Modbus ® Convertor For Indoor Unit - Fujitsu AIRSTAGE J-III L AJ 072LELAH Series Design & Technical Manual

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3-6. MODBUS
„ MODEL: UTY-VMSX
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● The convertor for connecting indoor unit to the BMS system built by Modbus
open network, for manage small to medium sized BMS and indoor unit.
„ SYSTEM DIAGRAM
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z Proper system diagram
„
General-purpose
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Modbus master unit
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(Modbus device)
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Modbus Network
Modbus ® Convertor
(UTY-VMSX)
Connector cable
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Modbus Convertor
(UTY-VMSX)
Connector cable
z Connected unit
„
Maximum connectable indoor unit number per 1 Modbus
Maximum number of connected Modbus
master unit
CONVERTOR FOR INDOOR UNIT
Lighting facilities
Security system
Automatic fire
alarm interface
Ventilation system
Indoor unit
Indoor unit
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Convertor units to one Modbus
- (05 - 154) -
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Convertor
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Without repeater
With repeater
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1
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