ABB BCU-02

Here is a detailed introduction to the **ABB BCU-02**:
**1. Product Overview**  
The **BCU-02** is a **Basic Control Unit** in ABB's **Compact Control Builder (CCB)** system, belonging to the AC 800M series of cost-effective controllers designed for small to medium-sized automation projects.  
**2. Key Features**  
**(1) Hardware Configuration**  
- **Processor**: High-performance 32-bit RISC processor  
- **Memory Capacity**:  
  - Program memory: 8 MB  
  - Data memory: 4 MB  
- **I/O Expansion**: Supports up to 128 local/remote I/O modules (via Profibus DP or I/O bus)  
- **Communication Interfaces**:  
  - 1 Ethernet port (10/100 Mbps)  
  - 1 RS-232 serial port (for debugging)  
  - Optional Profibus DP slave module  
**(2) Software Functions**  
- **Programming Environment**: Control Builder M engineering tool (compliant with IEC 61131-3 standards)  
- **Control Functions**: Supports logic control, PID regulation, data logging, etc.  
- **Redundancy Capability**: No hardware redundancy (upgrade to BCU-12/BCU-15 required)  
**(3) Environmental Adaptability**  
- **Operating Temperature**: -25°C to +60°C  
- **Protection Rating**: IP20 (requires installation in a control cabinet)  
- **Certifications**: CE, UL, ATEX (optional)  
**3. Technical Specifications**  
| **Parameter**         | **Specification**                |
|-----------------------|----------------------------------|
| Power Supply          | 24V DC (±20%)                   |
| Power Consumption     | ≤10W (typical)                  |
| Task Cycle            | Minimum 10ms                    |
| Communication Protocols | Modbus TCP, OPC DA (via software) |
| **Weight**            | **Approx. 0.6kg**               |
**4. Typical Applications**  
- **Process Control**: Small-scale PLC replacement (chemical, water treatment)  
- **Machinery Equipment**: Packaging machines, conveyor control  
- **Energy Management**: PV inverter control, pump station automation  
**5. Model Number Breakdown**  
- **BCU**: Basic Control Unit  
- **02**: Base version (non-redundant, economical)  
**6. Compatible Components**  
- **Required Components**:  
  - Power supply module (e.g., PS801)  
  - I/O modules (e.g., AI810, DO830)  
- **Optional Accessories**:  
  - Communication module (e.g., CI853 Profibus DP master)  
  - Memory card (for program backup)  
**7. Maintenance & Upgrade**  
- **Firmware Updates**: Online upgrades via Control Builder M  
- **Lifecycle**: Gradually being replaced by BCU-12 (recommended for new projects)  
**Support & Documentation**  
- **Official Manual**: Refer to **《AC 800M Hardware Manual》** (Document No. 3BSE036351-600)  
- **Alternative Model**: BCU-12 (enhanced performance with redundancy support)  
**Contact us if you need this product!**