4
SPECIFICATIONS
2.2 Common specifications
Control specifications
Control method High carrier frequency PWM control (V/F control, Advanced magnetic flux vector control and Real sensorless vector
control are available) / vector control *1
Output frequency range 0.2 to 400Hz (The maximum frequency is 120Hz under Real sensorless vector control and vector control *1.)
Frequency
setting
resolution
Analog input
0.015Hz/60Hz (terminal 2, 4: 0 to 10V/12bit)
0.03Hz/60Hz (terminal 2, 4: 0 to 5V/11bit, 0 to 20mA/about 11bit, terminal 1: 0 to ±10V/12bit)
0.06Hz/60Hz (terminal 1: 0 to ±5V/11bit)
Digital input 0.01Hz
Frequency
accuracy
Analog input Within ±0.2% of the max. output frequency (25°C±10°C)
Digital input Within 0.01% of the set output frequency
Voltage/frequency
characteristics
Base frequency can be set from 0 to 400Hz Constant torque/variable torque pattern or adjustable 5 points V/F can be
selected
Torque boost Manual torque boost
Acceleration/deceleration
time setting
0 to 3600s (acceleration and deceleration can be set individually), linear or S-pattern acceleration/deceleration mode,
backlash measures acceleration/deceleration mode are available.
DC injection brake Operation frequency (0 to 120Hz), operation time (0 to 10s), operation voltage (0 to 30%) can be changed
Stall prevention operation
level Operation current level can be set (0 to 220% adjustable), whether to use the function or not can be selected
Torque limit level Torque limit value can be set (0 to 220% variable)
Operation specifications
Frequency
setting
signal
Analog input Terminal 2, 4: 0 to 10V, 0 to 5V, 4 to 20mA (0 to 20mA) can be selected
Terminal 1: -10 to +10V, -5 to +5V can be selected
Digital input Input using the setting dial of the operation panel or parameter unit
Four-digit BCD or 16-bit binary (when used with option FR-A7AX)
Start signal Forward and reverse rotation or start signal automatic self-holding input (3-wire input) can be selected.
Input signals
(twelve terminals)
The following signals can be assigned to
Pr. 178 to Pr. 189 (input terminal function selection)
: multi speed selection,
remote setting, stop-on-contact, second function selection, third function selection, terminal 4 input selection, JOG
operation selection, selection of automatic restart after instantaneous power failure, flying start, external thermal relay
input, PU operation/external inter lock signal, external DC injection brake operation start, PID control enable terminal,
brake opening completion signal, PU operation/External operation switchover, load pattern selection forward rotation
reverse rotation boost, V/F switchover, load torque high-speed frequency, S-pattern acceleration/deceleration C
switchover, pre-excitation, output stop, start self-holding selection, control mode switchover, torque limit selection,
start-time tuning start external input, torque bias selection 1, 2
*1
, P/PI control switchover, forward rotation command,
reverse rotation command, inverter reset, PTC thermistor input, PID forward reverse operation switchover, PU-NET
operation switchover, NET-External operation switchover, command source switchover, simple position pulse train
sign, simple position droop pulse clear, magnetic flux decay output shutoff.
Pulse train input 100kpps
Operational functions
Maximum/minimum frequency setting, frequency jump operation, external thermal relay input selection, polarity
reversible operation, automatic restart after instantaneous power failure operation, electronic bypass operation,
forward/reverse rotation prevention, remote setting, brake sequence, second function, third function, multi-speed
operation, stop-on-contact control, load torque high speed frequency control, droop control, regeneration avoidance,
slip compensation, operation mode selection, offline auto tuning function, online auto tuning function, PID control,
computer link operation (RS-485), motor end orientation *1, machine end orientation *2, pre-excitation, notch filter,
machine analyzer *1, easy gain tuning, speed feed forward, and torque bias *1
Output signals
Open collector output
(5 terminals)
Relay output (2 terminals)
The following signals can be assigned to Pr. 190 to Pr. 196 (output terminal function selection): inverter running, inverter
running/start command on, up-to-frequency, instantaneous power failure/undervoltage, overload warning, output
frequency (speed) detection, second output frequency (speed) detection, third output frequency (speed) detection,
electronic thermal relay function pre-alarm, PU operation mode, output current detection, zero current detection, PID
lower limit, PID upper limit, PID forward rotation reverse rotation output, electronic bypass MC1, electronic bypass
MC2, electronic bypass MC3, orientation complete *1, orientation fault *1, brake opening request, fan fault output,
heatsink overheat pre-alarm, PID control activated, motor temperature detection *3, during retry, PID output
interruption, inverter operation ready, life alarm, power savings average value update timing, current average monitor,
fault output 1, 2, 3 (power-off signal), maintenance timer alarm, remote output, forward rotation output *1, reverse
rotation output *1, low speed detection, torque detection, regenerative status output *1, start-time tuning completion,
in-position completion *1, alarm output and fault output.
Operating status
When used with the
FR-A7AY, FR-A7AR
(option)
In addition to above, the following signal can be assigned to Pr.313 to Pr. 319 (extension output terminal function
selection): control circuit capacitor life, main circuit capacitor life, cooling fan life, inrush current limit circuit life. (only
positive logic can be set for extension terminals of the FR-A7AR)
For meter
Analog output
(Max. 10VDC: one
terminal)
(Max. 20mADC: one
terminal)
The following signals can be assigned to
Pr. 54 CA terminal function selection
and
Pr. 158 AM terminal function selection
(analog output)
: output frequency, motor current (steady or peak value), output voltage, frequency setting, operation
speed, motor torque, converter output voltage (steady or peak value), electronic thermal relay function load factor,
input power, output power, load meter, motor excitation current, reference voltage output, motor load factor,
power
saving effect, PID set point, PID measured value, motor output, torque command, torque current command, and
torque monitor, PLC function output.
