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NOARK Electric Ex9VF7 VFD drive for AC motor control in industrial automation systems
NOARK Electric Ex9VF7 VFD drive for AC motor control in industrial automation systems

NOARK Electric Ex9VF7 Variable Frequency Drive

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Product Code: VFQD-010

MPN #: Ex9VF7

Tired of machines that stall or waste power? The NOARK Electric Ex9VF7 Variable Frequency Drive gives you smooth control and lower energy bills. It changes motor speed with precision, so you avoid sudden stops and overheating. If your equipment needs reliable speed control, this drive is the answer you have been looking for.

 

NOARK Electric Ex9VF7 Variable Frequency Drive

Many factories face motor wear because they cannot match speed to load. That problem leads to higher maintenance costs and lost production time. With the Ex9VF7 you get a built-in solution that adjusts frequency instantly. It protects the motor, reduces energy use, and lets you keep the line running without interruptions. The drive works with a wide range of voltages, so you can install it in almost any plant.

 

Usages of NOARK

The drive fits in conveyor systems that need variable speed. It powers pumps that must follow changing flow rates. It can be used on fans for precise airflow control. It also works with compressors and mixers where torque control is critical. In each case the Ex9VF7 gives you the flexibility to match motor output to real-world demand.

 

Benefits
    • Lower electricity cost because the motor runs only as fast as needed.
    • Extended motor life thanks to smooth start-up and torque protection.
    • Easy troubleshooting with clear fault display and LED indicators.
    • Fast adaptation to voltage changes with automatic voltage regulation.
    • Simple wiring and multiple control options for quick installation.

 

 

Specification
Input Voltage 3-Phase 575VAC,
3-Phase 380-480V (+10%, -15%),
3-Phase 220-240V ±15%, 1-Phase 220-240V ±15%, 1-Phase 110-120VAC
Rated Frequency 50/60 Hz
Output Frequency Range 0.50 – 590.0 Hz (SVC mode max <500 Hz)
Carrier Frequency 800 – 16,000 Hz; fixed or random selectable
Input Frequency Resolution Digital: 0.01 Hz, Analog: max frequency × 0.1%
Control Mode Induction Motor: SVC (open-loop vector), V/F, VC (closed-loop vector); PMSM: SVC (open-loop vector)
Start Torque 0.5 Hz / 150% (SVC), 0 Hz / 180% (VC), 5% rated speed / 100% rated torque (PMSM SVC)
Speed-Control Scope 1:100 (SVC), 1:1000 (VC), 1:20 (PMSM SVC)
Steady Speed Precision ±0.5% (SVC), ±0.02% (VC)
Torque Control Precision ±5%
Overload Capacity 150% rated current, 60 seconds
Torque Elevating Auto torque promotion, manual torque promotion (1–20 curves)
V/F Curve Beeline, square, under-defined
Startup Mode Direct startup, speed track startup (V/F control)
DC Braking Frequency: 0.20–50.00 Hz, Time: 0.00–30.00 s
Auto Voltage Regulation Adjusts output voltage automatically when source voltage changes
Frequency Setting Potentiometer, external analog (0–5V, 0–10V, 0–20 mA), keypad ▲▼, external logic, auto circulation
Start/Stop Control Terminal control, keypad control, communication control
Running Command Channels Keypad panel, control terminal, MODBUS
Frequency Source Given digit, analog voltage, analog current, MODBUS
Accessorial Frequency Source 7 optional sources
Protection Function Input/output phase loss, under-voltage, over-voltage, over-current, inverter/motor overload, current stall, over-heat, external disturbance, analog/PG line disconnection, keypad disconnection, open protection, STO/STO1
Display Shows output frequency, rotation speed (rpm), output current/voltage, linear velocity, fault types, system parameters; LED indicators for inverter status
Protection Level IP20 / NEMA Type 1
Applicable Motor Power 0.2–400 kW (0.4–185 kW UL CoC)
Working Temperature 10°C to 50°C
Height Above Sea Level ≤1000 m
Vibration Strength <0.5 g
Environmental Conditions Humidity <90% (no condensation)

 

 

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