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Wiring of the Inverter and Computer Using RS-485
communication
1
INSTALLATION AND WIRING
(2) Connection of a computer to multiple inverters (one-to-n connection)
REMARKS
When fabricating the cable on the user side, see below.
Examples of commercially available products (as of July, '02)
* Do not use No. 2 and No. 8 pin (P5S) of the 10 BASE-T cable.
Computer
RS-232C
connector
RS-232C
cable
Maximum
15m
Converter
Distributor
10BASE-T cable
1)
Station No. 1
Inverter
RS-485
connector
Station No. 2
Inverter
RS-485
connector
Station No. n
Inverter
RS-485
connector
Terminating
resistor
RJ-45 connector
2)
Computer
RS-485
interface
terminal
Station No. 1
Inverter
RS-485
connector
Distributor
10BASE-T cable 1)
Station No. 2
Inverter
RS-485
connector
Station No. n (up to 32)
Inverter
RS-485
connector
Terminating
resistor
RJ-45 connector
2)
Product Type Maker
1) 10BASE-T cable SGLPEV-T 0.5mm × 4P * Mitsubishi Cable Industries, Ltd.
2) RJ-45 connector 5-554720-3 Tyco Electronics Corporation