Output frequency range
DC injection brake (induction
Stall prevention operation
Input signal (12)
Pulse train input
Open collector output (5)
Relay output (2)
Pulse train output (FM
8.3 Common specifications
Soft-PWM control / high carrier frequency PWM control (selectable among V/F control (Optimum
excitation control), Advanced magnetic flux vector control (Advanced optimum excitation control), and
PM motor control)
0.2 to 590 Hz (400 Hz or less under Advanced magnetic flux vector control and PM motor 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 ± 10°C)
0.01% or less of the set output frequency
The base frequency can be set from 0 to 590 Hz. The constant-torque/variable-torque pattern or
adjustable 5 points V/F can be selected.
120% 0.5 Hz (Advanced magnetic flux 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%). Whether
to use the stall prevention or not can be selected (V/F control, Advanced magnetic flux 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, 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 frequency, minimum frequency, 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, DC feeding
frequency jump, rotation display, automatic restart after instantaneous power failure, electronic
bypass sequence, remote setting, retry function, carrier frequency selection, fast-response current
limit, forward/reverse rotation prevention, operation mode selection, slip compensation, speed
smoothing control, traverse, auto tuning, applied motor selection, RS-485 communication, PID
control, PID pre-charge function, cooling fan operation selection, stop selection (deceleration stop/
coasting), power failure time deceleration-to-stop function, PLC function, life diagnosis, maintenance
timer, current average monitor, multiple rating, test run, 24 V power supply input for control circuit,
safety stop function, self power management, BACnet communication, PID gain tuning, cleaning, load
characteristics storage, emergency drive
Inverter running, Up to frequency, Instantaneous power failure/undervoltage
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.
, Overload warning,