System Configuration - Mitsubishi Electric FR-A720-0.4K Instruction Manual

(2) PU connector communication system configuration and wiring

System configuration

FR-DU07
Operation
panel
connector
FR-ADP
(option)
RJ-45 connector 2)
Communication cable 1)
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 January 2010)
Product
1)
Communication cable
2)
RJ-45 connector
* 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 331)
Computer
Inverter
PU
RS-485
connector
interface/
terminals
RJ-45 connector 2)
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
Type
SGLPEV-T (Cat5e/300m)
24AWG × 4P ∗
5-554720-3
Communication operation and setting
Station 0 Computer
Inverter RS-232C
connector
RS-232C
PU
cable
connector
RS-232C-RS-485
converter
RJ-45
connector 2)
Communication cable 1)
Communication cable
*
0.2mm 2 or more
Manufacturer
Mitsubishi Cable Industries, Ltd.
Tyco Electronics
Station 0
Inverter
PU
Maximum
connector
15m
RJ-45
connector 2)
Communication cable 1)
Inverter
PU connector
RS-485 terminal
SDA
SDB
RDA
RDB
SG
329
4