9-3
Control Characteristics
Model
number
3G3FV-
A2004 A2007 A2015 A2022 A2037 A2055 A2075 A2110 A2150 B2185 B2220 B2300 B2370 B2450 B2550 B2750
-E
Power supply
harmonic
countermea-
sures
DC reactor (option) connection possible.
DC reactor built in
Control meth-
od
Sine wave PWM (high-carrier frequency control)
Carrier fre-
quency
0.4 to 15 kHz (2.0 to 15 kHz in vector control) 0.4 to 10 kHz (2.0 to 10 kHz in vector
control)
Speed control
range
1:100 (1:1000 with PG)
Speed control
precision
±
0.2% (
±
0.02% with PG)
Speed control
response
5 Hz (30 Hz with PG)
T
orque charac
-
teristics
150% at 1 Hz (150% at 0 rpm with PG). A torque limit function is incorporated.
T
orque control
precision
±
5% (with PG)
T
orque control
response
40 Hz (with PG)
Frequency
control range
0.1 to 400 Hz
Frequency pre
-
cision
(temperature
characteris-
tics)
Digital references:
±
0.01% (–10 to 40
°C)
Analog references:
±
0.1% (25
±10°C)
Frequency set
-
ting resolution
Digital references:
0.01 Hz (Less than 100 Hz), 0.1 Hz (100 Hz or higher)
Analog references:
0.03 Hz/60 Hz (1
1 bits + sign)
Output fre-
quency resolu
-
tion
0.001 Hz
Overload
capacity
150% of rated current for one minute
Frequency set
-
ting signal
0 to
±10 VDC (20 kΩ
), 0 to 10 VDC (20 k
Ω
) voltage input or 4 to 20 mA (250
Ω
) current input
Acceleration/
Deceleration
time
0.01 to 6000.0 s (4 selectable combinations of independent acceleration and deceleration settings)
Braking torque
Approximately 20% (Increment possible with an external braking resistor
.)
Voltage/fre-
quency charac
-
teristics
Select vector control, one from 15 types of fixed V/f patterns, or set a user V/f pattern.
Protective Functions
Model
number
3G3FV-
A2004 A2007 A2015 A2022 A2037 A2055 A2075 A2110 A2150 B2185 B2220 B2300 B2370 B2450 B2550 B2750
-E
Motor protec
-
tion
Protection by electronic thermal.
Instantaneous
overcurrent
protection
Stops at approx. 200% of rated output current.
Overload
protection
Stops in one minute at approx. 150% of rated output current.
Overvoltage
protection
Stops when main-circuit DC voltage is approx. 410 V
.
Undervoltage
protection
Stops when main-circuit DC voltage is approx. 190 V
.
Momentary
power inter-
ruption com
-
pensation
(selection)
Stops for 15 ms or more. By selecting the momentary power interruption mode, operation can be continued if power is
restored within 2 s.
Cooling fin
overheating
Protection by thermistor
.
Specifications Chapter
9
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