Product Description

ABB NETA-21 / NEXA-21 Excitation Controller and Communication Module

The ABB NETA-21 and NEXA-21 combination forms a highly reliable industrial control and remote monitoring system designed for advanced drive management. The NETA-21 acts as a versatile remote monitoring tool, providing seamless web-based access to your ABB drives, while the NEXA-21 serves as a robust excitation controller and extension module. This system features comprehensive connectivity options, including dual Ethernet ports (PC ETH 1, ETH 2) with dual MAC addresses, USB, and an SD card slot for easy data logging and configuration. The rear panel offers flexible power inputs (DC 9-30V and AC/DC 24V) alongside standard EIA-232 and EIA-485 serial communication ports. With intuitive LED status indicators for power, status, monitoring, and data transmission, this CE and RoHS-certified module ensures optimal performance and easy diagnostics in demanding industrial automation environments.

Technical Specifications:

  • Brand: ABB

  • Model: NETA-21 / NEXA-21

  • Part Codes: 3AUA0000093675 (NETA-21) / 3AUA0000093781 (NEXA-21)

  • Power Input: X1 DC 9-30V power input; X11 AC/DC 24V power input

  • Front Panel Interfaces: USB, EXT, SD card slot, PNL 1/2, SD RJ45, PC ETH 1, and ETH 2

  • Rear Panel Interfaces: X2 EIA-232 serial port, X3 EIA-485 serial port

  • Network Communication: Ethernet communication with dual MAC addresses

  • Status Indicators: PWR, STAT, MON, RX, and TX LEDs

  • Certifications: CE, RoHS compliant

ABB NETA-21 / NEXA-21 Excitation Controller and Communication Module Description

ABB NETA-21 / NEXA-21 Excitation Controller and Communication Module

Optimize your industrial drive control with the ABB NETA-21 / NEXA-21 Excitation Controller and Communication Module (3AUA0000093675 / 3AUA0000093781). Featuring dual Ethernet, versatile serial ports (EIA-232/485), and web-based remote monitoring capabilities, this module ensures seamless and reliable automation management.