ABB AO920 Analog Output Module

Overview

The ABB AO920 is a high-performance analog output module designed to deliver precise actuator control in industrial automation systems. This module, part of the ABB S900 I/O System, offers reliable and flexible operation for various applications, including those in hazardous environments. Additionally, it ensures smooth integration with existing control systems through the PROFIBUS DP communication protocol.

Key Features

Model: AO920N (for non-hazardous areas)
Manufacturer: ABB
System Compatibility: S900 I/O System
Communication Protocol: PROFIBUS DP
Output Signal: 0/4…20 mA for actuators
Hazardous Area Certification: Available for Zone 1 and Zone 2
Channels: 4 isolated output channels
Hot Swap & Configuration: Allows maintenance without affecting operations
Redundancy: Ensures reliable power and communication
Diagnostics: Features auto-diagnostics to simplify maintenance and reduce downtime

Technical Specifications

Specification	Details
Output Signal	0/4…20 mA for actuators
Channels	4 isolated output channels
Communication Protocol	PROFIBUS DP
Hazardous Area Certification	Zone 1 & Zone 2 compliant
Dimensions	2.5 cm x 11.4 cm x 10.2 cm (Depth x Width x Height)
Weight	0.1 kg
Short & Break Detection	Yes
Electrical Isolation	Between output/bus, output/power, and channel-to-channel
Redundancy	Power and communication

Benefits

The ABB AO920 offers several advantages, including:

Redundancy: The system features both power and communication redundancy, boosting overall reliability. This ensures that even if one component fails, the system continues to operate smoothly.
Hot Swap & Configuration: With this feature, maintenance can occur without interrupting ongoing operations, which significantly minimizes downtime.
Improved Diagnostics: Auto-diagnostics help quickly detect and address issues, streamlining maintenance and enhancing system uptime.
Flexible Installation: The AO920 module is designed for installation in both hazardous and non-hazardous areas, making it suitable for various industrial applications. This feature helps reduce both wiring costs and installation time.
Seamless Integration: The PROFIBUS DP communication protocol allows for seamless integration into control systems, improving overall system efficiency.

Applications

The ABB AO920 is ideal for industrial applications that require both high reliability and safety. These include industries such as chemical processing, power generation, oil & gas, and others where hazardous conditions may exist. Its flexibility, combined with its advanced features, ensures its suitability for both non-hazardous and hazardous environments.

Warranty and Condition

Condition: New, in stock
Warranty: 1-year manufacturer warranty

Conclusion

The ABB AO920 analog output module is a reliable solution for actuator control in remote I/O systems. Its features—such as redundancy, hot swap capability, and comprehensive diagnostics—ensure reliable operation and ease of maintenance. Moreover, its flexible installation options, coupled with PROFIBUS DP communication, make it a vital component in automation systems, particularly in hazardous environments.