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8. SPECIFICATIONS
8.2 Common specifications
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8.2 Common specifications
Control specifications
Control method 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)
Output frequency range 0.2 to 590 Hz (The upper-limit frequency is 400 Hz under Advanced magnetic flux vector control, and PM
motor control.)
Frequency
setting
resolution
Analog input 0.015 Hz/60 Hz (terminal 2, 4: 0 to 10 V/12 bits)
0.03 Hz/60 Hz (0 to 5 V/11 bits or 0 to 20 mA/approx. 11 bits for terminals 2 and 4, 0 to ±10 V/12 bits for
terminal 1)
0.06 Hz/60 Hz (0 to ±5 V/11 bits for terminal 1)
Digital input 0.01 Hz
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 590 Hz. Constant-torque/variable-torque pattern or adjustable 5
points V/F can be selected.
Starting
torque
Induction
motor
120% 0.5 Hz (Advanced magnetic flux vector control)
IPM motor 50%
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, backlash countermeasures acceleration/deceleration can be selected.
DC injection brake
(induction motor)
Operation frequency (0 to 120 Hz), operation time (0 to 10 s), operation voltage (0 to 30%) variable
Stall prevention operation
level
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)
Operation specifications
Frequency
setting
signal
Analog input Terminals 2 and 4: 0 to 10 V, 0 to 5 V, 4 to 20 mA (0 to 20 mA) are available.
Terminal 1: -10 to +10 V, -5 to 5 V are available.
Digital input Input using the setting dial of the operation panel or the parameter unit
Four-digit BCD or 16-bit binary (when used with option FR-A8AX)
Start signal Forward and reverse rotation or start signal automatic self-holding input (3-wire input) can be selected.
Input signals (twelve
terminals)
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 input signal can be changed using Pr.178 to Pr.189 (Input terminal function selection).
Pulse train input 100 k pulses/s
Operational functions 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, DC feeding
*1
, 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 deceleration stop function,
PLC function, life diagnosis, maintenance timer, current average monitor, multiple rating, test run, 24 V
power supply input for control circuit, self power management, BACnet communication, PID gain tuning,
cleaning, load characteristics storage, emergency drive
Output signal
Open collector output (five
terminals)
Relay output (two terminals)
Inverter running, Up to frequency, Instantaneous power failure/undervoltage
*1
, Overload warning, Output
frequency detection, Fault
The output signal can be changed using Pr.190 to Pr.196 (Output terminal function selection).
Fault codes of the inverter can be output (4 bits) from the open collector.
Pulse train output 50 k pulses/s
Indication
For meter Current output Max. 20 mADC: one terminal (output frequency)
The monitored item can be changed using Pr.54 CA terminal function selection.
Voltage output Max. 10 VDC: one terminal (output frequency)
The monitored item can be changed using Pr.158 AM terminal function selection.
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