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Allen-Bradley 20BE125A0ANNANC0 Variable Frequency Drive
Allen-Bradley 20BE125A0ANNANC0
1. Overview
Allen-Bradley 20BE125A0ANNANC0 It is a high-power AC variable frequency drive belonging to the Allen‑Bradley PowerFlex 700 series. It has a rated power of 125 HP (approximately 93 kW) and is suitable for 600 V AC systems.
Adopting a modular design, it supports a variety of industrial communication protocols (such as EtherNet/IP and ControlNet), enabling seamless integration with upper-level systems like PLC and HMI.
2. Parameters (Main Technical Specifications)
| Item | Parameter | Description |
|---|---|---|
| Rated Power | 125 HP (≈ 93 kW) | Suitable for high-power loads such as pumps and fans |
| Input Voltage | 600 V AC (single-phase/three-phase) | Supports a wide range of voltages and is compatible with industrial power distribution |
| Output Current | Approximately 125 A (based on power) | Automatically adjusts to match load requirements |
| Rated Frequency | 0 ~ 60 Hz (0 ~ 400 Hz optional) | Meets high-speed/low-speed speed regulation needs |
| Control Method | V/Hz, Vector Control (FOC) | Provides basic and advanced control options |
| Communication Interface | EtherNet/IP, ControlNet, DeviceNet, Modbus TCP/RTU | Multi-protocol compatible for easy system integration |
| Enclosure Protection Class | IP20 (panel mounting) | Dust-proof and splash-proof, suitable for industrial sites |
| Operating Temperature | –10 ℃ ~ +50 ℃ | Applicable to conventional industrial environments |
| Storage Temperature | –40 ℃ ~ +85 ℃ | Safe for long-term storage |
| Power Supply | 5 V DC 350 mA (internal control power supply) | Provides stable power for the control circuit |
3. Product Features
- Efficient IGBT Power Module: Adopts the latest IGBT technology to reduce power consumption and improve heat dissipation efficiency.
- Modular Structure: The drive body, control board, terminal block, and display panel can be replaced independently, facilitating maintenance.
- Full-Digital LCD Display: Provides real-time operating parameters, fault codes, and a setting interface, making on-site debugging easy.
- Multiple Protection Functions: Comprehensive protection against overcurrent, overvoltage, undervoltage, overheating, short circuit, etc., to improve system reliability.
- Flexible Frame Options: Standard C, D, E frames, and optional Filtered A/B frames to meet different noise and filtering requirements.
- Compatibility with PowerFlex Architecture: Can share software tools and parameter libraries with the PowerFlex 400/700/800 series, simplifying engineering design.
4. Structure and Composition
- Enclosure and Mounting Panel: IP20 protection enclosure with screw fixing holes, supporting panel or rack mounting.
- Power Module (IGBT): The core power conversion unit that provides efficient and low-loss AC-DC-AC conversion.
- Control Board: Built-in microprocessor that executes V/Hz and vector control algorithms and processes communication protocols.
- Terminal Block: Multiple sets of terminals for input, output, control, and communication, using screw or spring crimping methods for easy wiring.
- Display and Operation Panel: A full-digital LCD with function keys for parameter setting and fault diagnosis.
- Heat Dissipation System: A combination of internal fans and heat sinks to ensure the IGBT maintains its operating temperature under high loads.
5. Application Fields
- Pumps, fans, and compressors: Fluid conveying systems with high-power speed regulation requirements.
- Conveyors, rollers, and elevators: Mechanical transmissions that require smooth starting and precise speed control.
- Mining and metallurgy: Equipment such as grinding mills and rolling mills driven by high-power motors.
- Petroleum and chemical industry: Continuously operating loads such as pipeline pumps and heating furnace fans.
- Building facilities: Variable frequency speed regulation for large air conditioners and ventilation systems.
6. Installation and Maintenance
Installation
- Confirm that the on-site power supply meets the 600 V AC specification and check the reliability of grounding.
- Fix the drive to the protective panel using screws or rack brackets, and maintain a sufficient ventilation gap (≥ 30 mm).
- Correctly connect the power, output, control, and communication terminals according to the wiring diagram, and use protective sleeves to prevent incorrect connection.
Commissioning
- Perform basic parameter settings (motor rated power, frequency range, acceleration/deceleration time) through the LCD display.
- Conduct communication tests with the upper-level PLC via EtherNet/IP or ControlNet to confirm that fault codes are read normally.
Daily Maintenance
- Regularly check the operation of the heat dissipation fan and clean dust to prevent overheating.
- Check the tightness of the terminals to prevent loosening due to vibration.
- Perform a functional self-test every 6 ~ 12 months and record the fault log.
- If a fault code appears, refer to the fault manual prompted by the LCD for troubleshooting, and replace the power module or control board if necessary.
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