Allen-Bradley 20DC037A0EYNANANK
1. Overview
It adopts a modular and panel-mounted structure, suitable for speed control of 3-phase AC motors.
Compatible with industrial networks such as ControlNet and EtherNet/IP, it enables seamless integration with upper-level systems like PLCs and HMIs.
2. Parameters (Typical Technical Specifications)
| Item |
Description |
| Rated Voltage |
0 ~ 208 V AC (±10%), three-phase |
| Rated Power |
Selectable based on specific power grades, commonly 5 kW, 7.5 kW, 11 kW, etc. |
| Output Frequency Range |
1 ~ 120 Hz, frequency drift ±0.5% |
| Current Regulation Accuracy |
±1% (rated value) |
| Control Method |
Vector control (V/F) |
| Operating Temperature |
–10 °C ~ +50 °C |
| Storage Temperature |
–40 °C ~ +85 °C |
| Protection Class |
IP 20 (panel-mounted type) |
| Power Supply |
5 V DC 350 mA (internal control power supply) |
| Communication Interface |
ControlNet, EtherNet/IP (optional) |
| Display/Operation |
Full-digital LCD display with numeric keypad |
3. Product Features
- Efficient IGBT Drive: Enables low harmonic and low power consumption operation.
- Modular Frame: Optional C, D, E frames for easy on-site expansion or replacement.
- Multi-Network Compatibility: Supports ControlNet and EtherNet/IP to meet Industry 4.0 requirements.
- User-Friendly Interface: Full-digital LCD and keypad, supporting local parameter debugging and fault diagnosis.
- Reliable Protection Design: IP 20 dust and splash protection, suitable for harsh environments such as workshops and factories.
- Energy Saving: Vector control and dynamic braking functions extend motor service life and reduce energy consumption.
4. Structure and Composition
- Power Supply Module (5 V DC control power supply)
- Power Module (IGBT drive bridge)
- Control Processing Unit (CPU + storage)
- Display/Operation Panel (LCD + keypad)
- Communication Card Slot (supports insertion of ControlNet/EtherNet/IP cards)
- Heat Dissipation System (heat sink + fan, optional)
- Terminal Block (for power supply, output, and signals)
5. Application Fields
- Manufacturing Industry: Speed control of motors in packaging lines, assembly lines, and conveyor systems.
- Process Industry: Frequency control of pumps, fans, and compressors.
- Mining and Metallurgy: Soft start and speed control of large motors.
- Building Facilities: Energy-saving control of air conditioning and ventilation systems.
- Others: Any AC motor scenarios requiring precise speed and torque control.
6. Installation and Maintenance
6.1 Installation Key Points
- On-site Inspection: Confirm that the power voltage, grounding, and ambient temperature meet the technical specifications.
- Cabinet Fixing: Use bolts to fix the panel-mounted unit on the DIN-rail or the side wall of the cabinet.
- Wiring: Complete the connection of power supply, output, control signals, and communication lines according to the wiring diagram; ensure correct phase sequence.
- Communication Module: If network functions are needed, first insert the corresponding ControlNet/EtherNet/IP card and complete the network configuration.
- Power-On Test: After power-on, check the LCD display and fault indicator lights, and perform self-inspection of basic parameters (voltage, frequency).
6.2 Maintenance Recommendations
- Regular Inspection: Check the tightness of terminal blocks and whether dust accumulates on heat sinks every 6 months.
- Firmware Update: Download the latest firmware from the official Rockwell Automation website to improve compatibility and functionality.
- Fault Diagnosis: Use LCD fault codes or read diagnostic information via ControlNet/EtherNet/IP to quickly locate problems.
- Spare Parts Management: Keep power modules, IGBT modules, and communication cards in stock to shorten maintenance downtime.

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- Sales Manager : Jinny
- Email : sales5@xrjdcs.com
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