FR-E820-0.4K-1 by Mitsubishi Electric

The FR-E820-0.4K-1 by Mitsubishi ไฟฟ้า is a compact frequency converter designed for general industrial applications. Belonging to the FR-E800 series, it is suitable for efficient control of small motors. Below is its core information:

Technical Parameters and Functional Features

1. Basic Specifications

Power Rating: 0.4กิโลวัตต์ (suitable for 0.4kW motor in ND mode, and supports 0.2kW in HD mode).

แรงดันไฟฟ้าขาเข้า: Three-phase 200-240V (with ±10% fluctuation range), frequency 50/60Hz, compliant with North American market standards (208-230วี).

Output Capacity: Rated current 3A (ND mode), overload capacity of 150% for 60 seconds and 200% for 3 วินาที, supporting wide-range speed regulation (0.2-590Hz).

Control Modes: Supports V/F control, advanced flux vector control, sensorless vector control, ฯลฯ, flexibly adapting to different motor types.

Communication Interfaces: Standard RS-485 interface supporting Modbus RTU protocol; optional Ethernet module (FR-E800-E model) enables industrial IoT connectivity.

Safety Functions: Complies with SIL2/PLd functional safety standards, with built-in overcurrent, overvoltage, overheat protection, and fault diagnosis functions. how to remove circuit breaker from panel

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2. Design Features

โครงสร้างที่กะทัดรัด: Dimensions approx. 90x90x86mm, weight 0.55kg, supporting side-by-side installation to save space.

Energy Efficiency and Reliability: Adopts self-cooling design, IP20 protection level, and built-in metal corrosion detection system to monitor corrosive gases (เช่น, hydrogen sulfide) and issue warnings.

Intelligent Diagnosis: Analyzes alarm causes via AI technology (Maisart), reduces downtime, and supports remote monitoring and batch parameter setting.

Application Scenarios and Industry Adaptation

1. การใช้งานทั่วไป

Small Motor Drive: Suitable for speed control in fans, ปั๊ม, conveyors, ฯลฯ, especially in industries like glass manufacturing and material handling.

HVAC Systems: Supports PM sensorless vector control to optimize energy efficiency and stability of air conditioning compressors.

General Industrial Equipment: Adapts to various automated production line needs through flexible parameter settings and expandable functions.

2. Advantages

High Cost-Effectiveness: Delivers vector control performance in the 0.4kW power segment, supports inventory sharing, and reduces enterprise spare parts costs.

Flexible Expansion: Enhances functions via optional accessories (เช่น, braking resistors, communication modules) to meet complex system requirements.

Purchase Channels and Market Information

1. การอ้างอิงราคา

International market price: ประมาณ 215-230 USD, with discounts for bulk purchases.

2. Warranty Policy

Typically provides a 1-year warranty (based on purchase proof), covering repair or replacement for non-human-induced damage.

Installation and Usage Recommendations

1. Installation Guidelines

Install vertically to ensure heat dissipation, leaving at least 50mm space around. Use cables of specified specifications (เช่น, 2.5mm² wires) for main circuit wiring and ensure good grounding.

Control circuit supports source/sink logic switching, directly connectable to PLC or other controllers.

Parameter Settings

Initial parameters can be configured via the built-in operation panel (FR-PU07) or FR Configurator2 software, supporting batch writing and AI-assisted debugging.

Typical settings include: motor parameter self-learning, acceleration/deceleration time (recommended 0.1-300 วินาที), torque limitation, ฯลฯ.

Maintenance Tips

Regularly clean the cooling fan and filter; replace capacitors every 2 ปี (depending on usage environment).

If corrosive gases (เช่น, hydrogen sulfide) are detected, improve the installation environment or activate protective measures promptly.

Comparison with Previous Models

Compared with the FR-E700 series, the main upgrades of FR-E820-0.4K-1 include:

1. Communication Capability: New optional Ethernet interface supports next-generation industrial network protocols like CC-Link IE TSN.
2. Safety Functions: Integrates SIL2/PLd certification for direct use in safety loop design.
3. Diagnostic Technology: Introduces AI fault analysis to shorten downtime.
4. Energy Efficiency Optimization: Automatically reduces excitation current under light load to enhance energy saving.

ข้อควรระวัง

1. Compatibility: Confirm that motor parameters (เช่น, number of poles, จัดอันดับปัจจุบัน) match the frequency converter to avoid overload operation.
2. การปฏิบัติตามข้อกำหนดของอีเอ็มซี: It is recommended to install a filter (เช่น, FR-BIF) on the power supply side to reduce electromagnetic interference and comply with local EMC standards.
3. Spare Parts Replacement: When replacing old models (เช่น, FR-E720S), pay attention to pin definitions and parameter differences, and contact technical support if necessary.