Description
ABB AC 800M PM891K01 (3BSE053241R1) High – Performance Processor Unit Product Description
Product Overview
The ABB PM891K01 (3BSE053241R1) is a core processor unit of the AC 800M controller series, which is an important part of the ABB Ability™ System 800xA automation platform. It is a monolithic integrated unit that integrates a high – performance CPU, power supply, and communication interface, designed to provide stable and efficient control capabilities for complex industrial process control scenarios such as petrochemical, power generation, and metallurgy. It supports redundant configuration and seamless integration with S800 I/O modules, CEX – Bus expansion devices, etc., ensuring the reliability and scalability of the control system, and is the preferred core control component for large – scale distributed control systems (DCS) and industrial automation projects.
Technical Specifications
| Parameter | PM891K01 (3BSE053241R1) |
|---|---|
| Model Number | PM891K01 (Ordering Part Number: 3BSE053241R1) |
| Product Type | AC 800M Central Processor Unit (Non – redundant Base Model) |
| Core Processor | Freescale PowerQUICC III MPC8641, 450 MHz 32 – bit RISC CPU |
| Memory Configuration | 256 MB RAM, 512 MB Flash Memory, SD Card Expansion Slot (Supports up to 32 GB) |
| Communication Interfaces | 2×Redundant Ethernet (10/100 Mbps, RJ45), Optical Modulebus (for S800 I/O), CEX – Bus (for Expansion Modules), RCU Control Link |
| Supported Protocols | Ethernet/IP, PROFINET, Modbus TCP, OPC UA, Profibus DP (via CEX – Bus Modules) |
| I/O Expansion | Supports 7 S800 I/O Clusters (12 Modules per Cluster), Max. 84 S800 I/O Modules |
| Power Supply | 24V DC (19.2-30V DC), Redundant Power Input Optional |
| Operating Temperature | 0°C to +60°C (Industrial Grade), Storage: -40°C to +85°C |
| Physical Dimensions | 280mm×105mm×245mm, Weight: 2.1 kg |
| Mounting Type | Standard 19 – inch Rack Mount (3U), DIN Rail Compatible |
| Protection Level | IP20 (Module), EMC Certified, Anti – Vibration & Anti – EMI Design |
| Compliance | CE, RoHS, IEC 61131-3, IEC 61508 SIL 2 Certified |
| Package Contents | PM891 CPU Module, TB850 CEX – Bus Terminator, TB853 RCU Link Terminator (No Software License Included) |
Core Features & Advantages
- High – Performance & Stable Operation: The 450 MHz RISC CPU and large – capacity memory can handle complex control algorithms and massive real – time data. The minimum control cycle can reach 1 ms, which meets the real – time requirements of high – speed process loops such as boiler combustion control and turbine speed regulation, and the data processing delay is less than 500 μs.
- Flexible Redundancy & Expansion: It supports 1:1 hot – standby redundancy (by pairing with PM891K02 Redundant Module) and redundant Ethernet communication. The CEX – Bus can be segmented by BC810 Interconnection Unit to improve the availability of the expansion bus. The optical Modulebus ensures anti – interference and long – distance transmission of I/O data.
- Seamless Platform Integration: It is fully compatible with ABB 800xA DCS, AC 800PEC Controller (PPD539A102), and S800 I/O Systems. It can share data with the upper – level monitoring system in real time through OPC UA protocol, realizing the integration of control and information layers, and simplifying the system architecture.
- Comprehensive Diagnostic & Maintenance: It is equipped with LED status indicators, an INIT button, and a built – in real – time clock. The self – diagnosis function can monitor CPU load, memory usage, and communication link status in real time. Fault logs can be quickly read via Control Builder M, which shortens the troubleshooting time by over 50%.
- Safety & Compliance: It complies with IEC 61508 SIL 2 safety standards and has passed full EMC certification. It can work stably in harsh industrial environments with strong electromagnetic interference, voltage fluctuations, and mechanical vibration, ensuring the safety and continuity of production processes.
Application Fields
- Petrochemical DCS Systems: It is used to control key processes such as distillation towers, reactors, and pressure vessels. It supports complex control strategies such as cascade control and feedforward control, and can be integrated with safety instrumented systems (SIS) to meet the safety requirements of explosive environments.
- Thermal Power Plant Automation: It is applied to the control of boiler, turbine, and generator systems, realizing the coordinated control of power generation processes, and matching with excitation systems and grid – connected devices to ensure the stability and efficiency of power output.
- Metallurgical & Mining Control: It is used for the control of large – scale metallurgical equipment such as blast furnaces and rolling mills, and mining machinery such as crushers and conveyors. It can withstand high – temperature and dusty working environments and ensure the continuous operation of production lines.
- Water Treatment & Environmental Protection: It is used in the automatic control of sewage treatment plants, desalination systems, and flue gas treatment equipment. It supports the monitoring and regulation of multiple parameters such as flow, pH value, and turbidity, and improves the efficiency of environmental protection treatment.
Compatibility & Related Products
| Related Product Model | Product Name | Compatibility Description |
|---|---|---|
| PM891K02 (3BSE053242R1) | Redundant CPU Module | Forms 1:1 Hot – standby Redundancy with PM891K01 to Ensure Zero – downtime |
| BC810 (3BSE018107R1) | CEX – Bus Interconnection Unit | Segments CEX – Bus to Improve Expansion Reliability |
| S800 I/O Modules (e.g., DI810, AI810) | Digital/Analog I/O Modules | Expands On – site Signal Acquisition & Control Capabilities via Optical Modulebus |
| GFD563A101 (3BHE046836R0101) | Industrial Ethernet Module | Enhances Network Redundancy and Protocol Conversion Capabilities |
| Control Builder M | Engineering Configuration Software | Supports Program Writing, System Configuration, and Fault Diagnosis |
Installation & Maintenance Guidelines
Installation
- Mechanical Installation: Install the module on a standard 19 – inch 3U rack, and reserve a 50mm ventilation space around it. Fasten the module with screws with a torque of 2.5N·m to prevent loosening caused by vibration.
- Electrical Wiring: Connect the 24V DC power supply first (redundant power is recommended). Use shielded twisted – pair cables for Ethernet cables and fiber – optic cables for Modulebus to avoid signal interference. Connect the CEX – Bus and RCU Link terminators (TB850, TB853) as required.
- System Configuration: Use Control Builder M to set the IP address, subnet mask, and communication protocol of the CPU. Configure the I/O mapping and redundancy parameters (if applicable), and perform online communication tests to ensure normal data transmission.
Maintenance
- Regular Inspection: Check the LED indicators (power, Ethernet, fault) monthly. Use 800xA System Diagnostics to read CPU load, memory usage, and communication error rate quarterly.
- Firmware Update: Update the CPU firmware annually to fix bugs and improve compatibility with new modules. The update can be completed online without stopping the system operation.
- Environmental Maintenance: Clean the dust in the control cabinet and the module surface regularly to ensure good heat dissipation. Check the tightness of power and communication connectors every 6 months to prevent poor contact.
Product Assurance
Hong Kong Saul Electric Co., Ltd. provides a 1 – year warranty for the ABB PM891K01 (3BSE053241R1) processor unit, covering manufacturing defects and performance problems. We have sufficient inventory to meet the urgent needs of customers for spare parts in industrial projects. Our professional technical team can provide on – site installation guidance, system configuration, and fault troubleshooting services. For inquiries or orders, please contact us via WhatsApp: https://wa.me/+8618030274856 or email: saulplcmodule@gmail.com. We are committed to providing you with high – quality industrial automation solutions.
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