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- ABB
- PM865K01 / PM865AK01
- Processor Unit High Integrity S800 I/O Modules
- Sweden
- 186 mm × 59 mm × 123 mm
- 0.69kg
- 3BSE031151R1
- Xiamen, China
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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: PM865K01 / PM865AK01 (3BSE031151R1)
The PM865K01, also designated PM865AK01, is a powerful CPU module in the AC 800M distributed control system family. Designed for high-performance environments, it features expanded memory, rapid execution, redundancy capability, and extensive protocol support. This module is engineered for industrial-grade automation where speed, reliability, and scalability are essential.
Product Specifications (Parameters)
| Parameter | Details |
|---|---|
| Product Model | PM865K01 / PM865AK01 (3BSE031151R1) |
| Series | AC 800M |
| Brand | ABB |
| Processor Type | 32-bit RISC Processor |
| RAM Memory | 64 MB |
| Flash Memory | 16 MB |
| Typical Cycle Time | < 1 ms |
| Redundancy Support | Yes (supports dual-CPU redundant configuration) |
| Communication Ports | 2 × Ethernet (RJ45), 1 × RS‑232, 1 × CI interface |
| Supported Protocols | Ethernet/IP, PROFIBUS, Modbus, ControlNet |
| Power Supply Requirement | 24 V DC (supports redundant power inputs) |
| Operating Temperature | 0 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Protection Class | IP20 |
| Mounting Method | DIN rail |
| Certifications | CE, UL, CSA, RoHS, ATEX |
| Dimensions (H × W × D) | 186 mm × 59 mm × 123 mm |
| Weight | 0.69 kg |
Product Introduction
The PM865K01 / AK01 CPU module represents a high-tier control solution within the AC 800M family. With 64 MB of RAM—double that of mid-tier models—it is designed for processing-intensive, large-scale automation tasks. It delivers near-instant response in demanding industrial settings and supports full redundancy, minimizing downtime.
Its range of communication interfaces and protocol support make it ideal for integrating with modern fieldbus networks and enterprise systems. The module’s compact form allows easy installation, while its durability ensures long-term reliability in harsh environments.
Product Applications
The PM865K01 / AK01 is most effective in:
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Large-scale Power Plants (thermal, hydro, combined cycle)
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Oil & Gas Processing, Refinery, and Pipeline Automation
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Complex Chemical and Petrochemical Plants
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Pharmaceutical Manufacturing with High Throughput
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Mining and Metallurgical Automation Systems
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Pulp & Paper Continuous Control Systems
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Advanced Food & Beverage Processing Lines
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Critical Water Treatment and Utility Systems
Product Advantages
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High RAM Capacity (64 MB): Supports comprehensive control logic and large I/O structures.
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Redundancy Architecture: Enables standby CPUs to kick in seamlessly, reducing system risk.
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Fast Processing (< 1 ms): Guarantees prompt response for real-time control.
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Extensive Protocol Support: Seamlessly communicates across Ethernet/IP, PROFIBUS, Modbus, and ControlNet.
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Modular Integration: Compatible with I/O modules, CI interfaces, and legacy hardware.
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Industrial Ruggedness: Certified for operation in demanding environmental conditions and hazardous areas.
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Compact Installation: Efficient DIN rail fit saves space in crowded control panels.
Brand and Series
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Brand: ABB
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Series: AC 800M Distributed Control System
Related Models (Same Series or Compatible)
| Model | Description | RAM Memory | Redundancy | Communication Interfaces | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| PM864AK01 | Mid-tier CPU with 32 MB RAM | 32 MB | Yes | Ethernet, CI, RS‑232 | 186 × 59 × 123 | 0.67 |
| PM866AK02 | Higher-memory CPU (128 MB) | 128 MB | Yes | Ethernet, Modbus, CI | 186 × 59 × 123 | 0.71 |
| PM863K01 | Basic 32 MB CPU | 32 MB | Yes | Ethernet, CI, RS‑232 | 186 × 59 × 123 | 0.66 |
| PM891K01 | Top-tier performance CPU with large RAM | 256 MB | Yes | Ethernet, ControlNet | 186 × 59 × 123 | 0.73 |
| PM862K02 | Entry-level model with 32 MB RAM | 32 MB | Yes | Ethernet, RS‑232 | 186 × 59 × 123 | 0.66 |
Popular ABB Models (Different Series)
| Model | Description | System | RAM Memory | Communication Ports | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| AC500-PM592 | High-end PLC CPU for ABB’s AC500 series | AC500 | 8 MB | Ethernet, RS485, CAN | 142 × 100 × 75 | 0.80 |
| AC500-PM582 | Compact CPU for mid-level automation | AC500 | 4 MB | RS232, Ethernet | 142 × 100 × 75 | 0.76 |
| CI853K01 | PROFIBUS DP interface module | AC 800M | — | PROFIBUS, Ethernet | 125 × 45 × 98 | 0.55 |
| CI862K01 | Modbus TCP interface module | AC 800M | — | Modbus, Ethernet | 125 × 45 × 98 | 0.58 |
| CP600-Pro | High-resolution industrial HMI panel | HMI | — | Ethernet, USB, Serial | 258 × 198 × 44 | 0.85 |
FAQ – PM865K01 / PM865AK01
Q1: Why choose PM865K01 over mid-tier CPU modules?
A1: It offers double the RAM (64 MB), better suited for large-scale logic and extensive I/O systems.
Q2: Can the CPU operate in a redundant pair setup?
A2: Yes, it supports dual-CPU redundancy to ensure continuous operations without interruption.
Q3: What makes it suitable for real-time control?
A3: Its cycle time is under 1 ms, enabling prompt and precise responses in time-critical applications.
Q4: Is it compatible with common industrial protocols?
A4: Yes, it supports Ethernet/IP, PROFIBUS, Modbus, and ControlNet for widespread system connectivity.
Q5: Can I swap out older CPU models for this one?
A5: Yes, it is backward compatible within the AC 800M series and works with existing CI and I/O modules.
Q6: What environmental range can the CPU withstand?
A6: It reliably runs from 0 °C to +55 °C and is certified for operation in hazardous and rugged industrial settings.
Q7: Does it require external communication modules?
A7: No, it includes built-in Ethernet and serial ports, though expansion is available via CI modules.
Q8: What is the module’s size and mounting method?
A8: It measures 186 mm × 59 mm × 123 mm and mounts easily to DIN rail systems.
Q9: Is the PM865AK01 significantly heavier than other modules?
A9: No, at approximately 0.69 kg, it’s in line with the standard weight across the series.
Q10: What power supply configurations are supported?
A10: It uses 24 V DC and can accept redundant power inputs for enhanced reliability.
Authenticity guarantee
All product specifications are original and authentic imported products. We have an annual sales volume of 300 million yuan, and we only produce original and authentic products. All customers who cooperate with us directly online can enjoy low discounts.
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We have a complete range of product models, 80% of conventional models are in stock, and we have established channels in Asia, Africa, North America, South America, and Europe, effectively shortening the order processing time and satisfying customers in a timely manner.
Technical Team
Fast delivery. Spot goods can be shipped on the same day, and the delivery time transaction is 20% faster than that of peers on average, with a delivery time accuracy rate of 99%.
Thoughtful after-sales service
24-hour after-sales service guarantee team, professional and standardized management service system.