Appendix A
7
!
Inverter model 3G3IV-
-
380 to 460 V
B4450
B4370
B4300
B4220
B4185
B4150
B4110
Control characteristics
Output frequency resolution
0.01 Hz (1/30000)
Overload capacity
150% rated output current for one 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:
1: For adjustable pattern
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.
Overvoltage
Motor coasts to a stop if converter output voltage exceeds
800 V.
Undervoltage
Motor coasts to a stop if converter output voltage drops to
420 V or below (See Note 3).
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. See Note 2.) 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
+4
°
to 104
°
F (--10
°
to +40
°
C) (not frozen)
Storage temperature
(See Note 4)
--4
°
to 140
°
F (--20
°
to +60
°
C)
Humidity
90% RH (non-condensing)
Vibration
1 G less than 20 Hz, up to 0.2 G at 20 to 50 Hz
Note
1.
Our standard 4-pole motor is used for max applicable motor output.
2.
Allowable values for the applications not required overload.
3.
For Models of 4.1 kVA or less, continuous system operation during power loss less than 1 sec, for
models with capacitor (option), less than 2 seconds.
4.
Temperature during shipping (for short period).
Summary of Contents for SYSDRIVE 3G3IV
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