Output frequency range
DC injection brake (induction
Stall prevention operation level
Torque limit level
Input signal (12)
Pulse train input
Open collector output (five
Relay output (two terminals)
Pulse train output
Soft-PWM control, high carrier frequency PWM control (selectable among V/F control, Advanced
magnetic flux vector control, Real sensorless vector control), Optimum excitation control, Vector
, and PM sensorless vector control
0.2 to 590 Hz (The upper-limit frequency is 400 Hz under Advanced magnetic flux vector control, Real
sensorless vector control, Vector control
0.015 Hz/60 Hz at 0 to 10 V/12 bits (terminals 2 and 4).
0.03 Hz/60 Hz at 0 to 5 V/11 bits or 0 to 20 mA/approx. 11 bits (terminals 2 and 4), at 0 to ±10 V/12
bits (terminal 1).
0.06 Hz/60 Hz at 0 to ±5 V/11 bits (terminal 1).
Within ±0.2% of the maximum output frequency (25°C ±10°C)
0.01% or less of the set output frequency
Base frequency can be set from 0 to 590Hz. Constant-torque/variable-torque pattern or adjustable 5
points V/F can be selected.
SLD rating: 120% 0.3 Hz, LD rating: 150% 0.3 Hz, ND rating: 200%
Hz (under Real sensorless vector control or Vector control
Manual torque boost
0 to 3600 s (acceleration and deceleration can be set individually), linear or S-pattern acceleration/
deceleration mode, backlash countermeasures acceleration/deceleration can be selected.
Operation frequency (0 to 120 Hz), operation time (0 to 10 s), operation voltage (0 to 30%) variable
Activation range of stall prevention operation (SLD rating: 0 to 120%, LD rating: 0 to 150%, ND rating:
0 to 220%, HD rating: 0 to 280%). Whether to use the stall prevention or not can be selected (V/F
control, Advanced magnetic flux vector control)
Torque limit value can be set (0 to 400% variable). (Real sensorless vector control, Vector control
PM sensorless vector control)
Terminals 2 and 4: 0 to 10 V / 0 to 5 V / 4 to 20 mA (0 to 20 mA).
Terminal 1: -10 to +10 V / -5 to +5 V.
Input using the setting dial of the operation panel or parameter unit.
Input of four-digit BCD (Binary-coded decimal) or 16-bit binary (when the option FR-A8AX is installed).
Forward and reverse rotation or start signal automatic self-holding input (3-wire input) can be
Low-speed operation command, Middle-speed operation command, High-speed operation command,
Second function selection, Terminal 4 input selection, Jog operation selection, Selection of automatic
restart after instantaneous power failure / flying start, Output stop, Start self-holding selection,
Forward rotation command, Reverse rotation command, Inverter reset
The signal to be input can be changed using Pr.178 to Pr.189 (Input terminal function selection).
Maximum and minimum frequency settings, multi-speed operation, acceleration/deceleration pattern,
thermal protection, DC injection brake, starting frequency, JOG operation, output stop (MRS), stall
prevention, regeneration avoidance, increased magnetic excitation deceleration, frequency jump,
rotation display, automatic restart after instantaneous power failure, electronic bypass sequence,
remote setting, automatic acceleration/deceleration, retry function, carrier frequency selection, fast-
response current limit, forward/reverse rotation prevention, operation mode selection, slip
compensation, droop control, load torque high-speed frequency control, speed smoothing control,
traverse, auto tuning, applied motor selection, gain tuning, RS-485 communication, PID control, PID
pre-charge function, easy dancer control, cooling fan operation selection, stop selection (deceleration
stop/coasting), power failure time deceleration-to-stop function, stop-on-contact control, PLC
function, life diagnosis, maintenance timer, current average monitor, multiple rating, orientation
, speed control, torque control, position control, pre-excitation, torque limit, test run, 24 V
power supply input for control circuit, safety stop function, vibration control
Inverter running, Up to frequency, Overload warning, Output frequency detection, Fault
The signal to be output can be changed using Pr.190 to Pr.196 (Output terminal function
Fault codes (4 bits) of the inverter can be output from the open collector.
, and PM sensorless vector control.)
0.3 Hz, HD rating: 250%
6.2 Common specifications