Mitsubishi FR-A800

Common specifications
SPECIFICATIONS
695
8
8.3 Common specifications
Control specifications
Control method
Soft-PWM control, high carrier frequency PWM control (selectable among V/F control, Advanced magnetic flux vector
control, Real sensorless vector control), vector control
, and PM sensorless vector control
Output frequency range
0.2 to 590 Hz (The upper-limit frequency is 400 Hz under Advanced magnetic flux vector control, Real sensorless vector
control, vector control
, and PM sensorless vector control.)
Frequency
setting
resolution
Analog
input
0.015 Hz/60 Hz (0 to 10 V/12 bits for terminals 2 and 4)
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
SLD rating: 120% 0.3 Hz, LD rating: 150% 0.3 Hz, ND rating: 200% 0.3 Hz, HD rating: 250% 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 (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 level
Torque limit value can be set (0 to 400% variable).
(Real sensorless vector control, vector control
, PM sensorless 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, Electronic bypass function, Output stop,
Start self-holding selection, Forward rotation command, Reverse rotation command, Inverter reset
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, DC feeding
, frequency jump, rotation display, automatic restart after
instantaneous power failure, electronic bypass sequence, remote setting, automatic acceleration/deceleration, intelligent
mode, 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, machine analyzer
, RS-485 communication, PID
control, PID pre-charge function, easy dancer control, cooling fan operation selection, stop selection (deceleration stop/
coasting), power-failure deceleration stop function
, 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, safety stop function, swinging suppression
control
Output signal
Open collector output (five
terminals)
Relay output
(two terminals)
Inverter running, Up to frequency, Instantaneous power failure/undervoltage, Overload warning,
Output frequency detection, Fault
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.