218
SPECIFICATIONS
7.1.2 Common specifications
Control specifications
Control system
Selectable between Soft-PWM control and high carrier frequency PWM control (Selectable
between V/F control and advanced magnetic flux vector control)
Output frequency range 0.2 to 400Hz
Frequency
setting
resolution
Analog input
0.015Hz/60Hz (terminal 2 input: 12 bits/0 to 10V, 11 bits/0 to 5V, terminal 1 input: 12 bits/-10 to
+10V, 11 bits/-5 to +5V)
Digital input 0.01Hz
Frequency accuracy
Within ±0.2% of maximum output frequency (25
°C ±10°C for analog input, within 0.01% of set
output frequency for digital input
Voltage/frequency
characteristic
Base frequency set as required between 0 and 400Hz. Constant torque or variable torque
pattern can be selected.
Starting torque 150%: At 0.5Hz (for advanced magnetic flux vector control)
Torque boost Manual torque boost
Acceleration/deceleration
time setting
0 to 3600 s (acceleration and deceleration can be set individually), linear or S-pattern
acceleration/deceleration mode can be selected.
DC injection brake
Operation frequency (0 to 120Hz), operation time (0 to 10 s), operation voltage (0 to 30%)
variable
Stall prevention operation
level
Operation current level can be set (0 to 200% variable), presence or absence can be selected.
Operational specifications
Frequency
setting signal
Analog input 0 to 5VDC, 0 to 10VDC, 0 to ±10VDC, 4 to 20mADC
Digital input
3-digit BCD or 12-bit binary using operation panel or parameter unit
(when the FR-A5AX option is used)
Start signal
Available individually for forward rotation and reverse rotation. Start signal self-holding input (3-
wire input) can be selected.
Input signals
Multi-speed selection
Up to 15 speeds can be selected. (Each speed can be set between 0 and 400Hz, running
speed can be changed during operation from the PU (FR-DU04/FR-PU04).)
Second, third
acceleration/
deceleration time
selection
0 to 3600s (up to three different accelerations and decelerations
can be set individually.)
Jog operation
selection
Provided with jog operation mode select terminal (Note 1)
Current input selection Input of frequency setting signal 4 to 20mADC (terminal 4) is selected
Output stop Instantaneous shut-off of inverter output (frequency, voltage)
Alarm reset Alarm retained at the activation of protective function is reset.
Operation functions
Maximum/minimum frequency setting, frequency jump operation, external thermal relay input
selection, polarity reversible operation, automatic restart operation after instantaneous power
failure, commercial power supply-inverter switchover operation, forward/reverse rotation
prevention, slip compensation, operation mode selection, offline auto tuning function, online
auto tuning function, PID control, programmed operation, computer link operation (RS-485)
Output signals
Operating status
5 different signals can be selected from inverter running, up to frequency, instantaneous power
failure (undervoltage), frequency detection, second frequency detection, third frequency
detection, during program mode operation, during PU operation, overload alarm, regenerative
brake pre-alarm, electronic overcurrent protection pre-alarm, zero current detection, output
current detection, PID lower limit, PID upper limit, PID forward/reverse rotation, commercial
power supply-inverter switchover MC1, 2, 3, operation ready, brake release request, fan fault
and fin overheat pre-alarm minor fault. Open collector output.
Alarm (inverter trip)
Contact output...1 contact (230VAC 0.3A, 30VDC 0.3A)
Open collector...alarm code (4 bit) output
For meter
1 signal can be selected from output frequency, motor current (steady or peak value), output
voltage, frequency setting, running speed, motor torque, converter output voltage (steady or
peak value), regenerative brake duty, electronic overcurrent protection load factor, input power,
output power, load meter, and motor exciting current. Pulse train output (1440 pulses/s/full
scale) and analog output (0 to 10VDC).
To Next Page
Loading...
Need help?
General
