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- BC820K01
- CEX-Bus Interconnection Unit
- Sweden
- 125 × 70 × 110 mm
- 0.48kg
- 3BSE071501R1
- Xiamen, China
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Technical Profile – ABB BC820K01 (3BSE071501R1)
1) Brand and Series Overview
Brand: ABB
Series: AC500 Modular PLC Series
The AC500 Series is a flexible and scalable programmable logic controller (PLC) platform designed for industrial automation. This series encompasses CPU modules, power supplies, communication interfaces, digital and analog I/O modules, specialty modules, and base units that provide the mechanical and electrical backbone for PLC configurations.
The BC820K01 is a compact base module within the series. It provides physical support and electrical distribution for connected PLC modules, acting as a foundational interface for smaller automation systems or localized control clusters.
2) Product Overview
The ABB BC820K01 (3BSE071501R1) is a base rack module that serves as the structural and electrical platform for an AC500 PLC installation. It is engineered to house and power a selection of PLC components including CPU units, digital and analog I/O modules, and optional communication cards. The BC820K01 simplifies control cabinet layout and ensures dependable internal communication across modules via an integrated backplane system.
This module is particularly well suited for compact automation panels where space is at a premium, yet system performance and expandability remain important. The design supports robust installation in industrial environments and facilitates straightforward field servicing.
3) Technical Parameters
| Parameter | Specification |
|---|---|
| Model | BC820K01 (3BSE071501R1) |
| Product Type | PLC Base / Backplane Module |
| Series | AC500 Modular PLC |
| Module Slots | Up to 6 modules |
| Backplane Bus | Integrated PLC communication bus |
| Bus Power Supply | 24 V DC |
| Current Capacity | 5 A (Backplane) |
| Mounting Method | DIN Rail (35 mm) |
| Protection Class | IP20 |
| Operating Temp. | −20°C to +60°C |
| Storage Temp. | −40°C to +85°C |
| Relative Humidity | 5–95% non-condensing |
| Terminal Connection | Screw terminals |
| Housing Material | Flame-retardant industrial polymer |
| Dimensions (H × W × D) | 125 × 70 × 110 mm |
| Weight (kg) | 0.48 kg |
| Cooling | Natural convection |
4) Product Description
The BC820K01 is designed to support modular PLC installations where a larger base unit would be unnecessary or space-restrictive. It provides a mechanically stable frame and robust electrical connections for up to six modular components in the AC500 family.
Electrical distribution for power and signal communication is delivered through a built-in backplane bus that eliminates excessive external wiring. This internal bus system enhances reliability by reducing connection complexity and improving signal integrity.
The casing is engineered with industrial standards in mind, able to withstand vibrational stress and maintain consistent operation across a wide temperature range. The BC820K01 also facilitates rapid servicing due to its clear terminal arrangement and slot labeling.
5) Key Advantages
Compact and Space-Efficient
Designed for installations where cabinet space is limited.
Integrated Backplane Bus
Reduces external wiring and simplifies communication between modules.
Modular Expansion Support
Facilitates installation of CPU, I/O, and specialist modules without structural complexity.
Durable Construction
Engineered for industrial environments with stable long-term performance.
Simplified Maintenance
Accessible terminals and clear slot identification streamline servicing.
Reliable Power Distribution
Ensures stable 24 V DC power across connected modules.
Standard DIN Rail Mounting
Compatible with common industrial cabinet standards.
6) Typical Applications
• Small to medium industrial automation cabinets
• Machine control in discrete manufacturing environments
• Energy plant auxiliary control systems
• Building services automation
• Material handling and conveyor control panels
• Distributed control cluster systems
• Batch processing controller units
• Infrastructure automation cabinets
7) Five Related Models (AC500 Series Base or Rack Modules)
| Model | Function | Max Slots | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| BC810K01 | Standard PLC Base | 8 | 125 × 85 × 120 | 0.55 |
| BC810K02 | Extended PLC Base | 8 | 125 × 95 × 120 | 0.58 |
| BC830K01 | Large Rack Base | 10 | 125 × 130 × 120 | 0.82 |
| BC820K02 | Compact Base (Variant) | 6 | 125 × 70 × 110 | 0.50 |
| BC800K01 | Starter Rack Base | 4 | 125 × 50 × 100 | 0.40 |
8) Five Popular Models (Same Brand – Industrial Portfolio)
| Model | Product Type | Specification / 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 E2.2 | Air Circuit Breaker | 1600 A | 371 × 210 × 268 | 8.2 |
| 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 role of BC820K01?
A1: It is a base unit for AC500 PLC modules that provides mechanical support and internal bus communication for up to six connected modules.
Q2: What power supply does the backplane use?
A2: The internal communication bus distributes a 24 V DC supply to all connected modules.
Q3: How many PLC modules can be mounted on BC820K01?
A3: Up to six modules can be installed depending on the chosen configuration.
Q4: Is external cabling required between connected PLC modules?
A4: No, the backplane bus handles internal communication and power distribution, greatly reducing external wiring.
Q5: What environments can BC820K01 operate in?
A5: It can operate in industrial cabinets within a temperature range of −20°C to +60°C and humidity up to 95% non-condensing.
Q6: How is the unit mounted?
A6: It is designed for standard 35 mm DIN rail mounting.
Q7: Does BC820K01 support both digital and analog modules?
A7: Yes, it supports any AC500-compatible modules, including digital and analog I/O modules.
Q8: What maintenance is typically required?
A8: Maintenance generally involves visual inspection and ensuring module connections remain secure.
Q9: Can the system be expanded after initial installation?
A9: Yes, additional modules can be added up to the maximum supported count.
Q10: Does this base module include a power supply?
A10: No, the base module itself does not include a separate power supply; a dedicated power supply module must be installed in the rack.