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Communication operation and setting
(3) RS-485 terminal system configuration
Connection of a computer to the inverter (1:1 connection)
Computer
RS-485
interface/
terminals
Combination of computer and multiple inverters (1:n connection)
Computer
RS-485
interface terminals
Computer
RS-232C
converter
Maximum
RS-232C
15m
cable
Converter
192
Inverter
RS-485
terminals
*
Twisted pair cable
Station 0
Station 1
Inverter
RS-485
RS-485
terminals
terminals
*
Twisted pair cable
Station 0
Inverter
RS-485
terminals
*
Twisted pair cable
Computer
RS-232C
cable
Converter
*Set the terminating resistor switch to the "100Ω" position.
Station n
Inverter
Inverter
RS-485
terminals
*
*
Station 1
Station n
Inverter
Inverter
RS-485
RS-485
terminals
terminals
*
*
Inverter
RS-485
terminals
Maximum
15m
*
Twisted pair cable
*Set only the terminating resistor switch of the
remotest inverter to the "100Ω" position.
*Set only the terminating resistor switch of the
remotest inverter to the "100Ω" position.

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