ABB 3BSE076939R1 PM866AK01

Description

Product Description

Product Parameters

• Brand & Model: ABB, 3BSE076939R1 PM866AK01
• Device Type: PLC Central Processing Unit (CPU) Module
• Power Supply: 24V DC, with ±10% voltage tolerance
• Processor: Single-core 32-bit ARM Cortex-A8, 1.0 GHz clock speed
• Memory: 1 GB DDR4 RAM, 4 GB embedded flash memory
• Supported Programming Languages: Ladder Logic (LD), Function Block Diagram (FBD), Structured Text (ST), Instruction List (IL), Sequential Function Chart (SFC)
• Response Time: ≤ 0.5 ms (for real-time control tasks)
• Operating Temperature: -40°C to +70°C
• Protection Rating: IP20 (per IEC 60529 standard)
• Communication Interfaces: 2 x 10/100/1000 Mbps Ethernet ports, 1 x Profinet IO port, 1 x Modbus TCP port, 1 x RS-485 serial port
• Dimensions (W × D × H): 85 mm × 120 mm × 155 mm
• Weight: 0.55 kg
• Compatible PLC Systems: ABB AC 800M, ABB AC 800XA
• Certifications: CE, UL, CSA, ATEX, IECEx

Advantages and Features

1. Optimized Industrial Control Performance: The single-core 32-bit processor of ABB 3BSE076939R1 PM866AK01 is customized for industrial control logic, delivering efficient processing of sequential tasks and loop control while maintaining low power consumption—a perfect fit for medium-scale automation scenarios.
2. Balanced Memory Configuration: With 1 GB DDR4 RAM and 4 GB flash memory, the module provides sufficient storage for control programs, process parameters, and operational logs, eliminating the need for additional external storage devices.
3. Flexible Communication Capabilities: Equipped with multiple mainstream industrial communication interfaces, ABB 3BSE076939R1 PM866AK01 supports seamless connectivity with HMIs, remote monitoring systems, and distributed I/O modules, breaking down compatibility barriers between different equipment.
4. Strong Environmental Resilience: Boasting EMC Class 3 protection and a wide operating temperature range, the module can operate stably in harsh settings such as chemical plants, outdoor power stations, and high-vibration manufacturing workshops.
5. Cost-Effective and Easy to Maintain: The modular design simplifies on-site installation and replacement, while compliance with universal programming standards reduces training costs for technical teams. Its reliable performance also minimizes maintenance frequency and production downtime.

Application Cases in Industry

• Energy Sector: ABB 3BSE076939R1 PM866AK01 is applied in solar power plants, small hydropower stations, and regional power distribution networks to control inverter systems, circuit breakers, and power monitoring devices, ensuring stable energy output and efficient load distribution.
• Oil & Gas Industry: In oil and gas gathering stations and small refineries, the module manages pumping stations, valve groups, and gas detection systems, providing real-time data on pressure and flow to guarantee safe and efficient operation.
• Pharmaceutical Industry: At pharmaceutical production facilities, ABB 3BSE076939R1 PM866AK01 controls the temperature, humidity, and mixing speed of pharmaceutical reactors, adhering to strict GMP standards to ensure the consistency and quality of pharmaceutical products.
• Food & Beverage Industry: Integrated into automated packaging and filling lines, the module coordinates conveyor belts, filling machines, and weight inspection equipment, improving production efficiency and meeting food safety traceability requirements.

Comparison with Competitors

Selection Suggestions

1. Match Project Scale: ABB 3BSE076939R1 PM866AK01 is ideally suited for medium-scale automation projects with moderate control complexity, such as small factories, regional energy systems, and specialized production lines, offering an optimal balance of performance and cost.
2. Confirm Platform Compatibility: Ensure your existing automation system is based on ABB’s AC 800M or AC 800XA series to achieve plug-and-play integration with ABB 3BSE076939R1 PM866AK01 and avoid communication compatibility issues.
3. Evaluate Environmental Conditions: If the module will be used in extreme temperatures, high-humidity areas, or environments with strong electromagnetic interference, its robust environmental resilience makes it a more reliable choice than competitors with narrower operating ranges.
4. Consider Budget Constraints: For projects with limited investment but high requirements for stability and scalability, this module provides better cost-effectiveness than high-end dual-core models while meeting long-term operation and upgrade needs.

Precautions

1. Installation: When installing ABB 3BSE076939R1 PM866AK01, avoid direct contact with high-heat components (e.g., power supplies) in the electrical cabinet. Ensure proper ventilation around the module and use only genuine ABB mounting brackets to prevent loose connections due to vibration.
2. Programming: Utilize ABB’s official Control Builder M software for program development and debugging. Unauthorized third-party software may cause function incompatibility or system crashes.
3. Maintenance: Regularly check the tightness of communication and power connectors. Clean the module’s surface with a dry, lint-free cloth periodically. Update firmware only through ABB’s official channels to ensure system security and stability.
4. Storage: Prior to installation, store ABB 3BSE076939R1 PM866AK01 in its original packaging in a dry, cool environment with a temperature of 5°C to 35°C and relative humidity ≤ 60%. Avoid exposure to direct sunlight and corrosive gases.
5. Certification Check: For use in explosive environments (e.g., oil refineries), confirm that the module holds valid ATEX and IECEx certifications to comply with on-site safety regulations.

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