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7
Appendix A
&
Inverter model 3G3IV-
-
200 to 230 V
B2750
B2550
B2450
B2370
B2300
Power supply
Rated input voltage and
frequency
3-Phase: 200/208/220 V, 50 Hz, 200/208/220/230 V, 60 Hz
Allowable voltage fluctuation
±
10%
Allowable frequency
fluctuation
±
5%
Control characteristics
Control method
Sine wave PWM
Frequency control range
0.1 to 400 Hz
Frequency accuracy
Digital command:
0.01%, +14
°
to 104
°
F, --10
°
to 40
°
C
Analog command:
0.1%, 77
°
±
18
°
F, 25
°
±
10
°
C
Frequency resolution
Digital operator reference: 0.1 Hz
Analog reference:
0.06 Hz/60 Hz
Output frequency resolution
0.01 Hz (1/30000)
Overload capacity
150% rated output current for one minute/
110% max. continuous output current for 1 minute
Frequency setting signal
0 to 10 VDC (20 k
Ω
), 4 to 20 mA (250
Ω
),
0
±
10 V (OPTIONAL)
Accel/Decel time
0.1 to 6000 sec. (Accel/Decel time setting independently)
Braking torque
Approx. 20%
No. of V-f patterns
(Total of 16)
4: For general purpose
4: For high starting torque:
4: For fans and pumps
3: For machine tools.
Protective functions
Motor overload protection
Electric thermal overload relay
Instantaneous overcurrent
Motor coasts to a stop at approx. 200% rated current.
Fuse blown protection
Motor coasts to a stop by blown-fuse.
Overload
Motor coasts to a stop for 1 minute at 150% rated output
current/motor coasts to a stop for 1 minute at 110% max.
continuous output current.
Overvoltage
Motor coasts to a stop if converter output voltage exceeds
400 V.
Undervoltage
Motor coasts to a stop if converter output voltage drops to
210 V or below.
Momentary power loss
Immediately stop by 15 ms and above momentary power loss.
(Continuous system operation during power loss less than
2 sec is equipped as standard.) Setting made before
shipment.
Fin overheat
Thermostat
Stall prevention
Stall prevention at acceleration/deceleration and constant
speed operation
Ground fault
Provided by electronic circuit
Power charge indication
Charge lamp stays ON until bus voltage drops below 50 V.
Environmental
diti
Location
Indoor (protected from corrosive gases and dust)
conditions
Ambient temperature
Enclosed type, totally-enclosed type:
+14
°
to 104
°
F (--10
°
to +40
°
C)
Open chassis type: +14
°
to 122
°
F (--10
°
to +50
°
C)
(not frozen) (see note 3)
Storage temperature
(See Note 4)
--4
°
to 140
°
F (--20
°
to +60
°
C)
Humidity
90% RH (non-condensing)
Содержание SYSDRIVE 3G3IV
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