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Handling of the RS-485 connector
1.7.2 Wiring of RS-485 communication
Use the RS-485 connector to perform communication operation from a personal
computer etc.
When the RS-485 connector is connected with a personal, FA or other computer
by a communication cable, a user program can run and monitor the inverter or
read and write to the parameters. For parameter setting, refer to page 130.
•Conforming standard: EIA-485 (RS-485)
•Transmission format: Multidrop link system
•Communication speed: Max. 19200bps
•Overall extension: 500m
Refer to page 130 for the setting related to RS-485 communication operation.
<System configuration examples>
(1) Connection of a computer to the inverter (1:1 connection)
Computer-inverter connection cable
Refer to the following for the cable (RS-232C
⇔RS-485 converter) for connection of
the computer having the RS-232C interface with the inverter.
Example of product available on the market (as of April, 2004)
*The converter cable cannot connect two or more inverters (the computer and
inverter are connected on a 1:1 basis). Since the product is packed with the RS-
232C cable and RS-485 cable (10BASE-T + RJ-45 connector), the cable and
connector need not be prepared separately.
Model Maker
FA-T-RS40 *
Mitsubishi Electric Engineering Co., Ltd.
REMARKS
Refer to the following when fabricating the cable on the user side.
Example of product available on the market (as of April, 2004)
RS-485
connector
Inverter
Station 0
Computer
RS-485
interface/
terminal
10BASE-T cable 1)
RJ-45 connector 2)
RS-485
connector
Inverter
Station 0
Computer
10BASE-T cable 1)
RJ-45 connector 2)
RS-232C
cable
Max. 15m
RS-232C
connector
RS-232C RS-485
converter
Product Model Maker
1) 10BASE-T cable
SGLPEV-T 0.5mm
× 4P
* Do not use pins No. 2, 8 (P5S).
Mitsubishi Cable Industries, Ltd.
2) RJ-45 connector 5-554720-3 Tyco Electronics Corporation
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