Mitsubishi Electric FR-A700 Technical Manual page 89

(3) PU connector communication system
configuration and wiring
Using the PU
communication operation from a personal computer
etc.
When the PU 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 parameters.
When performing
multiple inverters, use the RS-485 terminal. (Refer to
page 83)
1) System configuration
Station 0
Computer
Inverter
PU
RS-485
connector
interface/
terminals
RJ-45
connector
10BASE-T cable 1)
(a) Refer to the following when fabricating the
cable on the user side.
Examples of product available on the market
(as of February, 2008)
Product
10BASE-T SGLPEV-T
1)
Cable
0.5mm×4P
RJ-45
2)
5-554720-3
Connector
*1 Do not use pins No. 2, 8 of the 10BASE-T cable.
2) Connection with RS-485 computer
Computer Side Terminals Cable connection and signal direction
Description
Signal name
RDA
Receive data
RDB Receive data
SDA Send data
SDB Send data
RSA Request to send
RSB
Request to send
CSA Clear to send
CSB Clear to send
SG Signal ground
FG Frame ground
* Make connections in accordance with the manual of the
computer used.
Fully check the terminal numbers of the computer since
these vary with the model.
common
connector, you can
RS-485 communication
Station 0
Computer
Inverter
RS-232C
connector
PU
RS-232C
Maximum
connector
cable
15m
RS-232C-RS-485
converter
RJ-45
connector 2)
10BASE-T cable 1)
Type Maker
Mitsubishi Cable Industries,
*1 Ltd.
Tyco Electronics
Corporation
Inverter
PU connector
RS-485 terminal
10BASE-T cable
SDA
SDB
RDA
RDB
*
0.2mm or more
2
SG
perform
with
82
SPECIFICATIONS