Product Details
Description
The PM861AK02 3BSE018160R1 offers an advanced control solution for critical applications with no tolerance for downtime. With a 32-bit RISC processor and 16 MB of RAM, it supports complex control logic and high-density data processing. The redundant kit includes the CPU module and baseplate for dual-processor synchronization, ensuring bumpless transfer in case of hardware failure. It features integrated Ethernet ports for redundant communication and a dedicated ModuleBus for managing local S800 I/O clusters. Built for long-term stability, it is ideal for complex distributed control systems (DCS).
Specifications
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Manufacturer: ABB
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Country of Origin: Sweden
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Model Number: PM861AK02
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Order Number: 3BSE018160R1
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Product Type: Redundant Processor Unit Kit
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Microprocessor: 32-bit RISC
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Onboard RAM: 16 MB
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Flash Memory: 4 MB
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Dimensions: 186 mm x 119 mm x 135 mm
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Weight: 1.35 kg
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Interfaces: 2x RJ45 Ethernet, 2x RS-232, 1x ModuleBus, Redundancy Link
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Nominal Voltage: 24 V DC
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Mounting: 35mm Standard DIN Rail
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Protection Class: IP20
Features
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Bumpless Redundancy: Supports fully synchronized processor pairs, enabling instantaneous switchover to the standby unit without affecting process variables or control logic.
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Expanded Memory Performance: Equipped with 16 MB of RAM to accommodate large-scale application code and extensive historical data buffering.
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Fault-Tolerant Communication: Features dual Ethernet ports to support redundant network paths, ensuring consistent connectivity with HMI and peer controllers.
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Synchronized I/O Management: Utilizes the ModuleBus interface for high-speed, deterministic signal acquisition from local S800 I/O hardware clusters.
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Advanced System Diagnostics: Includes comprehensive internal monitoring and LED status indicators to identify and isolate faults within the redundant pair.
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Ruggedized Industrial Housing: Engineered to maintain peak performance under conditions of high vibration and electromagnetic interference common in power and process industries.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.