Instruction manual

18
Connection and Parameter Setting
1.4.3 Connection using PU connector
(1) PU connector pin-outs
PU connector is used for connecting with a computer. Serial
port/RS-485 converter (cable) or USB/RS-485 converter
(cable) is required. 1:1 connection is supported.
Pin
Number
Name Description
1) SG
Earth (Ground)
(Connected to terminal 5)
2) — Operation panel power supply
3) RDA Inverter receive+
4) SDB Inverter send-
5) SDA Inverter send+
6) RDB Inverter receive-
7) SG
Earth (Ground)
(Connected to terminal 5)
8) — Operation panel power supply
Converter
Serial cable
Personal computer
(FR Configurator)
Inverter
PU connector
RS-232C RS-485
Serial port
USB connector
Converter
USB cable
USB RS-485
PU connector
Inverter
or
Inverter
(receptacle)
Front view
8)
to
1)
Example of FR-A700, A701, F700, F700P
1) to 8)
Inverter
(receptacle)
Front view
Example of FR-E700(SC)
8) 1)to
Inverter
(receptacle side)
viewed from bottom
Example of FR-D700, F700PJ