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Allen-Bradley 20DC043A0EYNANANE AC Drive
Allen-Bradley 20DC043A0EYNANANE
1. Overview
Allen-Bradley 20DC043A0EYNANANE is part of the PowerFlex 700S low-voltage AC drive series launched by Rockwell Automation. It adopts Phase II control and is suitable for 400 V three-phase power supplies.
2. Specifications
| Specification | Description |
|---|---|
| Rated Input Voltage | 400 V AC (Three-phase) |
| Continuous Output Current | 30 A (Rated) |
| Maximum Output Voltage | 932 V |
| Rated Power | Approximately 15 kW (Corresponding to 20 kW class) |
| Efficiency | Up to 97.5% |
| Protection Class | IP20 (Dust and splash proof) |
| Operating Temperature and Humidity Range | Temperature: -40 °C ~ +50 °C; Humidity: 5% ~ 95% (Non-condensing) |
| Analog/Digital I/O | 2 analog outputs, 8 digital inputs/outputs (via 20‑COMM‑x communication module) |
| Communication Interface | DPI (16/32 bit integer, floating-point DataLink), supporting 20‑COMM‑E/ER and Embedded Ethernet |
| Braking Method | Supports regenerative braking and external braking resistors (optional) |
3. Product Features
- High Efficiency and Energy Saving: With a maximum efficiency of 97.5%, it reduces operating costs.
- Compact Structure: It features panel mounting, and its enclosure size complies with the standard frame (F10), facilitating cabinet integration.
- Multiple Control Options: It offers Phase II control and optional ControlNet, EtherNet/IP communication modules to meet different PLC environments.
- Rich I/O Configuration: It has built-in 2 analog outputs and 8 digital I/Os, and supports external 20‑750‑ENC‑1 encoder modules to achieve precise speed/position feedback.
- Powerful Protection Functions: It provides multiple protections such as overcurrent, overvoltage, overtemperature, short circuit, and undervoltage. It can be used with optional external braking resistors to enhance safety.
- Easy Maintenance: With IP20 protection class and modular design, it allows quick replacement of I/O or communication cards.
4. Structure and Composition
- Main drive unit (power semiconductors, IGBTs, rectifier/inverter bridges)
- Control board (CPU, parameter storage, communication interface)
- Heat dissipation system (forced air cooling fan, heat sink)
- I/O module (digital/analog input/output card)
- Communication adapter (20‑COMM‑E/ER, Embedded Ethernet)
- Enclosure (IP20 protection, panel mounting)
- Terminal block (power supply, output, control signal)
5. Application Fields
- Material handling systems (conveyors, stackers)
- Food processing (mixing, packaging lines)
- Textile machinery (looms, dyeing and finishing equipment)
- Plastic machinery (injection molding, extrusion)
- Machine tools and tools (CNC lathes, milling machines)
- Other industrial automation scenarios that require medium and low power as well as precise speed/torque control.
6. Installation and Maintenance
6.1 Installation Points
- Location Selection: Choose an environment with good ventilation and no corrosive gases. Ensure there is sufficient heat dissipation space around the drive.
- Fixing: Use panel mounting screws to fix it to a standard cabinet (F10 frame) and ensure it is level.
- Power Wiring: Wire according to the rated voltage of 400 V three-phase, and use protective grounding that complies with local electrical specifications.
- Communication Wiring: Complete the corresponding DP‑I or Ethernet interface wiring based on the selected 20‑COMM‑E/ER or Ethernet module.
- Braking and Filtering: If external braking resistors or filter capacitors are required, connect them at the positions recommended in the manual.
6.2 Maintenance Recommendations
- Regular Inspection: Check whether the cooling fan, filter capacitor, and terminal block are loose or corroded.
- Cleaning: Keep the surface of the enclosure free of dust and oil to prevent heat dissipation obstruction.
- Firmware Upgrade: If a new version of firmware is available, upgrade it via Logix or Studio 5000 in accordance with official guidelines.
- Fault Diagnosis: Use the drive’s alarm/error codes (via DPI or Ethernet) to quickly locate problems, and refer to the corresponding technical manual for troubleshooting.
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