Key Features:
Type: Variable Frequency Drive (VFD)

Model: FR-E820-7.5K-1

Series: FR-E820 Series

Motor Control:

Vector control for high torque at low speeds

V/F control for simple, standard motor speed control

Auto-tuning for improved motor performance and automatic adjustment to load conditions

Energy Efficiency:

Energy-saving operation with built-in features to optimize motor energy use

Real-time energy consumption monitoring to improve energy efficiency

Dynamic energy optimization for reducing power consumption during non-peak operation

Communication:

Modbus RTU and RS-485 communication for integration with MELSEC PLCs and other control systems

Optional communication cards (Ethernet/IP, Profibus, etc.) for additional network integration

Compact and Robust Design:

Compact size for space-constrained installations

Enclosed design for industrial environments, with a NEMA 1 protection rating

Simple panel operation with a digital keypad for easy setup and control

User-Friendly Interface:

LCD display for monitoring drive parameters, motor performance, and troubleshooting

Quick setup wizard for easy configuration and fast commissioning

Alarm and diagnostic functions to ensure easy maintenance and troubleshooting

Protection Features:

Overload protection, overvoltage, overcurrent, and short-circuit protection for safe and reliable operation

Heat protection with built-in cooling system for extended service life

PID control for precise speed and torque regulation in process control applications

Safety Features:

Safe Torque Off (STO) to prevent accidental motor startup during maintenance

Safe Stop 1 (SS1) to bring the motor to a safe stop in case of fault

Overload detection and fault logging for improving system reliability

Specifications / Parameters:
Power Supply:

Input Voltage: 380-480 V AC (three-phase)

Rated Input Current: 17.8 A

Input Frequency: 50/60 Hz ±5%

Input Power: Approx. 11.5 kVA

Motor Control:

Control Mode: Vector control, V/F control

Rated Output Power: 7.5 kW (10 HP)

Rated Output Current: 16.3 A

Output Voltage: 0 to input voltage (typically 380-480 V AC)

Frequency Range: 0 to 400 Hz

Performance:

Torque Boost: 150% of rated torque at low speeds (for demanding applications)

Speed Regulation: ±0.5% for high-accuracy speed control

Acceleration / Deceleration Time: Adjustable, with fast ramp-up and ramp-down settings

Communication:

RS-485 Port: For Modbus RTU and other communication protocols

Ethernet / Fieldbus: Optional communication modules (e.g., Ethernet/IP, Profibus, Modbus TCP, etc.) for advanced networking and integration

Cooling Method:

Natural cooling via convection, eliminating the need for external cooling systems

Internal fan for additional cooling during operation

Environmental Durability:

Operating Temperature: 0°C to +50°C

Storage Temperature: -20°C to +60°C

Humidity: 20% to 90% RH (non-condensing)

Altitude: Up to 1000 m without derating

Dimensions:

Width: 180 mm

Height: 235 mm

Depth: 150 mm

Weight: Approx. 6.5 kg

Protection Class:

IP20 (for indoor use), providing protection against solid objects greater than 12 mm in size and limited ingress of water

NEMA 1 equivalent, suitable for industrial control panels

Applications:
Pumps and Fans: Provides efficient control for pumps, fans, and blowers, reducing energy consumption and ensuring stable operation

Conveyor Systems: Controls conveyor belts, ensuring smooth and precise material handling in industries such as automated sorting, logistics, and manufacturing

CNC Machines: Ideal for controlling motors in CNC machine tools, ensuring high-speed, high-precision movement for machining operations

HVAC Systems: Controls the speed of motors in heating, ventilation, and air conditioning systems to optimize energy consumption

Packaging and Printing: Used in packaging machines, printing presses, and other industrial machinery to maintain precise speed control and optimize production rates

Textile and Fabric Industry: Provides speed and torque control in weaving, knitting, and other textile processes

Material Handling: Controls motors in automated guided vehicles (AGVs), robotic arms, and other automated material handling systems

Food and Beverage: Ideal for use in food processing lines, bottling, and sorting systems, where precise control over motor speed is essential