Fujitsu AIRSTAGE J-III L AJ 072LELAH Series Design & Technical Manual page 638

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3-8. BACnet GATEWAY (HARDWARE)
„ MODEL: UTY-VBGX
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● The convertor for connecting VRF network system to the BMS
system using BACnet
● Maximum of 128 indoor units can be connected to one BACnet
Gateway.
● VRF system can be centrally controlled or monitored from BMS via
UTY-VBGX.
● Maximum of 4 BACnet
„ SYSTEM DIAGRAM
„
z System diagram
„
General-purpose building
control computer
(BACnet ® Gateway device)
BACnet
Lighting
facilities
Security
system
Automatic fire
alarm interface
Ventilation
system
VRF network
NOTE: UTY-VBGX and UTY-ABGX(Z1) can't co-exist within a VRF system.
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protocol.
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Gateway can be connected to one BMS.
Maximum 4 Network BACnet
Gateway (UTY-VBGX)
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BACnet
Gateway
(UTY-VBGX)
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/ IP
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BACnet
Gateway
(UTY-VBGX)
- (05 - 170) -
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Maximum 100
outdoor units
Maximum 128
indoor units
VRF network system 1
Maximum 100
outdoor units
Maximum 128
indoor units
VRF network system 4