Mitsubishi Electric

Variable Speed/Frequency Drive (VSD/VFD) / Inverter

FREQROL FR-A800 series

(output) 0.2-590 Hz

Variable Speed/Frequency Drive (VSD/VFD) / Inverter
Soft-PWM control
High carrier frequency PWM control
PM sensorless vector control
Maximum and minimum frequency settings
Multi-speed operation
Acceleration/deceleration pattern
Thermal protection
DC injection braking
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 deceleration stop function
Stop-on-contact control
PLC function
Life diagnosis
Maintenance timer
Current average monitor
Multiple rating
Speed control
Torque control
Position control
Pre-excitation
Torque limit
Test run
24V power supply input for control circuit
Safety stop function
Anti-sway control
DC feeding

FM term. (PTO output)
Forced air cooling

380Vac-500Vac
(400Vac / 415Vac / 480Vac)

3-phase/3P

71A (ND Normal Duty)
93A (SLD Super Light duty)
85A (LD Light duty)
57A (HD Heavy Duty)
150% In for 60s / 200% In for 3s overload current rating (inverse-time characteristics; Normal duty; 50°C ambient air temperature)
110% In for 60s / 120% In for 3s overload current rating (inverse-time characteristics; Super light duty; 40°C ambient air temperature)
120% In for 60s / 150% In for 3s overload current rating (inverse-time characteristics; Light duty; 50°C ambient air temperature)
200% In for 60s / 250% In for 3s overload current rating (inverse-time characteristics; Heavy duty; 50°C ambient air temperature)

37kW (ND Normal Duty)
45kW (SLD Super Light Duty)
45kW (LD Light duty)
30kW (HD Heavy Duty)

50HP

Overcurrent trip during acceleration
Overcurrent trip during constant speed
Overcurrent trip during deceleration or stop
Regenerative overvoltage trip during acceleration
Regenerative overvoltage trip during constant speed
Regenerative overvoltage trip during deceleration or stop
Inverter overload trip
Motor overload trip
Heatsink overheat
Stall prevention stop
Upper limit fault detection
Lower limit fault detection
Output side earth (ground) fault overcurrent
Output short-circuit
Output phase loss
Option fault
Communication
Option fault
Parameter storage device fault
PU disconnection
CPU fault
Operation panel power
Supply short circuit/RS-485 terminals power supply short circuit
24Vdcpower fault
Communication fault
Analog input fault
USB communication fault
Safety circuit fault
Opposite rotation
Internal circuit fault
External thermal relay operation (not available in initial status)
Loss of synchronism detection
PTC thermistor operation
Retry count excess
Abnormal output current detection
Brake sequence fault
4mA input fault
Pre-charge fault
PID signal fault
Deceleration fault
Brake transistor alarm detection
Instantaneous power failure
Undervoltage
Input phase loss
Inrush current limit circuit fault
Overspeed occurrence

Modbus RTU

1 x digital input (source/sink) (STF)
1 x digital input (source/sink) (STR)
1 x digital input (source/sink) (STOP)
1 x digital input (source/sink) (RH)
1 x digital input (source/sink) (RM)
1 x digital input (source/sink) (RL)
1 x digital input (source/sink) (JOG)
1 x digital input (source/sink) (RT)
1 x digital input (source/sink) (MRS)
1 x digital input (source/sink) (RES)
1 x digital input (source/sink) (AU)
1 x digital input (source/sink) (CS)
1 x digital input (SS1 safe stop channel 1)
1 x digital input (SS1 safe stop channel 2)

1 x digital output (SPDT (Single Pole Double Throw contact A1/B1/C1) (programmable)
1 x digital output (SPDT Single Pole Double Throw contact A2/B2/C2) (programmable)
1 x digital output (sink/source open collector transistor) (RUN; programmable)
1 x digital output (sink/source open collector transistor) (SU; programmable)
1 x digital output (sink/source open collector transistor) (IPF; programmable)
1 x digital output (sink/source open collector transistor) (OL; programmable)
1 x digital output (sink/source open collector transistor) (FU; programmable)
1 x digital output (PTO Pulse Train Output) (Frequency meter indicator)
1 x digital output (programmable) (SO - Safety Monitor Output)

1 x analog input (0-5Vdc / 0-10Vdc / 0-20mA)
1 x analog input (0-5Vdc / 0-10Vdc)
1 x analog input (0-5Vdc / 0-10Vdc / 4-20mA)

1 x analog output (0-10Vdc) (signal output)

IP00

54kVA (ND Normal Duty)
71kVA (SLD Super Light Duty)
65kVA (LD Light duty)
43kVA (HD Heavy Duty)

Transfer
Lift
Food Packaging
Machine tool
Press
Printing
Winding/unwinding

FR-A840-37K-1

Commercialized

FRA84037K1

UL
cUL
CE
KC (South Korea) Radio Waves Act
EAC
RoHS