The Yokogawa ABC11D-A2123 Dual-Redundant Bus Converter is a sophisticated communication module designed to ensure highly reliable data transmission within industrial control networks. It plays a pivotal role in maintaining continuous communication by managing dual-redundant bus lines, which significantly enhances system availability and reduces the risk of operational downtime.

This module is engineered to simultaneously monitor two separate bus lines and seamlessly switch communication paths when a fault or failure occurs on one line, ensuring uninterrupted data flow. The ABC11D-A2123 supports high-speed data transfer and incorporates advanced fault detection and self-diagnostic functions that promptly identify communication issues, allowing for quick troubleshooting and maintenance.

With its compact, rack-mountable design, the ABC11D-A2123 easily integrates into Yokogawa’s control system infrastructure, fitting neatly into existing setups without requiring additional space. Its robust construction guarantees stable operation under a variety of environmental conditions, including temperature fluctuations and electrical interference typical in industrial settings.

The module’s versatility and durability make it suitable for a wide range of process automation applications, such as power plants, petrochemical industries, and manufacturing plants, where system reliability and data integrity are critical for safe and efficient operation.

Product Specifications

Product Applications

• Distributed Control Systems (DCS): Provides reliable communication redundancy to avoid data interruptions.

• Power Generation: Maintains continuous communication in power plant control networks.

• Petrochemical and Chemical Plants: Enhances safety by ensuring communication stability in hazardous environments.

• Manufacturing Automation: Minimizes downtime by providing seamless bus switching.

• Water and Wastewater Treatment: Supports stable process monitoring and control.

• Oil and Gas Industry: Ensures robust data transmission in complex and critical infrastructures.

Product Advantages

• True Dual-Redundancy: Guarantees uninterrupted communication by instantly switching between two bus lines.

• High Data Transfer Speeds: Supports real-time data transmission at speeds up to 10 Mbps.

• Advanced Fault Diagnostics: Identifies faults quickly with integrated self-monitoring, reducing troubleshooting time.

• Compact and Robust Design: Fits into standard control racks and withstands harsh industrial environments.

• Flexible Connectivity: Supports multiple connection types compatible with Yokogawa systems.

• Energy Efficient Operation: Low power consumption supports sustainable and cost-effective system operation.

• Seamless System Integration: Fully compatible with Yokogawa FCS and other control system components.

FAQ

1. What communication protocol does the ABC11D-A2123 support?

   It uses dual redundant proprietary bus lines to ensure continuous data flow.

2. How does the module handle communication redundancy?

   By monitoring two bus lines simultaneously and switching automatically when one fails.

3. What is the maximum data transfer rate?

   Up to 10 Mbps, allowing for high-speed communication.

4. What power supply is required for operation?

   A 24 V DC power source is needed for stable operation.

5. Does the module provide fault detection features?

   Yes, it includes built-in self-diagnostic and fault isolation functions.

6. How does the ABC11D-A2123 maintain data integrity during bus switching?

   It uses intelligent control logic to switch buses seamlessly without data loss.

7. Is the module compatible with Yokogawa’s Distributed Control System?

   Yes, it is designed for full compatibility and integration with Yokogawa FCS.

8. What environmental conditions can the ABC11D-A2123 withstand?

   It operates reliably from -20°C to +70°C and in 5% to 95% relative humidity (non-condensing).

9. What connection types are supported?

   Terminal blocks and specialized bus connectors compatible with Yokogawa systems.

10. Can the module detect faults without interrupting communication?

    Yes, it continuously monitors system health and isolates faults while maintaining data flow.