Mitsubishi Electric FR-E8TR Instruction Manual page 28

 Combination of a computer and multiple inverters (1:n)
Computer
RS-485 interface
terminal
Computer
RS-232C
connector
RS-232C
cable
Converter
28
WIRING
Station 0
Inverter
RS-485
terminals
*1
Twisted pair cable
Station 0
Inverter
RS-485
terminals
Maximum 15m
*1
Twisted pair cable
Station 1 Station n
Inverter Inverter
RS-485 RS-485
terminals terminals
*1 *1
Station n
Station 1
Inverter Inverter
RS-485 RS-485
terminals terminals
*1 *1
*1 Set only the terminating resistor
switch of the remotest inverter to
the "100 Ω" position.
*1 Set only the terminating resistor
switch of the remotest inverter to
the "100 Ω" position.