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- ABB
- BC810K02
- CEX-Bus Interconnection Unit
- Sweden
- 125 × 95 × 120 mm
- 0.58kg
- 3BSE031155R1
- Xiamen, China
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Product Technical Profile – ABB BC810K02 (3BSE031155R1)
1) Brand and Series Overview
Brand: ABB
Series: AC500 Modular PLC Series
The AC500 Series is a modular programmable logic controller platform designed for industrial automation across manufacturing, process control, infrastructure, and energy sectors. The system is structured around CPU units, power supply modules, communication interfaces, digital and analog I/O modules, and base units that form the physical and electrical backbone of the control system.
The BC810K02 belongs to the AC500 base unit family and functions as a rack interface and backplane distribution module. It provides mechanical mounting, internal bus routing, and power distribution for connected PLC modules.
2) Product Overview
The ABB BC810K02 (3BSE031155R1) is a PLC base module designed to host and interconnect AC500 automation modules. It serves as the central structural and electrical platform for CPU modules and expansion I/O cards.
BC810K02 integrates a backplane communication bus and distributes 24 V DC power to all connected modules. It supports modular expansion while maintaining system stability and signal integrity. The module is intended for installation inside industrial control cabinets and is optimized for compact panel layouts.
Its mechanical rigidity ensures secure installation in environments subject to vibration and continuous operation.
3) Technical Parameters
| Parameter | Specification |
|---|---|
| Model | BC810K02 (3BSE031155R1) |
| Product Type | PLC Base / Backplane Module |
| Series | AC500 Modular PLC |
| Supported Modules | CPU, Digital I/O, Analog I/O, Communication Modules |
| Max Module Slots | Up to 8 modules |
| Backplane Bus | Integrated high-speed internal bus |
| Bus Power Supply | 24 V DC |
| Current Capacity (Bus) | 5 A |
| Mounting Type | DIN Rail (35 mm) |
| Protection Class | IP20 |
| Operating Temperature | −20 °C to +60 °C |
| Storage Temperature | −40 °C to +85 °C |
| Relative Humidity | 5–95% non-condensing |
| Housing Material | Flame-retardant industrial polymer |
| Dimensions (H × W × D) | 125 × 95 × 120 mm |
| Weight (kg) | 0.58 kg |
| Cooling | Passive / Natural Convection |
4) Product Description
The BC810K02 base module acts as the backbone of a modular PLC configuration. It mechanically supports up to eight AC500-compatible modules while simultaneously providing internal communication and power distribution.
Through its integrated backplane bus system, BC810K02 ensures stable data transfer between CPU and I/O modules without external wiring. This reduces installation complexity and improves system reliability.
The structure of the module allows secure module locking and stable alignment, which is important in industrial environments where vibration or thermal changes may occur.
BC810K02 is suitable for both centralized and distributed automation architectures, making it adaptable to expanding system requirements.
5) Key Advantages
Reliable Backplane Communication
Ensures fast and stable internal data exchange between connected modules.
Simplified Wiring Architecture
Integrated bus design eliminates excessive cabling.
Scalable System Design
Supports modular expansion for growing automation needs.
Mechanical Stability
Rigid design ensures secure mounting in demanding environments.
Compact Panel Integration
Optimized dimensions for space-efficient cabinet layout.
High Compatibility
Works seamlessly with AC500 CPUs, power supplies, digital I/O, and analog I/O modules.
Low Maintenance Requirement
No moving parts; minimal servicing required.
6) Typical Applications
• Manufacturing production line control systems
• Distributed industrial automation panels
• Process control in water treatment facilities
• Energy management control systems
• Machine automation and robotics
• Infrastructure automation (building systems)
• Motor control and drive coordination
• Data acquisition and monitoring systems
7) Five Related Models (AC500 Series)
| Model | Function | Max Slots | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| BC810K01 | PLC Base Standard | 8 | 125 × 85 × 120 | 0.55 |
| BC820K02 | Compact Base Module | 6 | 125 × 70 × 110 | 0.48 |
| BC830K02 | Extended Rack Base | 10 | 125 × 130 × 120 | 0.82 |
| PM554AC | Power Supply Module | — | 100 × 50 × 110 | 0.40 |
| CPU314AC | AC500 CPU Module | — | 130 × 80 × 110 | 0.62 |
8) Five Popular Models (Same Brand)
| Model | Product Type | Main Rating | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| ACS580-01-12A6-4 | Variable Frequency Drive | 5.5 kW | 358 × 152 × 203 | 6.5 |
| ACS880-01-017A-4 | Drive Inverter | 17 kW | 220 × 120 × 180 | 3.6 |
| Emax 2 E1.6 | Air Circuit Breaker | 1600 A | 280 × 140 × 160 | 6.0 |
| Tmax XT4N | Molded Case Circuit Breaker | 250 A | 140 × 105 × 160 | 2.1 |
| AF16-30-10 | Contactor | 16 A | 90 × 55 × 78 | 0.42 |
9) Frequently Asked Questions (FAQ)
Q1: What is the purpose of BC810K02?
A1: It serves as a PLC base unit that supports mechanical mounting and internal bus communication for AC500 modules.
Q2: How many modules can it support?
A2: It supports up to eight modules depending on configuration.
Q3: What power supply is required?
A3: It distributes a 24 V DC bus power to connected modules.
Q4: Does it require external communication wiring between modules?
A4: No, the internal backplane bus handles communication automatically.
Q5: Is it compatible with all AC500 CPUs?
A5: Yes, it is designed to work with AC500-compatible CPU modules.
Q6: What is the mounting method?
A6: Standard 35 mm DIN rail mounting inside industrial cabinets.
Q7: What environmental conditions can it tolerate?
A7: Operating temperature range is −20°C to +60°C with non-condensing humidity up to 95%.
Q8: Is it suitable for vibration-prone environments?
A8: Yes, its rigid mechanical structure supports stable installation in industrial settings.
Q9: What maintenance is required?
A9: Periodic inspection of module seating and terminal connections is sufficient.
Q10: Can this base module be expanded later?
A10: Yes, additional modules can be added within slot capacity to expand system functionality.