Product Description
The ABB PM866AK02 Processor Unit (3BSE081637R1) is a redundant central processing module built for the AC 800M control system. It includes two PM866A CPUs, each featuring a 133 MHz MPC866 processor and 64 MB RAM, providing high performance for demanding automation tasks. The unit is designed for redundant operation, ensuring continuous process control even in case of hardware failure.
Moreover, this model comes fully certified with CE, RoHS, WEEE, and ISA Secure compliance, making it ideal for mission-critical industrial applications where safety, reliability, and uptime are essential.
| Specification | Details |
|---|---|
| Product ID | 3BSE081637R1 |
| Processor Type | MPC866 @ 133 MHz |
| RAM Memory | 64 MB (51.389 MB usable) |
| Flash Memory | Integrated |
| Backup Battery | Lithium 3.6 V (4943013-6) |
| Redundancy | Full – CPU, I/O, CEX-Bus, Ethernet |
| Performance | 0.09 ms for 1000 Boolean operations |
| Communication | 2 × Ethernet (RJ45), 2 × RS-232C |
| Power Supply | 24 V DC (19.2–30 V DC) |
| Dimensions (W × H × D) | 119 × 186 × 135 mm |
| Weight (Redundant Unit) | 2.7 kg |
Functional Highlights
The PM866AK02 redundant processor enhances system availability and control reliability. Its dual-CPU configuration allows uninterrupted operation during maintenance or fault conditions.
Key Advantages:
- Redundant Ethernet communication ensures seamless data transfer and synchronization.
- 1 ms clock synchronization between AC 800M controllers through CNCP protocol.
- Supports up to 96 I/O modules (single CPU) or 84 I/O modules (redundant mode).
- 12 communication modules on CEX-Bus for flexible configuration.
- Low power consumption with 5.1 W typical dissipation, promoting energy efficiency.
In addition, the built-in battery backup protects memory data, while full EMC compliance ensures stable operation in harsh environments.
Technical Data
| Parameter | Specification |
|---|---|
| Power Supply | 24 V DC (19.2–30 V DC) |
| Current Consumption | Typ. 210 mA, Max 360 mA |
| Power Dissipation | 5.1–8.6 W |
| Operating Temp. | +5 °C to +55 °C |
| Storage Temp. | –40 °C to +70 °C |
| Relative Humidity | 5%–95% (non-condensing) |
| Vibration Resistance | 0.0375 mm @ 10–50 Hz, 0.5 g @ 50–150 Hz |
| Protection Class | IP20 (EN 60529) |
| Certifications | CE, RoHS, UL, DNV-GL, ABS, BV, LR, ISA Secure |
| Package Includes | 2× PM866A CPUs, 2× TP830 baseplates, 2× TB807 terminators, 1× TK850 CEX cable, 1× TK851 RCPU-Link cable |
Therefore, the PM866AK02 provides a robust platform for redundant process control, minimizing downtime and maintaining production continuity.
System Integration
The PM866AK02 Redundant Processor Unit integrates seamlessly within the ABB 800xA System and Advant AC 800M architecture. It supports complex process control loops, safety logic, and high-speed communication across industrial networks.
Typical Integration Scenarios:
- Power generation plants requiring high availability control.
- Oil & gas process automation, including pipeline monitoring and refining operations.
- Marine and offshore systems, certified by DNV-GL, ABS, BV, and LR.
- Pharmaceutical and food industries, demanding continuous process stability.
Furthermore, its modular design allows engineers to expand and customize systems efficiently without major downtime.
Details
| Weight | 2.7 kg |
|---|
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