropertyMultiple B DS RPM B Data Sharing WriteProperty B DS WP B Data Sharing WritePropertyMultiple B DS WPM B Data Sharing COV Unsolicited B...

Page 12: ...AV n 100 2 Nominal volumetric flow AV n 100 3 Object processing 1 Present_Value writeable for OVERRIDE_ n and COV_MODE 2 Present_Value writable for MIN_STPT_ n und MAX_STPT_ n 3 Only if object comman...

Page 13: ...scard the affected actuator after 10 seconds and reset the actuator type to 0 Monitoring of the actuator is thus accomplished preferably with this object Each MP node has an unambiguous series number...

Page 14: ...for EPIV units 0 65535 SNS_TYPE_ n Multi state Value n 100 3 Sensor type connected to the actuator in the absence of sensor specification the wiring at the Y input of the MP actuator will have the ef...

Page 15: ...tion of the device 20 100 NOM_FLOW_ n Analog Value n 100 3 Nominal volumetric flow or pressure The unit depends on the node type m3 h for VAV controllers Pa for VAV controller in STP mode l min for EP...

Page 16: ...ddressing function reworked Known issues Firmware V1 07 New functions modifications WritePropertyMultiple service supported Feedback values are rounded Unconfirmed COV Notification for Multi state Val...

Page 17: ...UK24BAC Belimo Gateway MP to BACnet MS TP www belimo com T9 UK24BAC en v1 9 06 2018 Subject to changes 17 20...

Page 18: ...UK24BAC Belimo Gateway MP to BACnet MS TP 18 20 T9 UK24BAC en v1 9 06 2018 Subject to changes www belimo com...

Page 19: ...UK24BAC Belimo Gateway MP to BACnet MS TP www belimo com T9 UK24BAC en v1 9 06 2018 Subject to changes 19 20...

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