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- ABB
- PM866AK02
- Redundant Processor Unit Module AC 800M Controllers
- Sweden
- 186 mm × 119 mm × 135 mm
- 2.7kg
- 3BSE081637R1
- Xiamen, China
- New & In Stock
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Global Logistics
We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
Brand new and original
Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview: ABB PM866AK02 (3BSE081637R1)
The PM866AK02 is a high-performance, redundant-capable CPU module from the AC 800M controller series. Delivered as a complete kit, it includes two CPU units, baseplates, terminators, expansion cables, and backup batteries. Designed for mission-critical environments, it ensures uninterrupted operation through seamless failover, fast logic execution, and robust hardware compatibility.
Product Specifications (Parameters)
| Parameter | Details |
|---|---|
| Product Model | PM866AK02 (3BSE081637R1) |
| Series | AC 800M |
| Brand | ABB |
| Processor Type | MPC866 (PowerPC architecture) |
| Clock Frequency | 133 MHz |
| Performance | ~0.09 ms per 1,000 boolean operations |
| Total Memory | 64 MB |
| RAM Available | ~51.4 MB for application use |
| Firmware Storage | Flash memory included (4 MB PROM) |
| Redundancy Kit Components | 2 CPUs, 2 baseplates, terminators, CEX-bus extension cable, RCU link, backup batteries |
| Redundancy Support | Fully supported with built-in switching logic (max 10 ms switchover) |
| Power Supply | 24 V DC (19.2–30 V), redundant status input supported |
| Power Consumption | 210 mA typical / 360 mA max (~5.1 W / 8.6 W) |
| I/O Expansion Capacity | Up to 96 modules (single CPU), 84 modules (redundant setup) |
| Module Bus Scan Rate | 0–100 ms depending on I/O load |
| Ethernet Ports | 2 × RJ45 (10 Mbit/s), fully redundant |
| Serial Interfaces | 2 × RS-232C (one general, one for configuration tool) |
| Clock Sync | 1 ms between redundant controllers via CNCP protocol |
| Event Queue (OPC) | Up to 3,000 events; 36–86 events/s; 113–143 data messages/s |
| Dimensions (H × W × D) | 186 mm × 119 mm × 135 mm |
| Weight (with base) | Approx. 2.7 kg |
| Operating Temperature | +5 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Protection Class | IP20 |
| Certifications | CE, UL, hazardous location Zone 2 (ATEX/cULus), ISA Secure, marine (DNV‑GL, ABS, BV, LR), IEC standards |
Product Introduction
The PM866AK02 CPU module represents a premium redundant controller solution within the AC 800M family. Clocked at 133 MHz with 64 MB of memory, it achieves logic execution in under 0.1 ms per 1,000 operations. Bundled with all necessary components for redundancy—including baseplates, cables, and battery backup—it streamlines deployment of dual-CPU fault-tolerant systems. Certified for marine and hazardous environments, its modular slide-lock form factor supports easy integration and future expansion.
Product Applications
The PM866AK02 suits environments where uptime and safety are paramount, such as:
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Continuous process industries: oil & gas, petrochemicals, chemicals
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Power generation control systems
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Water/wastewater and utility infrastructure
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Marine vessels and offshore platforms
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Hazardous-area installations (Zone 2)
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Large-scale automation with high I/O demands
Product Advantages
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Redundancy kit included—no additional procurement required
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Ultra-fast logic execution for real-time control
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High memory capacity supports large-scale programs
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Flexible I/O expansion and module bus capabilities
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Dual Ethernet & serial ports for robust connectivity
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Certified for safety, marine, and industrial standards
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Compact DIN-rail design simplifies installation and upgrades
Related Models (Same Series or Compatible)
| Model | Description | Memory | Redundancy | Clock Freq. | Performance | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| PM867K02 | Next-gen redundant CPU with 256 MB memory | 256 MB | Yes | 450 MHz | ~0.043 ms | 186 × 174 × 94 | ~1.6 |
| PM866AK01 | Same CPU without redundancy kit | 64 MB | No | 133 MHz | ~0.09 ms | 186 × 119 × 135 | ~1.2 |
| PM865K02 | Mid-tier redundant CPU with 32 MB memory | 32 MB | Yes | ~? | ~0.17 ms | 186 × 59 × 123 | ~0.7 |
| PM863K02 | Entry mid-tier redundant CPU (32 MB) | 32 MB | Yes | 96 MHz | ~0.17 ms | 186 × 59 × 123 | ~0.7 |
| PM891K02 | High-memory flagship redundant CPU (256 MB) | 256 MB | Yes | 450 MHz | ~0.043 ms | 186 × 174 × 94 | ~1.6 |
Popular ABB Models (Different Series)
| Model | Description | Series | Memory | Comm Ports | Size (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| AC500‑PM592 | High-end PLC CPU for modular controls | AC500 | 8 MB | Ethernet, RS‑485, CAN | 142 × 100 × 75 | ~0.8 |
| AC500‑PM582 | Compact mid-level CPU for scalable tasks | AC500 | 4 MB | RS‑232, Ethernet | 142 × 100 × 75 | ~0.76 |
| CI853K01 | PROFIBUS interface for AC 800M | AC 800M | – | PROFIBUS, Ethernet | 125 × 45 × 98 | ~0.55 |
| CI862K01 | Modbus TCP interface for AC 800M | AC 800M | – | Modbus, Ethernet | 125 × 45 × 98 | ~0.58 |
| CP600‑Pro | Operator HMI panel with high resolution | HMI | – | Ethernet, USB, Serial | 258 × 198 × 44 | ~0.85 |
FAQ – PM866AK02
Q1: What sets the PM866AK02 apart?
A1: It includes a full redundancy kit (two CPU units plus accessories) for seamless failover and system continuity.
Q2: How fast does it execute logic?
A2: Approximately 0.09 ms for 1,000 boolean operations, suitable for fast, real-time control.
Q3: What memory does it have?
A3: 64 MB total, with ~51.4 MB available for the user’s applications.
Q4: What’s the redundancy switchover time?
A4: Switch over occurs within 10 ms in redundant configurations.
Q5: How many I/O modules can it support?
A5: Up to 96 with a single CPU, and 84 when operating in redundant mode.
Q6: Is a battery included?
A6: Yes—it comes with a built-in lithium battery for memory backup.
Q7: What kind of network ports are available?
A7: Two redundant Ethernet ports and two RS‑232C serial ports (one isolated) are included.
Q8: What are its environmental ratings?
A8: Operates from +5 °C to +55 °C, stores at –40 °C to +70 °C, IP20 protection, certified for hazardous areas and marine use.
Q9: How is it installed?
A9: It mounts to DIN rail using a slide-and-lock baseplate for easy installation and secure fit.
Q10: What certifications does it carry?
A10: CE, UL, Zone 2 hazardous area, ISA Secure, and marine certifications like DNV‑GL and ABS.
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.
Free warehouse
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.