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| Mitsubishi VFDs Inverter | Mitsubishi VFDs Inverter FR-F740 Series 0.75K to 90K |
| Control Specifications
Control System |
High carrier frequency PWM control (V/F control)/optimum excitation control/simple magnetic flux vector control |
| Output Frequency Range | 0.5 to 400Hz |
| Frequency Setting Resolution Analog Input | 0.015Hz/0 to 60Hz (terminal 2, 4: 0 to 10V/12bit); 0.03Hz/0 to 60Hz (terminal 2, 4: 0 to 5V/11bit, 0 to 20mA/approx. 11bit, terminal 1: -10V to +10V/11bit); 0.06Hz/0 to 60Hz (terminal 1: 0 to ±5V/10bit) |
| Digital Input | 0.01Hz |
| 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 400Hz. Constant torque/variable torque pattern or adjustable 5 points V/F can be selected. |
| Starting Torque | 120% (3Hz) when set to simple magnetic flux vector control and slip compensation |
| Acceleration/Deceleration Time Setting | 0 to 3600s (acceleration and deceleration can be set individually), linear or S-pattern acceleration/deceleration mode can be selected |
| DC Injection Brake | Operation frequency (0 to 120Hz), operation time (0 to 10s), operation voltage (0 to 30%) variable |
| Stall Prevention Operation Level | Operation current level can be set (0 to 150% adjustable), whether to use the function or not can be selected |
| Operation Specifications
Frequency Setting Signal Analog Input |
Terminal 2, 4: 0 to 10V, 0 to 5V, 4 to 20mA can be selected. Terminal 1: -10 to +10V, -5 to 5V can be selected. |
|
Digital Input |
Four-digit BCD or 16-bit binary using the setting dial of the operation panel (when used with the option FR-A7AX) |
|
Start Signal |
Available individually for forward and reverse rotation. Start signal automatic self-holding input (3-wire input) can be selected. |
|
Input Signals |
Select any twelve signals using Pr.178 to Pr.189 (input terminal function selection) from among multi-speed selection, second function selection, terminal 4 input selection, JOG operation selection, selection of automatic restart after instantaneous power failure, external thermal relay input, HC connection (inverter operation enable signal), HC connection (instantaneous power failure detection), PU operation/ external interlock signal , PID control enable terminal, PU operation, external operation switchover, output stop, start self-holding selection, forward rotation command, reverse rotation command, inverter reset, PTC thermistor input, PID forward reverse operation switchover,PU-NET operation switchover, NET-external operation switchover, command source switchover. |
|
Operational Functions |
Maximum and minimum frequency settings, frequency jump operation, external thermal relay input selection, polarity reversible operation, automatic restart after instantaneous power failure operation, continuous operation at an instantaneous power failure, commercial power supply-inverter switchover operation, forward/reverse rotation prevention, operation mode selection, PID control, computer link operation (RS-485). |
|
Output Signals
Operating Status |
Select any seven signals using Pr.190 to Pr.196 (output terminal function selection) from among inverter running, up-to-speed, instantaneous power failure/undervoltage, overload warning, output frequency detection, second output frequency detection, electronic thermal relay function pre-alarm, PU operation mode, inverter operation ready, output current detection, zero current detection, PID lower limit, PID upper limit, PID forward rotation reverse rotation output, commercial power supply-inverter switchover MC1, commercial power supply-inverter switchover MC2, commercial power supply-inverter switchover MC3, fan fault output, heatsink overheat pre-alarm, inverter running start command on, deceleration at an instantaneous power failure, PID control activated, during retry, during PID output suspension, life alarm, input MC stop signal, power savings average value update timing, current average monitor, alarm output 2, maintenance timer alarm, remote output, minor failure output, alarm output. Open collector output (5 points), relay output (2 points) and alarm code of the inverter can be output (4 bit) from the open collector. |
|
When Used with the FR-A7AY (Option) |
Select any seven signals using Pr. 313 to Pr. 319 (extension output terminal function selection) from among control circuit capacitor life, main circuit capacitor life, cooling fan life, inrush current limit circuit life. |
|
Pulse/Analog Output |
Select from output frequency, motor current (steady or peak value), output voltage, frequency setting value, running speed, converter out- put voltage (steady or peak value), electronic thermal relay function load factor, input power, output power, load meter, reference voltage output, motor load factor, energy saving effect, PID set value, PID process value using Pr. 54 “FM terminal function selection (pulse train output)” and Pr. 158 “AM terminal function selection (analog output)”. |
| Display
PU (FR-DU07/ FR-PU04)
Operating Status |
Output frequency, motor current (steady or peak value), output voltage, alarm indication, frequency setting, running speed, converter output voltage (steady or peak value), electronic thermal load factor, input voltage, output voltage, road meter, cumulative energization time, actual operation time, motor load factor, cumulative energization power, power saving effect, cumulative saving power, PID set point, PID process value, PID deviation value, inverter I/O terminal monitor, input terminal option monitor (*1), output terminal option monitor (*1), option fitting status monitor (*2), terminal assignment status (*2) |
|
Alarm Definition |
Alarm definition is displayed when the protective function is activated, the output voltage/current/frequency/cumulative energization time right before the protection function was activated and the past 8 alarm definitions are stored. |
|
Interactive Guidance |
Operation guide/trouble shooting with a help function (*2) |
|
Protective/Warning Function |
Overcurrent during acceleration, overcurrent during constant speed, overcurrent during deceleration, overvoltage during acceleration, overvoltage during constant speed, overvoltage during deceleration, inverter protection thermal operation, heatsink overheat, instantaneous power failure occurrence, undervoltage, input phase failure, motor overload, output side earth (ground) fault overcurrent, output phase failure, external thermal relay operation, PTC thermistor operation, option alarm, parameter error, PU disconnection, retry count excess, CPU alarm, power supply short for operation panel, 24VDC power output short, output current detection value over, inrush resistance overheat, communication alarm (inverter), analog input alarm, internal circuit alarm (15V power supply), fan fault, overcurrent stall prevention, overvoltage stall prevention, electronic thermal prealarm, PU stop, maintenance timer alarm (*1), parameter write error, copy operation error, operation panel lock. |
| Environment
Ambient Temperature |
-10°C to +50°C (non-freezing) |
|
Ambient Humidity |
90% RH or less (non-condensing) |
|
Storage Temperature (*3) |
-20°C to +65°C |
|
Atmosphere |
Indoors (without corrosive gas, flammable gas, oil mist, dust and dirt, etc.) |
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