Common specifications
SPECIFICATIONS
101
6
6.2 Common specifications
Control specifications
Control method
Soft-PWM control, PWM control (selectable among V/F control, Advanced magnetic flux vector control, Real sensorless
vector control), and vector control
Output frequency range
0.2 to 120 Hz
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 120 Hz. Constant-torque/variable-torque pattern or adjustable 5 points V/F can be
selected.
Starting torque
LD rating: 150% 0.3 Hz, ND rating: 200% 0.3 Hz (under Real sensorless vector control or vector control)
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 (LD rating: 0 to 150%, ND rating: 0 to 220%). Whether to use the stall
prevention or not can be selected. (V/F control, Advanced magnetic flux vector control)
Torque limit level
Torque limit value can be set (0 to 400% variable). (Real sensorless vector control, 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 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, 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 input signal can be changed using Pr.178 to Pr.189 (Input terminal function selection).
Pulse train input
100 kpps
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, frequency jump, rotation display, automatic restart after instantaneous power
failure, electronic bypass sequence, remote setting, automatic acceleration/deceleration, forward/reverse rotation
prevention, operation mode selection, slip compensation, droop control, load torque high-speed frequency control, speed
smoothing control, traverse, 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), stop-on-contact
control, PLC function, life diagnosis, maintenance timer, current average monitor, multiple rating, orientation control
,
speed control, torque control, position control, pre-excitation, torque limit, test run, 24 V power supply input for control
circuit, vibration control
Output signal
Open collector output (five
terminals)
Relay output (two
terminals)
Inverter running, Up to frequency, 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 kpps
Indication
For meter
Pulse train
output (FM
type)
Max. 2.4 kHz: one terminal (output frequency)
The monitored item can be changed using Pr.54 FM/CA terminal function selection.
Current
output
(CA type)
Max. 20 mADC: one terminal (output current)
The monitored item can be changed using Pr.54 FM/CA terminal function selection.
Voltage
output
Max. 10 VDC: one terminal (output voltage)
The monitored item can be changed using Pr.158 AM terminal function selection.
Operation
panel
(FR-DU08)
Operating
status
Output frequency, output current, output voltage, frequency setting value
The monitored item can be changed using Pr.52 Operation panel main monitor selection.
Fault record
Fault record is displayed when a fault occurs. Past 8 fault records and the conditions immediately before the fault (output
voltage/current/frequency/cumulative energization time/year/month/date/time) are saved.
Protective/
warning
function
Protective
function
Overcurrent trip during acceleration, Overcurrent trip during constant speed, Overcurrent trip during deceleration or stop,
Overcurrent trip, Regenerative overvoltage trip during acceleration, Regenerative overvoltage trip during constant speed,
Regenerative overvoltage trip during deceleration or stop, Overvoltage trip, Inverter overload trip (electronic thermal relay
function), Motor overload trip (electronic thermal relay function), Heatsink overheat, Stall prevention stop, Output side
earth (ground) fault overcurrent, Output phase loss, External thermal relay operation
, PTC thermistor operation, Option
fault, Communication option fault, Parameter storage device fault, PU disconnection
, Parameter storage device fault,
CPU fault, Operation panel power supply short circuit / RS-485 terminals power supply short circuit, 24 VDC power fault,
Abnormal output current detection
, Communication fault (inverter), Analog input fault, USB communication fault,
Overspeed occurrence
, Speed deviation excess detection, Signal loss detection, Excessive position fault,
Brake sequence fault
, 4 mA input fault, Pre-charge fault, PID signal fault, Opposite rotation deceleration fault,
Internal circuit fault
Warning
function
Fan alarm, Stall prevention (overcurrent), Stall prevention (overvoltage), Electronic thermal relay function pre-alarm, PU
stop, Speed limit indication (output during speed limit)
, Parameter copy, Maintenance timer 1 to 3, USB host error,
Home position return setting error
, Home position return uncompleted, Operation panel lock, Password locked,
Parameter write error, Copy operation error, 24 V external power supply operation, Continuous operation during
communication fault
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