Mitsubishi FR-A800

(N) Operation via communication and its settings
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PARAMETERS
Wiring and configuration of PU connector communication system
• System configuration
• Wiring of computer by RS-485
 Make connection in accordance with the Instruction Manual of the computer to be used with. Fully check the terminal numbers of the computer
since they vary with the model.
NOTE
• When performing RS-485 communication with multiple inverters, use the RS-485 terminals. (Refer to page 558.)
• Computer-inverter connection cable
Refer to the following for the connection cable (RS-232C  RS-485 converter) between the computer with an RS-232C
interface and an inverter. Commercially available products (as of November 2013)
 The conversion cable cannot connect multiple inverters. (The computer and inverted are connected in a 1:1 pair.) This product is a RS-232C 
RS-485 conversion cable that has a built-in converter. No additional cable or connector is required. For the product details, contact the
manufacturer.
• Refer to the following table when fabricating the cable on the user side.
Commercially available products (as of November 2013)
 Do not use pins No. 2 and 8 of the communication cable.
PU
connector
Inverter
Station 0
Computer
RS-485
interface/
terminals
Communication cable
RJ-45
connector
PU
connector
Inverter
FR-DU08
Communication cable
RJ-45 connector
RJ-45 connector
Operation
panel
connector
FR-ADP
(option)
PU
connector
Inverter
Station 0
Computer
Communication cable
RJ-45
connector
RS-232C
connector
RS-232C-RS-485
converter
RS-232C
cable
Maximum
15 m
Computer Side Terminals
Send data
Send data
Receive data
Receive data
Description
Frame ground
Signal ground
Clear to send
Clear to send
Request to send
Request to send
SDB
SDA
RDB
RDA
Signal name
FG
SG
CSB
CSA
RSB
RSA
RDB
RDA
SDB
SDA
PU connector
SG
Inverter
∗1
0.2 mm
2
or more
Cable connection and signal direction
Communication cable
Model Manufacturer
Interface embedded cable
DAFXIH-CAB (D-SUB25P for personal computer side)
DAFXIH-CABV (D-SUB9P for personal computer side)
+
Connector conversion cable DINV-485CAB (for inverter side)

Diatrend Corp.
Interface embedded cable dedicated for inverter
DINV-CABV

Name Model Manufacturer
Communication cable SGLPEV-T (Cat5e/300m) 24AWG  4P Mitsubishi Cable Industries, Ltd.
RJ-45 connector 5-554720-3 Tyco Electronics