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The benefits of AS-Interface – such as the simple, cost-saving installation and high degree of flexibility – have now established themselves in building automation. Numerous companies are already using the AS-i installation system, for example for controlling fire and smoke dampers, shutter drives or heating and cooling ceilings 

AS-i Gateways in Stainless Steel

  • BACnet
  • PROFINET
  • PROFIBUS
  • Modbus RTU
  • EtherNet/IP + Modbus TCP
  •  
Fig­ure Type Model Pro­tec­tion rat­ing 1 Field­bus in­ter­face 2 Num­ber of AS-i net­works, num­ber of AS-i Master 3 1 power sup­ply, 1 gate­way for 2 AS-i net­works, in­ex­pen­sive power sup­plies 4 Di­ag­nos­tic and con­fig­u­ra­tion in­ter­face 5 Recog­ni­tion of du­pli­cate AS-i ad­dresses 6 AS-i fault de­tec­tor 7 Pro­gram­ming in C 8 Ar­ti­cle No.
BWU3356 BACnet/IP AS-i Gateway IP20 BACnet/IP 2 AS-i networks, 2 AS-i Masters no, max. 8 A/AS-i network, redundant supply Ethernet fieldbus + Ethernet diagnostic yes yes optional BWU3356
BWU1642 RS 485 Modbus AS-i Gateway IP20 Modbus/RTU; RS 485 2 AS-i networks, 2 AS-i Masters no, max. 8 A/AS-i network, redundant supply RS 232 yes yes no BWU1642
RS 485 Modbus AS-i Gateway IP20 Modbus/RTU; RS 485 1 AS-i network, 1 AS-i Master no, max. 8 A/AS-i network RS 232 yes yes no BWU1641
BWU2239 PROFINET AS-i Gateway IP20 PROFINET 2 AS-i networks, 2 AS-i Masters no, max. 8 A/AS-i network, redundant supply Ethernet fieldbus + RS 232 yes yes optional BWU2239
BWU2380 EtherNet/IP + ModbusTCP AS-i Gateway IP20 EtherNet/IP + ModbusTCP 2 AS-i networks, 2 AS-i Masters no, max. 8 A/AS-i network, redundant supply Ethernet fieldbus + RS 232 yes yes optional BWU2380
EtherNet/IP + ModbusTCP AS-i Gateway IP20 EtherNet/IP + ModbusTCP 1 AS-i network, 1 AS-i Master no, max. 8 A/AS-i network Ethernet fieldbus + RS 232 yes yes optional BWU2379
BWU2545 PROFIBUS AS-i Gateway IP20 PROFIBUS 2 AS-i networks, 2 AS-i Masters no, max. 8 A/AS-i network, redundant supply Ethernet diagnostic yes yes optional BWU2545
PROFIBUS AS-i Gateway IP20 PROFIBUS 1 AS-i network, 1 AS-i Master no, max. 8 A/AS-i network Ethernet diagnostic yes yes optional BWU2544

Power Supplies

Fig­ure Power sup­ply 9 Op­er­at­ing volt­age Out­put cur­rent Pro­tec­tion rat­ing 1 Ar­ti­cle No.
BW1997 AS-i power supply 115 V AC / 230 V AC, power supply with range switch 8 A IP20 BW1997
AS-i power supply 90 V AC ... 265 V AC, wide range supply 4 A IP20 BW1649
AS-i power supply 115 V AC ... 250 V AC 1,8 A IP20 BW2255

Fire damper "Stand alone" control unit

  • provided as a kit in rugged plastic housing, pre-wired for easy and fast installation
  • pre-installed user software,no further configuration needed
  • centralized control of damper drives and detection of damper positions
  • plain text display and spontaneous diagnostics directly via device display and function LEDs
  • automated testing of damper function via different test modes
Fig­ure Type Model Hous­ing Pro­tec­tion rat­ing 1 Num­ber of fire dampers Num­ber of fire damper groups Num­ber of build­ing ven­ti­la­tion sys­tem re­leases Con­trol­ling ven­ti­la­tion, fire, smoke dampers Ar­ti­cle No.
BW3545 Fire damper "Stand alone" control unit BACnet, 2 AS-i networks, max. 120 fire dampers polystyrol, 450/300/209 IP65 120 6 2, extensible Requirements for Germany and EC BW3545
Fire damper "Stand alone" control unit PROFINET, 1 AS-i network, max. 60 fire dampers polystyrol, 300/300/209 IP65 60 3 1, extensible Requirements for Germany and EC BW3547
BW3550 Control program for fire damper "Stand alone" control unit software - - 120 6 2, extensible - BW3550

Fire/smoke dampers

  • Controlling ventilation, fire, smoke dampers
  • Requirements for Germany and EC
  • Requirements for Switzerland (IG-BSK)
  • 24V/230V relay
  • EN 6206 SIL2
  •  
Fig­ure Type Model Hous­ing Pro­tec­tion rat­ing 1 In­puts dig­i­tal Out­puts dig­i­tal Input volt­age (sen­sor sup­ply) 10 Out­put volt­age (ac­tu­a­tor sup­ply) 11 AS-i ad­dress 12 Ar­ti­cle No.
BW2482 ventilation damper module ventilation, fire, smoke dampers - IP54 4 2 x electronic out of AS-i out of AS-i 1 Single Slave BW2482
BW2028 ventilation damper module ventilation, fire, smoke dampers - IP54 4 2 x electronic out of AS-i out of AS-i 1 Single Slave BW2028
ventilation damper module ventilation, fire, smoke dampers - IP54 3 2 x electronic out of AUX out of AUX 1 AB Slave BW2029
BW2080 ventilation damper module ventilation, fire, smoke dampers (Switzerland) - IP54 3 2 x electronic out of AS-i out of AS-i 1 AB Slave BW2080
BW3005 ventilation damper module, Safety ventilation, fire, smoke dampers - IP54 4 2 x electronic out of AS-i out of AS-i 1 Single Slave BW3005
BW3009 ventilation damper module ventilation, fire, smoke dampers (230 V relay) - IP54 4 4 x relay out of AS-i - 1 AB Slave BW3009
ventilation damper module ventilation, fire, smoke dampers (230 V relay) - IP54 4 + 2 x fusible link 2 x relay out of AS-i - 1 AB Slave BW3010
ventilation damper module ventilation, fire, smoke dampers (230 V relay) - IP54 4 2 x relay out of AS-i - 1 AB Slave BW3011
BW2480 ventilation damper module ventilation, fire, smoke dampers surface-mounted box IP54 4 - out of AS-i - 1 AB Slave BW2480
BW2701 I/O for VAV boxes I/O modules surface-mounted box IP54 - - selectable, out of AS-i or out of AUX, Default out of AS-i selectable, out of AS-i or out of AUX, default out of AS-i 1 Single Slave BW2701
BW3412 I/O for manual call points I/O modules surface-mounted box IP54 4 4 x electronic out of AUX out of AUX 1 AB Slave BW3412

Heating, Ventilating and Air Conditioning & Building Automation in General

  • Shutter modules
  • Heating/air conditioning
  • EnOcean
  • MP Bus
Fig­ure Type Model Hous­ing Pro­tec­tion rat­ing1 In­puts dig­i­tal Out­puts dig­i­tal In­puts ana­log Out­puts ana­log Input volt­age (sen­sor sup­ply)10 Out­put volt­age (ac­tu­a­tor sup­ply)11 Con­trol­ling heat­ing/air con­di­tion­ing Ar­ti­cle No.
BW2114 shutter module controlling 230 V shutters - IP54 8 4 x relay - - out of AS-i - - BW2114
BW2536 heating/air conditioning (24 V AC/DC) heating/air conditioning, 0 … 10 V, (climate control ceilings) surface-mounted box IP54 - 2 x electronic - 2 x 0 … 10 V out of AS-i selectable, out of AS-i or out of AUX (AC/DC), default out of AS-i Controlling heating and climate control ceilings BW2536
heating/air conditioning (24 V AC/DC) analog inputs 0 ... 10 V (temperature CO2 etc.) + digital inputs surface-mounted box IP54 2 - 2 x 0 ... 10 V - selectable, out of AS-i or out of AUX (AC/DC), default out of AS-i - Recording of analog values BW2537
Heating/air conditioning heating/air conditioning (valves) surface-mounted box IP54 - 4 x electronic - - - out of AUX Controlling valves and heating valves BW2138
BW2375 connection to EnOcean connection to EnOcean white IP40 31 x 4 EnOcean 8 x 6 EnOcean out of AS-i - - BW2375
connection to EnOcean connection to EnOcean black IP40 31 x 4 EnOcean 8 x 6 EnOcean out of AS-i - - BW2473
BW2580 connection to EnOcean, surface-mounted box connection to EnOcean surface-mounted box IP40 31 x 4 EnOcean 8 x 6 EnOcean out of AS-i - - BW2580
BW2406 connection to MP-Bus connection to MP-Bus - IP54 - - - - out of AS-i out of AUX - BW2406
BWU1232 IP65, 3 x PG I/O modules 3 x PG IP65 - - 2 x 4 … 20 mA - selectable, out of AS-i or out of AUX, Default out of AS-i - - BWU1232
IP65, 3 x PG I/O modules 3 x PG IP65 - - 2 x 0 ... 10 V - selectable, out of AS-i or out of AUX, Default out of AS-i - - BWU1233
IP65, 3 x PG I/O modules 3 x PG IP65 - - - 2 x 0 ... 20 mA - selectable, out of AS-i or out of AUX, default out of AS-i - BWU1234
IP65, 3 x PG I/O modules 3 x PG IP65 - - - 2 x 0 … 10 V - selectable, out of AS-i or out of AUX, default out of AS-i - BWU1235
BWU1254 IP65, 8 x PG I/O modules 8 x PG IP65 - - 4 x Pt100 - out of AS-i - - BWU1254
IP65, 8 x PG I/O modules 8 x PG IP65 - - 4 x Pt1000 - out of AS-i - - BWU1509
BWU1933 IP20, 25 mm x 105 mm, 6 x COMBICON I/O modules 6 x COMBICON IP20 - - 4 x thermocouple type J - out of AS-i - - BWU1933
IP20, 25 mm x 105 mm, 6 x COMBICON I/O modules 6 x COMBICON IP20 - - 4 x thermocouple type K - out of AS-i - - BWU2243
BW2388 PCB, flush-mounted module, coated I/O modules coated IP00, thick coated 4 - - - out of AS-i - - BW2388
BW2128 PCB building automation I/O modules OEM board IP00 4 3 x electronic - - out of AUX out of AUX - BW2128

Active Distributors AS-i, IP67/IP20

Fig­ure Type Hous­ing Pro­tec­tion rat­ing 1 In­puts dig­i­tal Out­puts dig­i­tal Input volt­age (sen­sor sup­ply)10 Out­put volt­age (ac­tu­a­tor sup­ply) 11 Flat de­sign, in­stal­la­tion in cable duct pos­si­ble 13 LED sta­tus dis­play 14 Con­nec­tion 15 Round cable16 AS-i con­nec­tion 17 AS-i ad­dress12 Ar­ti­cle No.
BW3317 Active distributor AS-i depth: 35 mm IP67 4 4 x electronic out of AS-i out of AUX yes, depth: 35 mm yes 2 x round cables/connecting wires 1 m AS-i profile cable 1 AB Slave BW3317
Active distributor AS-i depth: 35 mm IP67 4 4 x electronic out of AS-i out of AS-i yes, depth: 35 mm yes 2 x round cables/connecting wires 1 m AS-i profile cable 1 AB Slave BW3326
BW3300 Active distributor AS-i depth: 19 mm IP67 - 4 x electronic - out of AUX yes, depth: 19 mm yes 1 x round cable/connecting wires 1 m AS-i profile cable 1 AB Slave BW3300
BW3349 Active distributor AS-i depth: 19 mm IP20 4 - out of AUX - yes, depth: 19 mm yes 8 x push in terminals no AS-i profile cable 1 AB Slave BW3349
Active distributor AS-i depth: 19 mm IP20 3 1 x electronic out of AUX out of AUX yes, depth: 19 mm yes 8 x push in terminals no AS-i profile cable 1 AB Slave BW3414
Active distributor AS-i depth: 19 mm IP20 - 4 x electronic - out of AUX yes, depth: 19 mm yes 8 x push in terminals no AS-i profile cable 1 AB Slave BWU3342

I/O Modules for installation in control cabinets/decentralized control cabinets, IP20

  • Robust, Stainless Steel in IP20
  • Cost efficient solution in IP20, 22,5 mm
  •  
Fig­ure Type Model Hous­ing Pro­tec­tion rat­ing 1 In­puts dig­i­tal Out­puts dig­i­tal Input volt­age (sen­sor sup­ply) 10 Out­put volt­age (ac­tu­a­tor sup­ply) 11 AS-i ad­dress 12 Ar­ti­cle No.
BW1926 Stainless Steel in IP20, depth: 45 mm I/O modules depth: 45 mm IP20 4 4 x relay out of AS-i - 1 Single Slave BW1926
Stainless Steel in IP20, depth: 45 mm I/O modules depth: 45 mm IP20 4 3 x relay out of AS-i - 1 AB Slave BW1808
Stainless Steel in IP20, depth: 45 mm I/O modules depth: 45 mm IP20 4 4 x electronic out of AUX out of AUX 1 AB Slave BWU1907
Stainless Steel in IP20, depth: 45 mm I/O modules depth: 45 mm IP20 4 4 x electronic out of AUX out of AUX 1 Single Slave BWU2565
Stainless Steel in IP20, depth: 45 mm I/O modules depth: 45 mm IP20 8 - out of AUX - 2 AB Slaves BWU2077
Stainless Steel in IP20, depth: 45 mm I/O modules depth: 45 mm IP20 - 8 x electronic - out of AUX 2 AB Slaves BWU2078
BW2555 Stainless Steel in IP20, depth: 90 mm I/O modules depth: 90 mm IP20 4 4 x relay out of AS-i - 1 Single Slave BW2555
Stainless Steel in IP20, depth: 90 mm I/O modules depth: 90 mm IP20 8 - out of AUX - 2 AB Slaves BWU2556
BWU3559 IP20, 22,5 mm x 92 mm, 4 x COMBICON I/O modules 4 x COMBICON IP20 4 4 x electronic out of AUX out of AUX 1 AB Slave BWU3559
BWU2723 IP20, 22,5 mm x 114 mm, 4 x COMBICON I/O modules 3 x COMBICON IP20 4 - out of AUX - 1 AB Slave BWU2723
IP20, 22,5 mm x 114 mm, 4 x COMBICON I/O modules 4 x COMBICON IP20 4 4 x electronic out of AUX out of AUX 1 AB Slave BWU1938
IP20, 22,5 mm x 114 mm, 4 x COMBICON I/O modules 4 x COMBICON IP20 4 4 x electronic out of AUX out of AUX 1 Single Slave BWU2759
IP20, 22,5 mm x 114 mm, 4 x COMBICON I/O modules 4 x COMBICON IP20 8 - out of AUX - 2 AB Slaves BWU2721
BWU2490 IP20, 22,5 mm x 114 mm, 6 x COMBICON I/O modules 6 x COMBICON IP20 8 8 x electronic out of AUX out of AUX 2 AB Slaves BWU2490
IP20, 22,5 mm x 114 mm, 6 x COMBICON I/O modules 6 x COMBICON IP20 8 8 x electronic out of AUX out of AUX 2 Single Slaves BWU2800

I/O Modules for installation on ceiling, walls and floor, IP54

Fig­ure Type Model Hous­ing Pro­tec­tion rat­ing 1 In­puts dig­i­tal Out­puts dig­i­tal Input volt­age (sen­sor sup­ply) 10 Out­put volt­age (ac­tu­a­tor sup­ply) 11 AS-i ad­dress 12 Ar­ti­cle No.
BW2139 I/O in surface-mounted box I/O modules surface-mounted box IP54 4 3 x electronic out of AUX out of AUX 1 AB Slave BW2139
I/O in surface-mounted box I/O modules surface-mounted box IP54 4 4 x electronic out of AUX out of AUX 1 AB Slave BW2137
I/O in surface-mounted box I/O modules surface-mounted box IP54 4 4 x electronic out of AUX out of AUX 1 Single Slave BW2175
I/O in surface-mounted box I/O modules surface-mounted box IP54 4 - out of AUX - 1 Single Slave BW2466

Passive Distributors AS-i, IP67

Fig­ure Type Hous­ing Pro­tec­tion rat­ing 1 Flat de­sign, in­stal­la­tion in cable duct pos­si­ble 13 Con­nec­tion 15 Round cable 16 Pro­file cable con­nec­tion Ar­ti­cle No.
BW3186 Passive distributor AS-i depth: 19 mm IP67 yes, depth: 19 mm 1 x round cable/connecting wires 0,25 m 2 x AS-i BW3186
Passive distributor AS-i depth: 19 mm IP67 yes, depth: 19 mm 1 x round cable/connecting wires 5 m 2 x AS-i BW3524
BW3157 Passive distributor AS-i depth: 19 mm IP67 yes, depth: 19 mm profile cable branch no 2 x AS-i BW3157
BWU1975 Passive distributor AS-i depth: 19 mm IP67 yes, depth: 19 mm profile cable branch no 2 x AS-i BWU1975