Mitsubishi Electric

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

FREQROL FR-A800 Plus series

(output) 0.2-590 Hz

Variable Speed/Frequency Drive (VSD/VFD) / Inverter
Soft-PWM control
High carrier frequency PWM control
Optimum excitation control
Dancer feedback speed control
Tension sensor feedback speed control
Tension sensorless torque control
Tension sensor feedback torque control
Winding diameter calculation
Initial winding diameter calculation
Actual line speed detection
Reduction ratio setting
Maximum/minimum winding diameter setting
Winding diameter / winding length storage
Line speed acceleration/deceleration function
Dancer roll break detection
Tension PI gain tuning
Speed control proportional gain compensation
Reel change function
Taper function
Inertia compensation function
Mechanical loss compensation function
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
Frequency jump
Rotation display
Automatic restart after instantaneous power failure
Retry function
Carrier frequency selection
Fast-response current limit
Forward/reverse rotation prevention
Operation mode selection
Slip compensation
Droop control
Speed smoothing control
Auto tuning
Applied motor selection
Gain tuning
RS-485 communication
Dancer control
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
Speed control
Torque control
Pre-excitation
Torque limit
Test run
24V power supply input for control circuit
Safety stop function
DC feeding

FM term. (PTO output)
for roll-to-roll
Heatsnk. cooling

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

3-phase/3P

4A (ND Normal Duty)
5.2A (SLD Super Light duty)
4.8A (LD Light duty)
2.5A (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)

1.5kW (ND Normal Duty)
2.2kW (SLD Super Light Duty)
2.2kW (LD Light duty)
750W / 0.75kW (HD Heavy Duty)

2HP

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 (electronic thermal relay function)
Motor overload trip (electronic thermal relay function)
Heatsink overheat
Stall prevention stop
Output side earth (ground) fault overcurrent
Output short-circuit
Output phase loss
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
24Vdcpower fault
Communication fault (inverter)
Analog input fault
USB communication fault
Safety circuit fault
Option fault
Internal circuit fault
Encoder pulse number setting error
Overload trip
External thermal relay operation (not available in initial status)
PTC thermistor operation
Retry count excess
Abnormal output current detection
Overspeed occurrence
Speed deviation excess detection
Signal loss detection
Encoder phase fault
4mA input fault
PID signal fault
Opposite rotation deceleration fault
Instantaneous power failure
Undervoltage
Input phase loss
Brake transistor alarm detection
Inrush current limit circuit fault

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)
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)

IP20

3kVA (ND Normal Duty)
4kVA (SLD Super Light Duty)
3.7kVA (LD Light duty)
1.9kVA (HD Heavy Duty)

Winding/unwinding

FR-A840-1.5K-1-R2R

Commercialized

FRA84015K1R2R

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