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- ABB
- PM891K02
- Redundant Processor Unit AC 800M Controllers
- Sweden
- 186 mm × 180 mm × 55 mm
- 1.12kg
- 3BSE053242R1
- Xiamen, China
- New & In Stock
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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 Overview: ABB PM891K02 (3BSE053242R1)
1. Product Introduction
The PM891K02 (3BSE053242R1) is a high-performance CPU module in the renowned AC 800M series of automation controllers. It is designed for demanding industrial process control applications requiring high reliability, advanced communication options, and substantial processing power. This model features enhanced memory capacity and robust redundancy support, making it well-suited for large-scale distributed control systems (DCS) where downtime must be minimized and operational efficiency maximized.
The PM891K02 integrates seamlessly with the AC 800M ecosystem, supporting complex control strategies, fast real-time execution, and multiple network protocols. It is optimized for harsh industrial environments and critical infrastructure projects.
2. Product Parameters
| Parameter | Specification |
|---|---|
| Model | PM891K02 (3BSE053242R1) |
| Product Type | CPU Module / Controller Unit |
| Product Series | AC 800M Series |
| Dimensions (W × H × D) | 186 mm × 180 mm × 55 mm |
| Weight | 1.21 kg |
| Operating Voltage | 24 V DC |
| Processor | High-Speed Industrial CPU (400 MHz) |
| Memory | 512 MB RAM, 256 MB Flash |
| Real-Time Clock | Built-in |
| Redundancy Support | Yes, supports CPU redundancy |
| Communication Interfaces | Ethernet, RS-232, ModuleBus, RNRP |
| Supported Protocols | TCP/IP, OPC, MODBUS, PROFIBUS, ControlNet |
| Operating Temperature | -25 °C to +70 °C |
| Storage Temperature | -40 °C to +85 °C |
| Protection Class | IP20 |
| Mounting Type | DIN Rail Mount |
| Diagnostic LEDs | Yes |
3. Product Applications
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Large-scale Distributed Control Systems (DCS) for critical process industries
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Power generation and utility automation
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Oil and gas upstream and refining control
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Chemical and pharmaceutical manufacturing automation
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Water and wastewater treatment facilities
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Steel, cement, and mining plant control
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Food and beverage processing automation
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Infrastructure and building automation requiring high availability
4. Product Advantages
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High-Performance CPU: Delivers fast processing for complex and time-sensitive control tasks.
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Enhanced Memory: Supports larger programs and data logging requirements.
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Redundancy Support: Enables fail-safe operation with CPU redundancy, reducing risk of unplanned downtime.
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Multi-Protocol Communication: Supports a wide range of industry-standard communication protocols, ensuring flexible integration.
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Industrial Reliability: Engineered to withstand harsh environments and continuous operation.
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Compact and Easy to Install: DIN rail mounting simplifies panel design and deployment.
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Advanced Diagnostics: Integrated LEDs and monitoring tools allow quick fault detection and troubleshooting.
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Scalable and Modular: Fits a wide spectrum of applications, from medium to very large automation projects.
5. Brand and Series
| Attribute | Description |
|---|---|
| Brand | ABB |
| Product Series | AC 800M High-Performance Controllers |
6. Recommended Models in the Same Series or Related
| Model | Dimensions (mm) | Weight (kg) | Description |
|---|---|---|---|
| PM891K01 | 186 × 180 × 55 | 1.20 | High-end CPU with 256 MB RAM, 128 MB Flash |
| PM891K03 | 186 × 180 × 55 | 1.22 | Enhanced memory and communication capabilities |
| PM867K02 | 186 × 180 × 55 | 1.18 | Redundant controller optimized for critical systems |
| PM876-1 | 186 × 180 × 55 | 1.20 | High-performance controller with scalable features |
| PM866K01 | 186 × 180 × 55 | 1.17 | CPU module with multi-protocol communication support |
7. Recommended Popular Models from the Same Brand
| Model | Dimensions (mm) | Weight (kg) | Description |
|---|---|---|---|
| PM860AK01 | 186 × 180 × 55 | 1.10 | Entry-level CPU for simple control tasks |
| PM864AK02 | 186 × 180 × 55 | 1.13 | Reliable CPU with included CompactFlash for expanded storage |
| PM865K01 | 186 × 180 × 55 | 1.15 | Mid-level CPU for diverse automation needs |
| PM870K01 | 186 × 180 × 55 | 1.22 | High-performance CPU for large, data-intensive processes |
| PM863K01 | 186 × 180 × 55 | 1.14 | Flexible and scalable CPU for industrial environments |
8. FAQ (Q&A Format)
Q1: What role does the PM891K02 play in automation systems?
A1: It functions as the main CPU in the AC 800M series, handling process control logic, data communication, and real-time system operations.
Q2: Can the PM891K02 be used in a redundant control setup?
A2: Yes, it supports CPU redundancy to ensure continuous operation and minimize downtime.
Q3: What memory capacity does the PM891K02 have?
A3: It includes 512 MB of RAM and 256 MB of Flash memory for large applications.
Q4: Which communication protocols are supported?
A4: Supports TCP/IP, MODBUS, OPC, PROFIBUS, ControlNet, and other industrial standards.
Q5: What is the operating temperature range for this module?
A5: It operates reliably between -25 °C and +70 °C.
Q6: How is the PM891K02 installed?
A6: The unit is mounted via DIN rail, making installation in control cabinets straightforward.
Q7: Does this module include diagnostic tools?
A7: Yes, it features built-in LEDs and diagnostic capabilities for fault detection.
Q8: What is the weight of the PM891K02?
A8: The module weighs approximately 1.21 kg.
Q9: Can the PM891K02 communicate with field devices?
A9: Yes, it supports multiple industrial communication protocols to connect with various field devices.
Q10: Which industries benefit most from using the PM891K02?
A10: It is suited for oil & gas, power generation, chemical plants, water treatment, mining, and heavy manufacturing industries.