SJ300 Inverter Specifications
Other user-settable parameters
V/F free-setting (up to 7 points), frequency upper/lower limit, frequency jump, accel/
decel curve selection, manual torque boost value and frequency adjustment, analog
meter tuning, start frequency, carrier frequency, electronic thermal protection level,
external frequency output zero/span reference, external frequency input bias start/end,
analog input selection, retry after trip, restart after instantaneous power failure, various
signal outputs, reduced voltage start, overload restriction, default value setting (US,
Europe, Japan), deceleration and stop after power failure, AVR function, fuzzy accel/
decel, auto-tuning (on-line/off-line), high-torque multi-operation, automatic energy-
saving operation
Carrier frequency range
0.5 to 15 kHz
Protective functions
Over-current, overload, braking resistor overload, over voltage, EEPROM error, under-
voltage error, CT (current transformer) error, CPU error, external trip, USP error,
ground fault, input over voltage, instantaneous power failure, expansion card 1 error,
expansion card 2 error, inverter thermal trip, phase failure detection, IGBT error,
thermistor error
Environ-
ment
Temperature (*9)
Operating (ambient): -10 to 50
°
C / Storage: -20 to 65
°
C
Humidity
20 to 90% humidity (non-condensing)
Vibration *10
Models SJ300–004xxx to 220xxx: 5.9 m/s
2
(0.6G), 10 to 55 Hz
Models SJ00–300xx to 1500xxx: 2.94 m/s
2
(0.3G), 10 to 55 Hz
Location
Altitude 1,000 m or less, indoors (no corrosive gasses or dust)
Coating color
Gray
Accessories Feedback PCB
SJ-FB (vector control loop speed sensor)
Digital input PCB
SJ-DG (4-digit BCD / 16-bit binary)
Others
EMI filters, input/output reactors, DC reactors, radio noise filters, braking resistors,
braking units, LCR filter, communication cables, factory I/O network interface cards
Operator input devices
OPE–SRE (4-digit LED with potentiometer) / OPE–S (4-digit LED w/o potentiometer),
Optional: OPE-SR (4-digit LED with potentiometer, Japanese/English overlay),
SRW–0EX Multilingual operator with copy function (English, French, German, Italian,
Spanish, and Portuguese)
Item
General Specifications