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9
Wiring
2.3 Wiring
2.3.1
Terminal connection diagram
NOTE
y
To prevent a malfunction caused by noise, separate the signal cables more than 10cm from the power cables. Also
separate the main circuit wire of the input side and the output side.
y
After wiring, wire offcuts must not be left in the inverter.
Wire offcuts can cause an alarm, failure or malfunction. Always keep the inverter clean. When drilling mounting holes
in an enclosure etc., take care not to allow chips and other foreign matter to enter the inverter.
y
The output of the single-phase power input model is three-phase 200V.
Earth 
(Ground)
Motor
IM
Earth (Ground)
Three-phase 
AC power 
supply
MCCB
MC
R/L1
P1
P/+
PR N/-
S/L2
T/L3
U
V
W
Earth
(Ground)
*8  Brake resistor (FR-ABR, MRS, MYS type) 
Install a thermal relay to prevent an 
overheat and burnout of the brake resistor. 
(The brake resistor can not be connected 
to the 0.1K and 0.2K.)
*7  A brake transistor is not built-in to the 0.1K 
and 0.2K.
Forward 
rotation start
Reverse 
rotation start
Middle 
speed
High 
speed
Low 
speed
Output 
stop
Reset
Control input signals (No voltage input allowed)
Contact input common
24VDC power supply 
(Common for external power supply transistor)
STR
STF
RH
RM
RL
MRS
SD
PC
Relay output
Running
Frequency detection
Open collector output
Open collector output common
Sink/source common
FU
RUN
SE
A
B
C
FM
SD
Indicator
(Frequency meter, etc.)
+
-
Moving-coil type
1mA full-scale
Calibration resistor
Frequency setting signals (Analog)
2 0 to 5VDC
10(+5V)
2
3
1
Frequency 
setting 
potentiometer
1/2W1k
Ω
5(Analog common)
*4
Connector for 
plug-in option connection
Option connector
*3 Terminal input specifications 
can be changed by analog 
input specifications 
switchover (Pr. 73).
*2 When using terminals PC 
and SD as a 24VDC 
power supply, take care 
not to short across 
terminals PC and SD.
PU
connector
*9  It is not necessary when calibrating the 
indicator from the operation panel.
*
1.  DC reactor (FR-HEL) 
When connecting a DC reactor, remove the 
jumper across P1 and P/+. 
Not available for single-phase 100V power 
input model.
Control circuit terminal
Main circuit terminal
Sink logic
Jumper
*1
*8
*7
*6
*2
*3
*9
*10
USB
connector
*11
Terminal functions vary 
with the input terminal 
assignment (Pr. 178 to 
Pr. 184
)
Multi-speed selection
Terminal functions vary with 
the output terminal assignment 
(Pr. 190 and Pr. 191)
Terminal functions vary 
by Pr. 192 A,B,C terminal 
function selection
SINK
SOURCE
I
V
*5
(0 to 10VDC)
Voltage/current 
input switch
Main circuit
Control circuit
Standard control terminal block
R
RES
Relay output
(Fault output)
Brake unit
(Option)
Single-phase 
AC power 
supply
MCCB
MC
R/L1
S/L2
Single-phase power input
*6  Terminal P1 is not available for single-
phase 100V power input model.
Terminal 4 input
(Current input)
(+)
(-)
4 4 to 20mADC
*5
0 to 5VDC
0 to 10VDC
*5 Terminal input specifications can be changed by analog 
input specifications switchover (Pr. 267). Set the 
voltage/current input switch in the "V" position to select 
voltage input (0 to 5V/0 to10V) and "I" (initial value) to 
select current input (4 to 20mA). 
To use terminal 4 (initial setting is current input), set "4" 
in any of Pr.178 to Pr.184 (input terminal function selection) 
to assign the function, and turn ON AU signal.
*4  It is recommended to use 2W1k
Ω 
when the frequency setting signal 
is changed frequently. 
*10  Operation and parameter setting can be 
done from the parameter unit (FR-PU07) 
and the enclosure surface operation panel 
(FR-PA07).  
(Use the option cable (FR-CB2     ).)  
RS-485 communication can be utilized from 
a personal computer and other devices.
*11  A personal computer and an inverter can be 
connected with a USB (Ver1.1) cable.  
You can perform parameter setting and 
monitoring with the FR Configurator (FR-
SW3-SETUP-W   ).