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ABB PM866A 3BSE076359R1 Central Processing Unit
ABB PM866A 3BSE076359R1
Overview
ABB PM866A 3BSE076359R1 is a high-performance central processing unit (CPU) in the ABB AC 800M series, specially designed for distributed control systems (DCS) and large-scale automation projects. It features reliable industrial-grade control capabilities and a variety of fieldbus interfaces, enabling high-speed and accurate process control as well as data acquisition.
Parameters
- Processor: 32-bit PowerPC 604e with a main frequency of approximately 400 MHz
- Memory/Storage: 1 GB RAM, 16 GB Flash
- Communication Interfaces: Ethernet (dual RJ45), PROFINET, PROFIBUS DP, DeviceNet, serial ports, etc.
- Power Supply: 24 V DC
- Power Consumption: < 10 W (typical)
- Operating Temperature: -40 °C to +70 °C
- Protection Class: IP65
- Dimensions/Weight: Approximately 120 mm × 200 mm × 60 mm, weighing around 1 kg
Product Features
- High-performance Computing: The 32-bit processor and large-capacity memory support complex control algorithms and big data processing.
- Modular and Scalable: It supports CPU redundancy and step-by-step function expansion, facilitating gradual system upgrades.
- Multi-protocol Compatibility: Built-in with various fieldbuses including Ethernet, PROFINET, PROFIBUS DP, and DeviceNet, it meets the access requirements of different on-site devices.
- Reliability: With ISA Secure certification, IP65 protection, and a wide operating temperature range, it is suitable for harsh industrial environments.
- Easy Maintenance: Adopting a DIN-rail mounting method with a sliding locking mechanism, it allows for quick disassembly, assembly, and on-site fault diagnosis.
Structure and Composition
- CPU Motherboard: Includes microprocessor, RAM, Flash, real-time clock, LED indicators, and initialization button.
- Communication Backplane: Provides dual Ethernet RJ45 ports, dual serial RJ45 ports, and optional slots for fieldbus modules.
- Power Module: 24 V DC power input with power management circuit.
- Rack/DIN-rail Mounting Bracket: Supports wall-mounted or rack-mounted fixation, equipped with a sliding locking device.
Application Fields
- Large-scale process control systems (petroleum, chemical industry, metallurgy)
- Power system automation (power generation, power distribution)
- Rail transit and urban rail control
- Continuous production lines such as papermaking, food and beverage
- Critical industrial facilities requiring high reliability and redundancy
Installation and Maintenance
Installation
It adopts standard DIN-rail or wall-mounted installation, with a sliding locking mechanism for quick positioning. The backplane is provided with a unique Ethernet address label for easy network identification.
Wiring
Complete the wiring of interfaces such as Ethernet, PROFINET, and PROFIBUS DP in accordance with the fieldbus manual; connect the power supply to 24 V DC.
Commissioning
Use engineering software provided by ABB (such as Automation Builder) for hardware configuration, firmware upgrade, and parameter setting.
Maintenance
The modular design supports unit-level replacement; the built-in fault diagnosis function can quickly locate abnormalities; 12-month warranty and global spare parts supply are provided to minimize downtime.
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We are your reliable expert in automation solutions. With years of in-depth experience in the automation field, we provide customers with a full range of products and services covering PLCs, DCSs, frequency converters, and more. Whether it is for complex process control in the petrochemical industry or motor energy-saving in the power sector, we can tailor the optimal solution for you. Our products are renowned for their stable performance and high reliability, and have passed strict quality certifications.
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