3-3. MODBUS
®
CONVERTOR FOR VRF
MODEL: UTY-VMGX
● The convertor for connecting VRF network system to the BMS system built
by Modbus
®
open network, for manage small to medium sized BMS and VRF
network system.
SYSTEM DIAGRAM
z
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
VRF network
Lighting
facilities
Security
system
Ventilation
system
Automatic re
alarm interface
z
Connected unit
Maximum controllable indoor unit number per 1 Modbus
®
Convertor 128
Maximum controllable outdoor unit number per 1 Modbus
®
Convertor 100
Maximum connectable Modbus
®
Convertor number per 1 VRF network system 9
Maximum number of connected Modbus
®
Convertor units to one Modbus
®
master unit
Without repeater 31
With repeater 247
- (05 - 126) -
CONTROL
SYSTEM
CONTROL
SYSTEM
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