Mitsubishi Electronics 520 540 Air Conditioner User Manual


 
50
Handling of the RS-485 connector
(2) Combination of computer and multiple inverters (1:n connection)
REMARKS
Refer to the following when fabricating the cable on the user side.
Example of product available on the market (as of September, 2006)
Computer
RS-232C
connector
RS-232C
cable
Converter
Inverter
Station 0
Computer
Terminating
resistor
RS-485
connector
10BASE-T cable 1)
RS-485
interface/
terminal
RJ-45 connector 2)
Station 1
Station n
(Max. 32 inverters)
Inverter
Station 1
RS-485
connector
Inverter
Station 2
Inverter
Station n
10BASE-T cable 1)
RJ-45 connector 2)
Distribution
terminal
Inverter
RS-485
connector
Inverter
RS-485
connector
RS-485
connector
RS-485
connector
Distribution
terminal
Terminating
resistor
Max. 15m
* Do not use pins No. 2, 8 (P5S) of the 10BASE-T cable.
Product Model Maker
1) 10BASE-T cable SGLPEV-T 0.5mm × 4P* Mitsubishi Cable Industries, Ltd.
2) RJ-45 connector 5-554720-3 Tyco Electronics Corporation