Fujitsu AJ 126LELDH Series Design & Technical Manual page 661

¢ System diagram
• Proper system diagram
• Connected unit
Maximum controllable indoor units number per 1 Modbus converter
Maximum number of connected Modbus converter
units to one Modbus master unit
3-8. Modbus converter for indoor unit (UTY-VMSX)
General purpose
Modbus master unit
(Modbus device)
Modbus network
Modbus convertor
(UTY-VMSX)
Connector cable
Modbus convertor
(UTY-VMSX)
Connector cable
- (05-161) -
Lighting facilitie
Security system
Automatic fire
alarm interface
Ventilation system
Indoor unit
Indoor unit
Without repeater
With repeater
1
31
247
3. Adaptor/Convertor units