The BC810K02 is an ABB System 800xA CEX-Bus interconnection unit kit featuring advanced communication segmentation logic and dual-unit voting topology. Fully compatible with various AC 800M controllers, this package works seamlessly with CEX-Bus communication networks to deliver increased subsystem availability and stable online CPU baseplate replacement.
Theory of Operation
- Dual-Part Architecture: Consists of a TP857 baseplate providing physical connections and a plug-in power supply/logic board.
- Power Conditioning: Incorporates an internal +3.3 V converter along with an external power voting diode and protective fuse.
- DIN-Rail Grounding: Bonds the entire assembly safely to the frame ground through metal parts in the baseplate housing.
- CEX-Bus Segmentation: Splitting the primary communication backbone into independent, isolated segments improves overall network availability.
- Fault Containment Barrier: A hardware failure on a single fieldbus interface cannot compromise or crash the main control backbone.
- Redundant Inter-Linking: Leverages a 1.0-meter TK851 interconnection cable to bridge data paths between two separate BC810 units.
- Hot-Swap Routing: Manages active traffic redirection to ensure online CPU baseplate changes do not disrupt running CEX communication.
- Traffic Isolation Protocol: Ceases data exchanges exclusively on the local segment if the active BC810 hardware requires physical replacement.
Features and Benefits
- Redundant Interface Support: Accommodates multiple redundant communication interface modules directly across separate segmented loops.
- Online CPU Replacement: Field technicians can swap processor baseplates live without disturbing running network traffic.
- Hot-Swappable Module Logic: Supports full plug-and-play module insertion and removal to minimize plant maintenance downtime.
- Isolated External Powering: Utilizes external 24 VDC supply inputs protected by integrated diode voting circuits.
- Turnkey Integration Kit: Ships as a complete package containing dual units, baseplates, bus terminators, and interconnection cabling.
- Broad Controller Compatibility: Integrates natively with various AC 800M processors ranging from the PM861A to the PM891.
- Hazardous Area Certified: Carries cULus Class 1 Zone 2 and Type 4 enclosure metrics for explosive industrial settings.
- Marine Grade Approvals: Fully certified by ABS, DNV-GL, and Lloyd's Register for deployment in marine control architectures.
Ordering Information Summary
|
Part Number / Article No. |
Component Designation |
Item Package Description |
Key Technical Metric / Dimension |
|
3BSE031155R1 |
BC810K02 |
Complete Interconnection Unit Kit Package |
Total Kit Weight: 1.5 kg (3.31 lbs) |
|
Sub-Component 1 |
BC810 |
Interconnection Unit (2 units included) |
Power: 24V nominal (1.2 W typical dissipation) |
|
Sub-Component 2 |
TP857 |
Module Baseplate (2 units included) |
Physical Casing Width: 59 mm / 60 mm |
|
Sub-Component 3 |
TK851 |
Interconnection Cable (1 unit included) |
Physical Cable Length: 1.0 meter |
|
Sub-Component 4 |
TB850 |
CEX-Bus Terminator (2 units included) |
Standard impedance backplane termination loop |
Installation & Troubleshooting FAQ
Q1: What exact component hardware items are fully included inside each BC810K02 kit package?
A: Each standard factory BC810K02 kit includes two BC810 Interconnection Units, two TP857 Baseplates (width = 60 mm), one TK851 Interconnection Cable (Length 1.0 m), and two TB850 CEX-Bus Terminators.
Q2: Will replacing a faulty BC810 module interrupt active controller field communication traffic?
A: Yes, while the kit supports non-disruptive online replacement of the main CPU baseplate, replacing the BC810 hardware module itself requires all signal traffic to that specific connected CEX segment to be temporarily stopped.
Q3: How is the baseplate properly grounded during standard mechanical mounting?
A: The included TP857 baseplate is grounded directly to the installation DIN-rail through integrated metal structural components built into the unit housing. Ensure the DIN-rail is clean and properly bonded to the main enclosure ground plane.




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