ABB BC810 3BSE031154R1 CEX-Bus Interconnection Unit

The ABB BC810 3BSE031154R1 is a CEX-Bus Interconnection Unit designed for the ABB AC 800M High Integrity safety controller within the 800xA distributed control system (DCS) platform. This module plays a critical role in enabling the communication between the high-integrity safety system (HI) and the standard control environment, providing a robust and fail-safe mechanism to bridge these two systems via the CEX-Bus (Controller Extension Bus).

As part of the S800 I/O family, the BC810 offers secure data exchange and system integration while maintaining compliance with SIL3 safety standards according to IEC 61508. It is typically used in high-reliability applications such as process automation, safety instrumented systems (SIS), emergency shutdown systems (ESD), and critical process isolation.

The BC810 ensures seamless operation of redundant architectures and supports hot-swappable installation, which minimizes system downtime and facilitates easy maintenance. This unit is essential for large-scale automation projects requiring a high level of integration between safety and process control systems.

Product Specifications

Applications

The ABB BC810 CEX-Bus Interconnection Unit is a key infrastructure component used in:

• Process Automation Systems – Where reliable communication is required between safety and control modules.

• Emergency Shutdown Systems (ESD) – Ensures fault-tolerant linking between redundant controllers and field I/O.

• Safety Instrumented Systems (SIS) – Used in systems requiring SIL3 compliance for logic processing and I/O interfacing.

• Oil & Gas Facilities – Offshore platforms and refineries for safe operation and process segregation.

• Chemical & Petrochemical Plants – For integrating safe shutdown functions with plant control networks.

• Power Plants – Ensures secure and safe distribution of control signals across redundant safety systems.

Product Advantages

• High Integrity Communication – Designed for use in SIL3 safety applications as per IEC 61508 standards.

• Redundancy Support – Enables safe and continuous operation through redundant communication paths.

• Hot-Swappable Design – Ensures easy maintenance without system shutdown, maximizing uptime.

• Compact & Robust Form Factor – DIN-rail mountable with a small footprint suitable for dense installations.

• Isolated Communication – Galvanic isolation ensures minimal signal interference and increased system reliability.

• Flexible Architecture – Seamlessly integrates safety and control domains for unified automation.

• Backplane Powered – Reduces cabling complexity and allows for centralized power management.

• Certified for Hazardous Zones – ATEX Zone 2 certification enables deployment in explosive environments.

• Supports Long Distance Communication – Up to 200m per segment with approved cables.

• Full ABB System Compatibility – Native to AC 800M HI and S800 I/O platforms, ensuring smooth system integration.

Frequently Asked Questions (FAQ)

1. What is the primary function of the BC810 module?

   It connects safety-critical modules with standard control modules via the CEX-Bus.

2. Is BC810 compatible with redundant systems?

   Yes, it fully supports redundant configurations used in high-integrity safety systems.

3. Can the module be replaced while the system is running?

   Yes, it supports hot-swapping without needing to shut down the system.

4. Does the BC810 require an external power supply?

   No, it is powered via the system backplane.

5. Is the BC810 certified for use in safety applications?

   Yes, it is certified for SIL3 applications under IEC 61508 standards.

6. What is the communication standard used by the CEX-Bus?

   It uses RS-485-based communication with optical isolation.

7. What is the maximum cable length supported?

   Up to 200 meters per segment, using approved cables.

8. Can the BC810 be used in ATEX-certified environments?

   Yes, it is certified for ATEX Zone 2 hazardous areas.

9. What systems is the BC810 compatible with?

   It is compatible with ABB’s AC 800M controllers and S800 I/O systems.

10. How is the BC810 installed?

    It is designed for DIN-rail mounting inside control cabinets.