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- ABB
- PM866AK01
- Processor Unit AC 800M Controllers CPU Module
- Sweden
- 186 mm × 119 mm × 135 mm
- 1.1kg
- 3BSE076939R1
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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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 PM866AK01 (3BSE076939R1)
The PM866AK01 is a high‑performance CPU module in the AC 800M distributed control system lineup. Operating at 133 MHz and equipped with 64 MB memory, it offers rapid boolean execution (~0.09 ms per 1,000 operations) and supports robust automation logic. Supplied as a complete kit, it includes CPU core, base plate, terminators, backup battery, and is ready for redundancy support—making it a solid choice for demanding industrial environments.
Product Specifications (Parameters)
| Parameter | Details |
|---|---|
| Product Model | PM866AK01 (3BSE076939R1) |
| Series | AC 800M |
| Brand | ABB |
| Processor Type | MPC866 (PowerPC) |
| Clock Frequency | 133 MHz |
| Execution Performance | ~0.09 ms per 1,000 boolean operations |
| Total Memory | 64 MB |
| Available RAM | ~51.4 MB |
| Flash PROM (Firmware) | 4 MB |
| Included Kit Components | CPU, Baseplate (TP830), CEX terminators, backup battery |
| Redundancy Support | Supported—kit ready |
| Power Supply | 24 V DC (19.2–30 V DC), redundant input status supported |
| Power Consumption | Typical: 210 mA; Max: 360 mA (5.1 W / 8.6 W max) |
| Clock Sync (CNCP protocol) | 1 ms between controllers |
| Ethernet Ports | 2 × RJ‑45 (10 Mbit/s) |
| Serial Interfaces | 2 × RS-232C via RJ‑45 (one isolated) |
| I/O Capacity (Modulebus) | Up to 96 modules (single), 84 (redundant) |
| Applications/Controller | 32 applications, each with up to 64 programs |
| Tasks/Cycle Options | 32 tasks; cycle time down to 1 ms per application |
| Event Queue (OPC) | Up to 3,000 events; 36–86 evts/s, 113–143 msgs/s |
| Dimensions (H × W × D) | 186 mm × 119 mm × 135 mm |
| Weight (including base) | ~1.1–1.2 kg |
| Operating Temperature | +5 °C to +55 °C |
| Storage Temperature | –40 °C to +70 °C |
| Protection Class | IP20 |
| Certifications | CE, UL, marine (DNV-GL, ABS, BV), hazardous area Zone 2 |
| Environmental Standards | Pollution degree 2, G3 corrosion protection, <55 dB noise |
Product Introduction
This CPU module serves as a powerful and reliable core for the ABB AC 800M automation system. With a swift processor, ample memory, and built-in redundancy readiness (without extra purchases), it’s engineered for systems where loss of control is not an option. Rugged, modular, and certified for hazardous environments, it’s right at home in process plants, utilities, marine systems, and critical infrastructure.
Product Applications
Ideal for environments requiring high reliability and performance, such as:
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Continuous‑process industries: Oil & gas, chemical, petrochemical
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Power generation and distribution
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Critical water and wastewater treatment
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Maritime automation (due to marine certifications)
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Hazardous‑area manufacturing (Zone 2)
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Large‑scale factory automation and packaging lines
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Any system needing failover capability and fast logic execution
Product Advantages
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Redundancy-ready—saves cost and simplifies setup
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Fast boolean processing (~0.09 ms per 1,000 ops)
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Large memory and multitasking capacity
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Dual Ethernet and serial ports for flexible networking
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Kit includes base plate and backup battery out of the box
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Rugged, certified across safety, marine, and industrial standards
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Compact DIN-rail form and modular expansion via CEX bus
Related Models (Same Series or Compatible)
| Model | Description | Memory | Redundancy | Communication Ports | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| PM862K02 | Mid-tier CPU (32 MB RAM, redundancy ready) | 32 MB | Yes | Ethernet, serial | 186 × 119 × 135 | ~1.2 |
| PM863K01 | Higher performance (64 MB RAM, no redundancy kit) | 64 MB | No | Ethernet, serial | 186 × 119 × 135 | ~1.2 |
| PM863K02 | Same but with redundancy kit included | 64 MB | Yes | Ethernet, serial | 186 × 119 × 135 | ~1.2 |
| PM866AK02 | Upgrade with redundancy kit and 64 MB RAM | 64 MB | Yes | Ethernet, serial | 186 × 119 × 135 | ~1.2 |
| PM891K01 | Top-tier CPU, 256 MB RAM, high-speed execution | 256 MB | No | Ethernet, control network | 186 × 174 × 94 | ~1.6 |
Popular ABB Models (Different Series)
| Model | Description | System | Memory | Communication Ports | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| AC500-PM592 | PLC CPU for general automation | AC500 | 8 MB | Ethernet, RS 485, CAN | 142 × 100 × 75 | ~0.8 |
| AC500-PM582 | Compact mid-level PLC CPU | AC500 | 4 MB | RS‑232, Ethernet | 142 × 100 × 75 | ~0.76 |
| CI853K01 | PROFIBUS communication interface for AC 800M | AC 800M | – | PROFIBUS, Ethernet | 125 × 45 × 98 | ~0.55 |
| CI862K01 | Modbus TCP communication interface | 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 – PM866AK01
Q1: What key advantage does PM866AK01 offer?
A1: It delivers fast processing, full redundancy readiness, and large memory in one kit, reducing system complexity and cost.
Q2: Does it include hardware for redundancy setup?
A2: Yes—base plate, terminators, and battery are included for seamless backup configurations.
Q3: How quick is its logic processing?
A3: Roughly 0.09 ms per 1,000 boolean operations—very responsive for real-time control.
Q4: What memory is available for users?
A4: Of the 64 MB total, around 51.4 MB is reserved for application use.
Q5: Can it handle heavy I/O expansion?
A5: Yes—up to 96 I/O modules in single CPU mode or 84 in redundant setups.
Q6: What environmental certifications does it have?
A6: Certified for Zone 2 hazardous areas, marine use (DNV-GL, ABS, BV), and industrial standards.
Q7: Is it easy to install?
A7: Very—uses a slide & lock mechanism for DIN-rail mounting.
Q8: Does it maintain time accurately?
A8: Yes—real-time clock sync between CPUs is within 1 ms via CNCP.
Q9: What’s the power draw?
A9: Typically 210 mA, up to 360 mA, for about 5–8.6 W.
Q10: Suitable for harsh temperature ranges?
A10: Yes—operates from +5 °C to +55 °C, stores from –40 °C to +70 °C.
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.