ABB BC810 CEX-Bus Interconnection Unit

Description

Technical Specifications

• Product Type: CEX-Bus Interconnection Unit
• Compatible Systems: ABB AC 800M Series Controllers (PM861A, PM862, PM864A, PM865, PM866, PM866A, PM867), ABB Ability™ System 800xA DCS
• Power Supply: 24 V DC (input range: 19.2 V – 30 V DC)
• Power Consumption: Typical 1.2 W (50 mA at 24 V DC); Max. 1.68 W (70 mA at 24 V DC)
• Physical Dimensions (W x H x D): 59 mm x 185 mm x 127.5 mm
• Weight: Approx. 0.2 kg
• Operating Temperature: +5 °C to +55 °C
• Storage Temperature: -40 °C to +70 °C
• Relative Humidity: 5% – 95% (non-condensing)
• Protection Rating: IP20 (EN 60529, IEC 529)
• Isolation: Galvanic isolation between CEX-Bus segments
• Certifications: CE, UL 61010-1, UL 61010-2-201, cULus Class 1 Zone 2, ABS, BV, DNV-GL, LR, RoHS, WEEE
• Kit Components (BC810K02): 2 x BC810 Units, 2 x TP857 Baseplates, 1 x TK851 Interconnection Cable (1.0 m), 2 x TB850 CEX-Bus Terminators
• Structure: Composed of TP857 baseplate (CEX-Bus connectors, power interface, voting diode, fuse) and power/logic board (+3.3V converter, logic circuits, bus drivers)

Key Features & Benefits

1. CEX-Bus Segmentation & Enhanced Availability
   • Divides the CEX-Bus into separate, electrically isolated communication segments.
   • Prevents faults in one segment from disrupting the entire communication bus, drastically improving system uptime and fault resilience.
   • Optimizes performance for systems utilizing multiple communication interface modules.
2. Full Redundancy Support
   • Native support for fully redundant communication interface setups.
   • Enables dual BC810 units to operate in parallel, linked with primary/backup CPU pairs.
   • Ensures seamless failover and zero data loss during component failure.
3. Online CPU & Module Replacement
   • Facilitates hot-swapping and online replacement of CPU baseplates without halting or disturbing active CEX-Bus traffic.
   • Allows for maintenance and component upgrades without system shutdown, critical for continuous-process industries.
4. Independent External Power Supply
   • Powered by an external 24 V DC source, independent of the CPU power.
   • Integrated power voting diode and fuse for overcurrent and reverse-polarity protection.
   • Ensures stable communication power even if the main CPU power source is compromised.
5. Advanced Diagnostic & Status Monitoring
   • On-board LED indicators provide real-time visual feedback for operational status, communication health, and fault conditions.
   • Comprehensive self-diagnostics detect bus errors, power anomalies, and connection faults.
   • Enables predictive maintenance and rapid troubleshooting to minimize downtime.
6. Industrial-Grade Robustness
   • Conformal coated PCB for protection against dust, humidity, and industrial contaminants.
   • Rugged construction designed to withstand vibration and shock in heavy industrial environments.
   • Wide operating temperature range and compliance with global safety and EMC standards.
7. Modular & Compact Design
   • Standard DIN-rail mounting form factor for easy integration into control cabinets.
   • Plug-and-play installation with dedicated baseplate (TP857).
   • Compact footprint saves valuable cabinet space while delivering high functionality.

Application Scenarios

• Oil & Gas Industry
  • Integrates with AC 800M controllers in upstream drilling, midstream pipelines, and downstream refining DCS.
  • Manages redundant communication for critical control valves, compressor controls, and safety instrumented systems (SIS).
• Chemical & Pharmaceutical Manufacturing
  • Supports CEX-Bus segmentation in reactor control, distillation, and batch processing systems.
  • Ensures fail-safe communication in sterile and hazardous production environments.
• Power Generation (Fossil & Nuclear)
  • Used in boiler control, turbine governing, and plant-wide SCADA systems.
  • Maintains communication integrity for safety and emissions control systems.
• Metals & Mining
  • Provides reliable communication links for conveyor systems, crushing, milling, and smelting processes.
  • Operates in high-dust, high-vibration, and extreme-temperature environments.
• Water & Wastewater Treatment
  • Segments communication buses for pump control, filter systems, and chemical dosing.
  • Ensures continuous operation for municipal and industrial water infrastructure.
• Marine & Offshore
  • Certified for use on commercial vessels and offshore rigs for propulsion and dynamic positioning systems.
  • Withstands salt spray, humidity, and shipboard vibration.
• Cement & Paper Manufacturing
  • Supports control systems for kilns, calenders, and paper machines requiring high availability.
  • Facilitates non-stop production in continuous-process manufacturing lines.