System Configuration - Mitsubishi Electric FR-F740-00023 Instruction Manual

Communication operation and setting
(2) PU connector communication system configuration and wiring

System configuration

FR-DU07
Operation
panel
connector
FR-ADP
(option)
RJ-45 connector
Connection with RS-485 computer
Computer Side Terminals
Signal name
RDA
RDB
SDA
SDB
RSA
RSB
CSA
CSB
SG
FG
* Make connections in accordance with the manual of the computer used. Fully check the terminal numbers of the computer since
they change with the model.
REMARKS
Refer to the following when fabricating the cable on the user side.
Commercially available product examples (as of October 2008)
* Do not use pins No. 2, 8 of the communication cable.
CAUTION
When performing RS-485 communication with multiple inverters, use the RS-485 terminals. (Refer to page 192)
190
Computer
Inverter
PU
RS-485
connector
interface/
terminals
RJ-45 connector
Communication cable 1)
Cable connection and signal direction
Description
Receive data
Receive data
Send data
Send data
Request to send
Request to send
Clear to send
Clear to send
Signal ground
Frame ground
Product
Communication
SGLPEV-T (Cat5e/300m)
1)
cable
Station 0
Inverter
RS-232C
PU
cable
connector
RJ-45
connector
Communication cable 1)
Communication cable
*
0.2mm
Type
Mitsubishi Cable Industries, Ltd.
24AWG 4P *
Station 0
Computer
Inverter
RS-232C
connector
PU
Maximum connector
15m
RS-232C-RS-485
converter
Communication cable 1)
Inverter
PU connector
RS-485 terminal
SDA
SDB
RDA
RDB
or more
2
SG
Maker
RJ-45
connector