559
4
P
RACTICAL CIRC
UI
T
S
PRACTICAL CIRCUITS
4.1.2
The inverter equipped with magnetic contactor on primary side (with FR-BU2
type brake unit)
(common)
*1
This magnetic contactor is provided to prevent an automatic restart when power is restored after a power failure. Use the start
signal (ON or OFF of STF, STR) to make a start or stop.
*2
When the power supply is 400V class, install a step-down transformer.
*3
Set [
Pr. 75
= 1] "Reset input is enabled only when the fault occurs" to disable resetting of the inverter during normal operation. (If
the inverter is reset during normal operation, the motor coasts to a stop. This setting is to prevent the inverter from resulting in a
fault if the motor is still coasting when the inverter has returned from the reset status.)
common
IM
U
V
W
R
S
T
FM
STF
STR
T
*2
F
M
C
F
Hz
*1
F
R
PB2
PB1
R
MC
F
PB4
R
F
R
SD
10
2
5
C
B
MC
PB5
PB3
*3
RES
SD
MCCB
MC
"OFF"
"ON"
Ready
Stop
Forward
rotation
Reverse
rotation
Frequency setting
potentiometer
2W1k
Motor
Ground
Resistor unit
Brake unit
Reset
PB6
Power
supply
Related parameter
Reset selection [
Pr. 75
]
Frequency meter
Moving-coil type 1mA
Inverter
FR-BU2
FR-BR
P
N
P
N
PR
PR
P
A
B
C
TH1
TH2
THS
FR-BU2
FR-BR
B C
TH1 TH2
Содержание FR-A700 Series
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