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SPECIFICATIONS
186
6.1.2 Common specifications
Control system
Soft-PWM control/high carrier frequency PWM control (V/F control), Optimum excitation
control
Output frequency range 0.5 to 120Hz
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)
Frequency
setting
resolution
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 120Hz. Constant torque or variable torque
pattern can be selected.
Torque boost Manual and automatic torque boosts
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), voltage (0 to 30%) variable
Control specifications
Stall prevention operation
level
Operation current level can be set (0 to 150% variable), presence or absence can be selected.
Analog input 0 to 5VDC, 0 to 10VDC, 0 to
±
10VDC, 4 to 20mADC
Frequency
setting
signal
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.
Multi-speed selection
Up to 7 speeds can be selected. (Each speed can be set between 0 and
120Hz, running speed can be changed during operation from the PU
(FR-DU04/FR-PU04).)
Second acceleration/
deceleration time
selection
0 to 3600 s (up to two different acceleration and deceleration times 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.
Selection of automatic
restart after an
instantaneous power
failure
Selection of whether automatic restart is made or not after an instantaneous
power failure
External thermal relay
input
Thermal relay contact input when the thermal relay provided externally is
used to stop the inverter
FR-HC connection
Inverter operation enable input and instantaneous power failure detection
input
External DC dynamic
braking start signal
External input for DC dynamic braking start
PID control valid Selection for exercising PID control
PU-external operation
switch-over
External selection between PU and external operation
PU operation external
interlock
External interlock switch-over of PU operation
Use Pr. 180
to Pr. 186 for
selection.
Output stop Instantaneous shut-off of inverter output (frequency, voltage)
Input signals
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 switch-over operation, forward/reverse rotation
prevention, operation mode selection, PID control, computer link operation (RS-485)
Operating status
5 different signals can be selected from inverter running, up to frequency, instantaneous power
failure (undervoltage), frequency detection, second frequency detection, during PU operation,
overload alarm, electronic overcurrent protection pre-alarm, zero current detection, PID lower
limit, PID upper limit, PID forward/reverse rotation, commercial power supply-inverter switch-
over MC1, 2, 3, operation ready, fan fault and fin overheat pre-alarm minor fault. Open
collector output.
Alarm (inverter trip)
Contact output...change-over contact (230VAC 0.3A, 30VDC 0.3A) Open collector...alarm
code (4 bit) output
Operational specifications
Output signals
For meter
1 signal can be selected from output frequency, motor current (steady or peak value), output
voltage, frequency setting, running speed, converter output voltage (steady or peak value),
electronic overcurrent protection load factor, input power, output power, load meter and
reference voltage output. Pulse train output (1440 pulses/s/full scale) and analog output (0 to
10VDC).