Fuji Frenic Mega AC Drive Series
The FRENIC-MEGA by Fuji Electric sets a new benchmark in general-purpose inverters, delivering advanced vector control performance for precise, high-torque operations. Designed for demanding industrial applications such as cutting machines, printing presses, vertical conveyors, and parking systems, it features PG vector control, high overload durability, and advanced dynamic torque vector control. With a wide speed control range (up to 1:1500), rapid speed response, and high torque accuracy, the FRENIC-MEGA ensures stable and efficient operation even under fluctuating or impact loads. Its built-in braking circuit (up to 22kW) and sensor-less vector control make it the ideal solution for both heavy-duty and energy-efficient systems.
Categories:
Fuji AC Drive- High-performance PG vector control for accurate speed and positioning.
- Wide speed control range up to 1:1500, with ±0.01% speed accuracy.
- High starting torque of 200% at low speed (0.3 Hz).
- Sensor-less vector control with 1:200 range and ±0.5% speed accuracy.
- Slip compensation and flux observer enhance low-speed torque control.
- Shortened response time to operation commands – ideal for fast cycles.
- Overload durability: 200% for 3 sec, 150% for 1 min (HD mode).
- Built-in braking circuit for models up to 22kW; resistor included in ≤7.5kW.
- Expandable braking circuit options up to 160kW in 400V series.
- Supports three load duty classes: HD, MD, LD for tailored usage.
- Compact, user-friendly design with USB keypad and FRENIC Loader support.
- Improved vibration resistance and stable operation for impact load fluctuation.
| Item | Explanation |
|---|---|
| Maximum frequency | 25 to 500 Hz (120 Hz for inverters in MD/LD mode) (720 Hz under vector control without speed sensor), 200 Hz under vector control with speed sensor) |
| Base frequency | 25 to 500 Hz (in conjunction with the maximum frequency) |
| Starting frequency | 0.1 to 60.0 Hz (0.0 Hz under vector control with/without speed sensor) |
| Carrier frequency |
• 0.75 to 16 kHz (HD mode: 0.5 to 100 HP, LD mode: 7 to 30 HP) • 0.75 to 12 kHz (HD mode: 120 to 800 HP, LD mode: 40 to 100 HP) • 0.75 to 6 kHz (HD mode: 900 and 1000 HP, LD mode: 125 to 900 HP) • 0.75 to 2 kHz (LD mode: 1000 HP) • Note: The carrier frequency may automatically drop depending on the ambient temperature or output current to protect the inverter. (The automatic drop function can be disabled.) |
| Accuracy (Stability) |
• Analog setting: ±0.2% of maximum frequency (at 25 °C (77 °F) ± 1%) • Keypad setting: ±0.01% of maximum frequency (at -10 to +50°C (14 to 122°F)) |
| Setting resolution |
• Analog setting: 1/3000 of maximum frequency (1/7500 for V2 input) • Keypad setting: 0.01 Hz (99.99 Hz or less), 0.1 Hz (100.00 to 500.0 Hz) • Link operation setting: Selectable from the following two types: 1 : 1/20000 of maximum frequency 2 : 0.01 Hz (fixed) |
| Under V/f control | 1 : 100 (Minimum speed: Base speed, 4P, 15 to 1500 r/min) |
| Under constant torque load without speed sensor | 1 : 2 (Constant torque range: Constant output range) |
| Speed control with speed sensor |
• Analog setting: ±0.2% of base speed (at 25 ±10°C (77 ±18°F)) • Digital setting: ±0.5% of base speed (at -10 to +50°C (14 to 122°F)) |
| Speed control without speed sensor |
• 1 : 200 (Minimum speed: Base speed, 4P, 7.5 to 1500 r/min) • 1 : 2 (Constant torque range: Constant output range) |
| Speed accuracy |
• Analog setting: ±0.2% of base speed (at 25 ±10°C (77 ±18°F)) • Digital setting: ±0.5% of base speed (at -10 to +50°C (14 to 122°F)) |
| Speed response | • 1 : 1500 (Minimum speed: Base speed, 4P, 1 to 1500 r/min, 1024 p/r) • 1 : 4 (Constant torque range: Constant output range) |
| Control method |
• V/f control • Dynamic torque vector control • V/f control with speed sensor or dynamic torque vector control with speed sensor • Vector control without speed sensor (Not available for MD-mode inverters) • Vector control with speed sensor (with an optional PG interface card mounted) |
| V/f characteristics | • Possible to set output voltage at base frequency and at maximum frequency • AVR control ON/OFF selectable. Non-linear V/f pattern with three arbitrary points. |
| Torque boost |
• Auto torque boost (for constant torque load) • Manual torque boost: Desired torque boost (0.0 to 20.0%) can be set. • Select application load with function code F37. (Variable torque load or constant torque load) |
| Starting torque | • 80% (HD) or below: 200% or over, 40HP (HD) or above: 180% or over • Reference frequency: 0.3 Hz with slip compensation and auto torque boost |
| Start/stop operation |
• Keypad and external signals (run forward / run reverse) command etc., • Communications links (RS-485 or fieldbus option) • Remote/local operation |
| Enable input (Safety stop function) | Opening the circuit between terminals [EN] and [PLC] stops the inverter’s output transistor (coast-to-stop). (Compliant with EN954-1 Cat.3) |
| Frequency command |
• Keypad: keys • Analog input (Analog input can be set with external voltage/current input): – 0 to 10 VDC: 0 to 100% (terminals 12, [12]) – ±10 VDC: 0 to ±100% (terminal [C1]) – 4 to 20 mA DC/0 to 20 mA DC: 0 to 100% (terminal C1) • Pulse train input (standard): Multiplying (16 steps), 16-bit parallel • Pulse train input (option): P&Q input at [X7] terminal • Link operation: Various bus options • Reference frequency: Remote/local mode switching, Auxiliary frequency setting, Proportional operation setting, and Inverse operation |
| Acceleration/deceleration time |
• 0.00 to 600.0 s • Linear/S-curve/linear, Acceleration/deceleration time settings 1 to 4 switchable |
| Stop control |
• Running continued at the stop frequency, coast-to-stop, or force to stop. • DC braking: Braking starting frequency (up to 60 Hz), time (up to 30.0 s), and operation level (up to 100%) • Zero speed control (under vector control with speed sensor) |
| Auto-restart after momentary power failure |
• Trip immediately, trip after recovery from power failure, trip after deceleration to stop • Continue to run, restart at the frequency at which the power failure occurred, restart at the starting frequency, restart after searching for idling motor speed |
| Hardware current limiter | Current limiter operation level (20 to 200%) Overcurrent limiting by hardware (this can be canceled.) |
| Torque limiter | Torque limit value (<300%) Torque limiter 1, 2; torque limiter enabled/disabled; analog torque limit value |
| Control functions |
• Analog input adjustment (gain/offset/filter time constant), frequency limiter (high and low), bias frequency, jump frequency, jogging operation, pre-excitation, switch to commercial power, commercial power switching sequence, cooling fan ON/OFF control, select motor 2 to 4, protect motor from dew condensation, universal DI, universal DO, universal AO, rotational direction limitation • Overload prevention control, auto search, slip compensation, automatic deceleration (anti-regenerative control), drop control, PID process control, PID dancer control, Deceleration characteristics (improving braking capability), auto energy saving function • Offline tuning • Life early warning, cumulative inverter run time, cumulative motor run time • Light alarm, retry, command loss detection |
| Digital input | • Run forward command, run reverse command, select multi-frequency, select ACC/DEC time, enable 3-wire operation, coast to stop, reset alarm, enable external alarm input, ready for jogging, select command 2-4, select motor 1 to 4, enable DC braking, select torque limiter level, switch to commercial power, UP (increase output frequency), DOWN (decrease output frequency), enable data change with keypad cancel PID control, switch normal/reverse operation, interlock, PID control, enable communications link via RS-485 or fieldbus option, universal DI, enable auto search for idling motor speed at starting, force to stop, pre-excitation, reset PID integral and differential components, hold PID integral component, select local (keypad) operation, PID feedback for motor run command, enable inertial sequence to commercial lines, pulse train input, pulse train sync, cancel commercial power operation, hold the constant peripheral speed control frequency in the memory, switch to commercial power again, select torque command, cancel PG alarm, cancel customizable logic error, enable customizable logic timer stop command. |
| Transistor output | • Inverter running, frequency arrival signal 1/3, frequency detected (3 points), undervoltage detected (inverter stopped), torque detected (2 points), switched to motor 1 to 4, run forward signal, run reverse signal, inverter in terminal operation, PTC status detection enabled, brake signal, analog frequency reference loss alarm, terminal [C1], inverter keeping speed output, speed arrived, PG error detected, maintenance timer, light alarm, alarm relay contact output (for any fault), braking resistor broken, positioning completion signal, enable circuit failure detected, customizable logic output signal |
| Analog output |
• Terminals [FM1] and [FM2]: Output a selected signal with analog DC voltage (0 to +10 V) or analog DC current (4 to 20 mA) • Selectable output signals: Output frequency (before slip compensation, after slip compensation), output current, output voltage, output torque, load factor, input power, PID feedback amount (PV), speed (PG feedback value), DC link bus voltage, universal AO, motor output, calibration, PID command (SV), PID output (MV) |
| Running/stopping |
• Speed monitor (reference frequency (Hz), output frequency, motor speed, load shaft speed, line speed, speed in %) • Output current, output voltage, torque calculation value, input power, PID command value, PID feedback amount, PID output, load factor, motor output, torque current, flux command, analog signal input monitor, input watt-hour meter, life early warning, cumulative inverter run time, cumulative motor run time, input watt-hour, number of startups • I/O checking, energy-saving monitor (input power, input power × coefficient (charges for input power)) |
| Trip mode | Tip history: Saves and displays the last 4 trip factors and their detailed description. |
| Communications | RS-485 COM port 1 (for keypad connection), RS-485 COM port 2 (on terminal board), and USB port (with optional keypad) |
| Protection against momentary power failure | Upon detection of a momentary power failure lasting more than 15 ms, this function stops the inverter output. If restart after momentary power failure is selected, this function invokes a restart process if power is restored within a predetermined period (allowable momentary power failure time). |
| Code | Name | Data setting range | Change when running | Data copying | Default | Drive control V/f |
Drive control PG V/f |
Drive control w/o PG |
Drive control w/ PG |
Torque Control |
|---|---|---|---|---|---|---|---|---|---|---|
| H03 | Data Initialization | 0 : Disable initialization 1 : Initialize all function code data to the factory defaults 2 : Initialize motor 1 parameters 3 : Initialize motor 2 parameters 4 : Initialize motor 3 parameters 5 : Initialize motor 4 parameters | N | N | 0 | Y | - | Y | Y | - |
| H04 | Auto-reset (Times Reset interval) | 0 : Disable; 1 to 10 | Y | Y | 0 | Y | - | Y | Y | - |
| H05 | Auto-reset (Times Reset interval) | 0.5 to 20.0 s | Y | Y | 5.0 | Y | - | Y | Y | - |
| H06 | Cooling Fan ON/OFF Control | 0 : Disable (Always in operation) 1 : Enable (ON/OFF controllable) | Y | Y | 0 | Y | - | Y | Y | - |
| H07 | Acceleration/Deceleration Pattern | 0 : Linear 1 : S-curve (Weak) 2 : S-curve (Arbitrary, according to H57 to H60 data) 3 : Curvilinear | Y | Y | 0 | Y | - | Y | Y | - |
| H08 | Rotational Direction Limitation | 0 : Disable 1 : Enable (Reverse rotation inhibited) 2 : Enable (Forward rotation inhibited) | N | Y | 0 | Y | - | Y | Y | - |
| H09 | Starting Mode (Auto search) | 0 : Disable 1 : Enable (At restart after momentary power failure) 2 : Enable (At restart after momentary power failure and at normal start) | N | Y | 0 | Y | - | N | N | - |
| H11 | Deceleration Mode | 0 : Normal deceleration 1 : Coast-to-stop | Y | Y | 0 | Y | - | Y | Y | - |
| H12 | Instantaneous Overcurrent Limiting (Mode selection) | 0 : Disable 1 : Enable | Y | Y | 1 | Y | - | Y | Y | - |
| H13 | Restart Mode after Momentary Power Failure (Restart time) (Frequency fall rate) (Continuous running level) (Allowable momentary power failure time) | 0.1 to 20.0 s | Y | Y1 Y2 | *10 | Y | - | Y | Y | - |
| H14 | 0.00: Deceleration time selected by F08, 0.01 to 100.00 Hz/s, 999: Follow the current limit command | Y | Y | 999 | Y | - | Y | N | - | |
| H15 | 200 to 300 V for 230 V series 400 to 600 V for 460 V series | Y | Y2 | 235/470 | Y | - | Y | N | - | |
| H16 | 0.0 to 30.0 s 999: Automatically determined by inverter | Y | Y | 999 | Y | - | Y | Y | - | |
| H18 | Torque Control Gain | 0 : Disable (Speed control) 2 : Enable (Torque current command) 3 : Enable (Torque command) | N | Y | 0 | N | - | Y | Y | - |
| H26 | Thermistor (for motor) (Mode selection) | 0 : Disable 1 : PTC (The inverter immediately trips with displayed.) 2 : PTC (The inverter issues output signal THM and continues to run.) 3 : NTC (When connected) | Y | Y | 0 | Y | - | Y | Y | - |
| H27 | 0.00 to 5.00 V | 0.00 to 5.00 V | Y | Y | 0.35 | Y | - | Y | Y | - |
| H28 | Droop Control | -60.0 to 0.0 Hz | Y | Y | 0 | Y | - | Y | Y | - |
| H30 | Communications Link Function (Mode selection) | Frequency command Run command 0 : F01/C30 F02 1 : RS-485 (Port 1) F02 2 : F01/C30 RS-485 (Port 1) 3 : RS-485 (Port 1) RS-485 (Port 1) 4 : RS-485 (Port 2) F02 5 : RS-485 (Port 2) RS-485 (Port 1) 6 : F01/C30 RS-485 (Port 2) 7 : RS-485 (Port 1) RS-485 (Port 2) 8 : RS-485 (Port 2) RS-485 (Port 2) | Y | Y | 0 | Y | - | Y | Y | - |
| H42 | Capacitance of DC Link Bus Capacitor | Indication for replacement of DC link bus capacitor 0 to 65535 | Y | N | - | Y | - | Y | Y | - |
| H43 | Cumulative Run Time of Cooling Fan | Indication for replacement of cooling fan 0 to 99990 hours | Y | N | - | Y | - | Y | Y | - |
| H44 | Startup Counter for Motor 1 | Indication of cumulative startup count 0 to 65535 times | Y | N | - | Y | - | Y | Y | - |
| H45 | Mock Alarm | 0 : Disable 1 : Enable (Once a mock alarm occurs, the data automatically returns to 0.) | Y | N | 0 | Y | - | Y | N | - |
| H46 | Starting Mode (Auto search delay time 2) | 0.1 to 20.0 s | Y | Y1 Y2 | *7 | Y | - | Y | N | - |
| H47 | Initial Capacitance of DC Link Bus Capacitor | Indication for replacement of DC link bus capacitor 0 to 65535 | Y | N | - | Y | - | Y | Y | - |
| H48 | Cumulative Run Time of Capacitors on Printed Circuit Boards | Indication for replacement of capacitors 0 to 99990 hours (The cumulative run time can be modified or reset.) | Y | N | - | Y | - | Y | Y | - |
| H49 | Starting Mode (Auto search delay time 1) | 0.0 to 10.0 s | Y | Y | 0.0 | Y | - | Y | Y | - |
| H50 | Non-linear V/f Pattern 1 (Frequency) (Voltage) | 0.0: Cancel, 0.1 to 500.0 Hz | N | Y | 0.0 | Y | - | N | N | - |
| H51 | 0 to 240 : Output an AVR-controlled voltage (for 230 V series) 0 to 500 : Output an AVR-controlled voltage (for 460 V series) | N | Y2 | 0 | Y | - | N | N | - | |
| H52 | Non-linear V/f Pattern 2 (Frequency) (Voltage) | 0.0: Cancel, 0.1 to 500.0 Hz | N | Y | 0.0 | Y | - | N | N | - |
| H53 | 0 to 240 : Output an AVR-controlled voltage (for 230 V series) 0 to 500 : Output an AVR-controlled voltage (for 460 V series) | N | Y2 | 0 | Y | - | N | N | - | |
| H54 | Acceleration Time (Jogging) | 0.00 to 6000 s | Y | Y | *1 | Y | - | Y | Y | - |
| H55 | Deceleration Time (Jogging) | 0.00 to 6000 s | Y | Y | *1 | Y | - | Y | Y | - |
| H56 | Deceleration Time for Forced Stop | 0.00 to 6000 s | Y | Y | *1 | Y | - | Y | Y | - |
| H57 | 1st S-curve acceleration range (Leading edge) | 0% to 100% | Y | Y | *10 | Y | - | Y | Y | - |
| H58 | 2nd S-curve acceleration range (Trailing edge | 0% to 100% | Y | Y | 10 | Y | - | Y | Y | - |
| H59 | 1st S-curve deceleration range (Leading edge) | 0% to 100% | Y | Y | 10 | Y | - | Y | Y | - |
| H60 | 2nd S-curve deceleration range (Trailing edge | 0% to 100% | Y | Y | 10 | Y | - | Y | Y | - |
| H61 | UP/DOWN Control (Initial frequency setting) | 0 :0.00 Hz 1 : Last UP/DOWN command value on releasing the run command | N | Y | 1 | Y | - | Y | Y | - |
| H63 | Low Limiter (Mode selection) (Lower limiting frequency) | 0 : Limit by F16 (Frequency limiter: Low) and continue to run 1 : If the output frequency lowers below the one limited by F16 (Frequency limiter: Low), decelerate to stop the motor. | Y | Y | 1 | Y | - | Y | Y | - |
| H64 | (Lower limiting frequency) | 0.0: Depends on F16 (Frequency limiter, Low) 0.1 to 60.0 Hz | Y | Y | 1.6 | Y | - | N | N | - |
| H65 | Non-linear V/f Pattern 3 (Frequency) (Voltage) | 0.0: Cancel, 0.1 to 500.0 Hz | N | Y | 0.0 | Y | - | N | N | - |
| H66 | 0 to 240 :Output an AVR-controlled voltage (for 230 V series) 0 to 500 :Output an AVR-controlled voltage (for 460 V series) | N | Y2 | 0 | Y | - | N | N | - | |
| H67 | Auto Energy Saving Operation (Mode selection) | 0 : Enable during running at constant speed 1 : Enable in all modes | Y | Y | 0 | Y | - | N | Y | - |
| Nominal Applied Motor (HP) | Three-phase 230V Series | Three-phase 460V Series | |||
|---|---|---|---|---|---|
| LD spec (120%) | HD spec (150%) | LD spec (120%) | MD spec (150%) | HD spec (200%) | |
| 0.5 | FRN050G1S-2U | FRN050G1S-2U | FRN050G1S-4U | FRN050G1S-4U | |
| 1 | FRN001G1S-2U | FRN001G1S-2U | FRN001G1S-4U | FRN001G1S-4U | |
| 2 | FRN002G1S-2U | FRN002G1S-2U | FRN002G1S-4U | FRN002G1S-4U | |
| 3 | FRN003G1S-2U | FRN003G1S-2U | FRN003G1S-4U | FRN003G1S-4U | |
| 5 | FRN005G1S-2U | FRN005G1S-2U | FRN005G1S-4U | FRN005G1S-4U | |
| 7.5 | FRN007G1S-2U | FRN007G1S-2U | FRN007G1S-4U | FRN007G1S-4U | |
| 10 | FRN010G1S-2U | FRN010G1S-2U | FRN010G1S-4U | FRN010G1S-4U | |
| 15 | FRN015G1S-2U | FRN020G1S-2U | FRN015G1S-4U | FRN020G1S-4U | |
| 20 | FRN020G1S-2U | FRN025G1S-2U | FRN020G1S-4U | FRN025G1S-4U | |
| 25 | FRN025G1S-2U | FRN030G1S-2U | FRN025G1S-4U | FRN030G1S-4U | |
| 30 | FRN030G1S-2U | FRN040G1S-2U | FRN030G1S-4U | FRN040G1S-4U | |
| 40 | FRN040G1S-2U | FRN050G1S-2U | FRN040G1S-4U | FRN050G1S-4U | |
| 50 | FRN050G1S-2U | FRN060G1S-2U | FRN050G1S-4U | FRN060G1S-4U | |
| 60 | FRN060G1S-2U | FRN075G1S-2U | FRN060G1S-4U | FRN075G1S-4U | |
| 75 | FRN075G1S-2U | FRN100G1S-2U | FRN075G1S-4U | FRN100G1S-4U | |
| 100 | FRN100G1S-2U | FRN125G1S-2U | FRN100G1S-4U | FRN125G1S-4U | |
| 125 | FRN125G1S-2U | FRN150G1S-2U | FRN125G1S-4U | FRN150G1S-4U | |
| 150 | FRN150G1S-2U | FRN150G1S-4U | FRN150G1S-4U | FRN200G1S-4U | |
| 200 | FRN200G1S-4U | FRN200G1S-4U | FRN250G1S-4U | ||
| 250 | FRN250G1S-4U | FRN250G1S-4U | FRN300G1S-4U | ||
| 300 | FRN300G1S-4U | FRN300G1S-4U | FRN350G1S-4U | ||
| 350 | FRN350G1S-4U | FRN350G1S-4U | FRN450G1S-4U | ||
| 400 | FRN450G1S-4U | FRN500G1S-4U | |||
| 450 | FRN500G1S-4U | FRN600G1S-4U | |||
| 500 | FRN600G1S-4U | FRN700G1S-4U | |||
| 600 | FRN700G1S-4U | FRN800G1S-4U | |||
| 700 | FRN800G1S-4U | FRN900G1S-4U | |||
| 800 | FRN900G1S-4U | FRN1000G1S-4U | |||
| 1000 | FRN1000G1S-4U | ||||
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Catalog Name
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Catalog Number[size]
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Last Update
|
|---|---|---|
| FRENIC-MEGA Catalog | [6800KB] | Feb. 2018 |
Applications
- Printing presses requiring high-speed, precision motor control
- Wire drawing and spinning machines with constant tension demand
- Vertical conveyance systems and elevators needing regenerative braking
- Conveyor systems with high inertia or frequent start/stop operations
- Cutting machines with rapid torque response requirements
- Multi-level car parking systems requiring high starting torque
- Winding and unwinding applications where torque control is critical
- Packaging and labeling machines with repeated motion cycles
Why Choose
- Affordability: Low-cost control without compromising quality.
- Flexibility: Expandable I/O and communication options.
- Reliability: Built on Omron's decades-long industrial automation expertise.
- Ease of Use: Intuitive software and compact design simplify deployment.
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