Fujitsu AJ 126LELDH Series - Page 654

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System diagram
• Proper system diagram
Modbus
convertor
(UTY-VMGX)
Modbus
convertor
(UTY-VMGX)
Modbus
network
General purpose
Modbus
master unit
(Modbus
device)
Maximum 128
indoor units
Maximum 100
outdoor units
Maximum 100
outdoor units
Maximum 128
indoor units
Lighting
facilities
Security
system
Ventilation
system
alarm interface
Automatic fire
VRF network
Indoor unit
Outdoor unit
•
Connected unit
Maximum controllable indoor units number per 1 Modbus converter 128
Maximum controllable outdoor units number per 1 Modbus converter 100
Maximum connectable Modbus converter number per 1 VRF network system 9
Maximum number of connected Modbus converter
units to one Modbus master unit
Without repeater 31
With repeater 247
3-7. Modbus converter for VRF (UTY-VMGX) - (05-154) - 3. Adaptor/Convertor units
CONTROL SYSTEM CONTROL SYSTEM