YASKAWA Varispeed-606PC3 User Manual

2 . DIGITAL
OPERATOR (JVOP-114)
(Cont'd)
2 .10 PROTECTIVE
FUNCTIONS
Protective
Explanation
Monitor Fault
Function Display output
When the inverter power supply voltage
drops, torque becomes insufficient and
Low Main
motor is overheated . Inverter output is
Volt-
Circuit
stopped
when the
main
circuit DC voltage , ,
U
I
(UV 1) Operation
age
Volt-
becomes lower than the low voltage
Protec- age
detection
level .
bon
Low
Detection level
: Approx . 210 V
or
less
(230
V,
3-phase),
170 V
(240 V, single-phase), 420
V (460 V, 3-phase) .
Overcurrent
The
inverter
output is shut-off
when the
~"
(OC)
Operation
inverter
output current becomes approx .
Protection
200°
"
6 and above of inverter rated current .
Ground-fault
The inverter output is shut-off when a
(GF)
Operation
Protection
ground-fault occurs at the inverter output
u
side .
The inverter output is shut-off when the
main
circuit DC
voltage becomes excessive
Overvoltage because of regeneration energy causedby
Protection motor deceleration and negative load .
0 U (OV)
Operation
Detection
level : Approx . 410 V or more
(230 V class 3-phase,
240 V class single-phase),
820 V or more (460 V class) .
The
fuse
clears
to
prevent wring from bung
(Not
Non
Fuse
Blown
damaged
by the short-circuit current when
displayed)
Operation
the main circuit transistor fads .
Cooling Fin
The inverter output is shut-off when the
Overheat
cooling fin overheat is detected by (OH)
Operation
(Only for
thermistor
.
Check
for
a defective
cooling
Types
of
fan
or clogged filter
Forced Cooling)

YASKAWA Varispeed-606PC3 Specifications

General

Brand	YASKAWA
Model	Varispeed-606PC3
Category	Inverter
Language	English