ABB FEX-2A 3ADT311500R0001 module

The ABB FEX-2A (Part Number: 3ADT311500R0001) is a high-performance Field Excitation Unit (Exciter) designed primarily for use with ABB’s industrial drive systems, specifically the DCS800 and DCS550 series DC drives. It serves as a specialized power converter that provides and regulates the DC current required for the field winding of a DC motor.

Product Specifications (Parameters)

Key Advantages

• Integrated Control: Unlike third-party exciters, the FEX-2A communicates directly with the DCS800 firmware, allowing for seamless field weakening and motor protection.

• High Reliability: Built to industrial standards, ensuring stable performance in harsh environments like steel mills or paper plants.

• Precision Regulation: Provides extremely stable field current, which is critical for maintaining constant torque and preventing motor overspeed during field weakening.

• Space Efficient: Its compact form factor allows it to be mounted directly within the drive cabinet, reducing external wiring and footprint.

Product Applications

The FEX-2A is essential in any application requiring precise control of a DC motor's magnetic field, particularly:

• Metals Industry: Main drives for rolling mills and wire drawing machines.

• Pulp & Paper: Sectional drives for paper machines and winders.

• Mining: Hoists and conveyor systems requiring high starting torque.

• Extruders: Plastic and rubber manufacturing where speed consistency is vital.

Important Considerations & Maintenance

Safety Warning: This equipment operates with high voltage and high current. Ensure all power sources are disconnected and locked out before installation or maintenance.

• Firmware Compatibility: Ensure the main drive’s firmware version supports the FEX-2A module to avoid communication errors.

• Heat Dissipation: Although compact, the unit generates heat. Ensure the drive cabinet has adequate ventilation to prevent thermal tripping.

• Overcurrent Protection: Always verify that the field current settings in the drive software do not exceed the motor’s rated field current or the FEX-2A’s 25A limit.

• Wiring Integrity: Check terminal connections regularly, as vibration in industrial settings can loosen wires, leading to arcing or loss of field (which can cause a motor "runaway" condition).

 Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Related products:

E-mail: alex@fenoux.com

Tel.: +86 13338369201

Skype: +86  13338369201

WhatsApp: +86  13338369201