ABB BC810K02 (3BSE031155R1) – AC 800M Controller Module for Industrial Automation & Process Control

The ABB BC810K02 (manufacturer part number 3BSE031155R1) is a high-performance central processing unit (CPU) module designed for the AC 800M programmable logic controller (PLC) platform—a core component of ABB’s System 800xA distributed control system (DCS).

Manufacturer:
Part number: ABB BC810K02   3BSE031155R1
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Description

The ABB BC810K02 (manufacturer part number 3BSE031155R1) is a high-performance central processing unit (CPU) module designed for the AC 800M programmable logic controller (PLC) platform—a core component of ABB’s System 800xA distributed control system (DCS). Engineered for demanding industrial environments, the BC810K02 delivers deterministic real-time control, extensive I/O handling, and seamless integration with enterprise-level systems. It supports complex automation tasks in power generation, oil & gas, water/wastewater, mining, and manufacturing.

As part of the AC 800M family, the BC810K02 features enhanced processing speed, expanded program and data memory, and built-in communication interfaces—including dual Ethernet ports (for control network and engineering access) and an integrated Profibus DP master/slave port. The module supports IEC 61131-3 programming languages (LD, FBD, ST, SFC, IL) via Control Builder M, enabling flexible application development. With optional redundancy support (paired with a second BC810K02 in a redundant rack), it ensures continuous operation in critical processes where downtime is unacceptable.

The BC810K02 also includes hardware-based diagnostics, a watchdog timer, and battery-backed RAM for retaining program and variable states during power interruptions—making it ideal for safety-related or unattended operations.

Technical Specifications

Parameter NameParameter Value
Product ModelBC810K02
ABB Part Number3BSE031155R1
ManufacturerABB
Product TypeAC 800M CPU Controller Module
Compatible SystemsABB System 800xA, AC 800M PLC (BM810 base units)
Processor32-bit RISC, high-speed execution engine
Program Memory~4 MB (user program + configuration)
Data Memory~4 MB (retentive with battery backup)
Scan Cycle TimeAs low as 1 ms (depending on application size)
Communication Interfaces– 2× Ethernet (10/100 Mbps, RJ45)
– 1× Profibus DP (9-pin D-sub, up to 12 Mbps)
– Optional serial (via COM modules)
Redundancy SupportYes (with redundant baseplate and sync module)
Programming SoftwareControl Builder M (part of System 800xA Engineering)
Supported StandardsIEC 61131-3, IEC 61850 (with add-on libraries), IEEE 1588 (PTP)
Operating Temperature0°C to +60°C
Power Consumption~8 W
MountingPlugs into BM810 AC 800M base unit (DIN rail mount)
Safety CertificationSuitable for SIL2 applications (per IEC 61508, with proper architecture)

Main Features and Advantages

✅ High computational performance: The BC810K02 handles large control programs with fast execution, supporting thousands of I/O points and complex PID, motion, or sequential logic—ideal for turbine control, substation automation, or batch sequencing.

✅ Native System 800xA integration: As a native AC 800M controller, it integrates seamlessly into ABB’s unified DCS environment, enabling single-point engineering, asset monitoring, and alarm management across process and discrete domains.

✅ Dual Ethernet for separation of duties: One port connects to the control network (for I/O and peer-to-peer communication), while the other serves engineering and diagnostics, enhancing cybersecurity and maintenance efficiency.

✅ Profibus DP built-in: Eliminates the need for separate communication modules when connecting to drives, remote I/O (e.g., CI854), or legacy field devices—reducing cost and cabinet space.

✅ Redundancy-ready architecture: In critical applications (e.g., boiler protection or main compressor control), two BC810K02 units can run in hot-standby mode with automatic failover (<100 ms), ensuring uninterrupted process continuity.

✅ Battery-backed retentive memory: Retains critical variables (e.g., batch counters, alarm logs) during power loss, preventing data corruption and enabling faster restarts.

✅ Comprehensive diagnostics: LED indicators show RUN/STOP status, I/O faults, and communication errors. Detailed diagnostics are accessible via Control Builder M or System 800xA operator workplace.

Application Field

The BC810K02 is widely used in industries requiring robust, scalable, and integrated automation:

  • Power Generation: Controls auxiliary systems in thermal, hydro, and combined-cycle plants; interfaces with turbine governors and switchyard IEDs via IEC 61850.

  • Oil & Gas: Manages pipeline pumping stations, flare gas recovery, and offshore platform utilities with high reliability and remote access.

  • Water & Wastewater: Automates lift stations, filtration plants, and SCADA RTUs with long-term stability and low maintenance.

  • Mining & Metals: Drives conveyor logic, crusher interlocks, and dust suppression systems in electrically noisy environments.

  • Industrial Utilities: Controls steam headers, compressed air networks, and CHP (combined heat and power) systems within larger manufacturing sites.



Related Products

  • BM810: AC 800M base unit – required chassis for BC810K02

  • CI854: Profibus DP communication module – for additional DP channels

  • CI864: Foundation Fieldbus H1 module – for FF device integration

  • AM810: AC 800M analog I/O modules (e.g., AI810, AO810)

  • DM810: Digital I/O modules (e.g., DI810, DO810)

  • TB810: Terminal base units – for field wiring

  • Control Builder M: Engineering software for programming BC810K02

  • 3BSE038450R1: Backup battery for BC810K02 (retentive memory)

  • BC810KH02: Higher-performance variant with more memory (successor in some applications)

Installation and Maintenance

Pre-installation:

  • Confirm compatibility with your AC 800M firmware version (typically PG2 or later).

  • Install in a BM810 base unit with proper backplane power.

  • Use shielded Ethernet cables; ground shields at one end only.

  • For redundancy, install a synchronization module (e.g., CM810) and configure in Control Builder M.

Maintenance:

  • The BC810K02 has no moving parts and requires no routine calibration.

  • Monitor the battery status via software; replace every 3–5 years (part #3BSE038450R1).

  • If the module fails, replace with an identical 3BSE031155R1 unit—no reprogramming needed (program stored in flash).

  • Always back up the application before hardware changes.

  • Store spares in anti-static, dry packaging at room temperature.