Product Details
Overview
The ABB PM891K02 3BSE053242R1 is a dual-processor redundant unit designed for high-reliability AC 800M control systems. Each processor operates at 450 MHz with 256 MB RAM, providing robust performance for complex process control tasks. The kit includes two PM891K01 CPUs and all necessary link cables for redundancy but does not include software licenses or the BC810K02 required for hot replacement.
Package Contents
• 2 × PM891K01 Processor Units
• 1 × TK850V007 CEX-bus Extension Cable
• 1 × TK855 RCPU Data Link Cable
• 1 × TK856 RCPU Control Link Cable
• No software license included
Important Note
The BC810K02 module is not included in this kit. It is required separately if hot replacement functionality is needed.
Technical Specifications
• Processor: Dual PM891K01, 450 MHz
• Memory: 256 MB RAM per CPU
• Redundancy: Full dual-CPU hot-standby capable (with BC810K02 for hot replacement)
• Power Supply: 24 V DC nominal
• Communication: CEX-bus and RCPU data/control links
• Dimensions: 94 mm (D) × 186 mm (H) × 174 mm (W)
• Weight: 4 kg
• RoHS Status: Compliant with EU Directive 2011/65/EU
• WEEE Category: 5, Small Equipment
Applications
• High-reliability AC 800M control systems
• Redundant central control for process automation
• Systems requiring hot-standby operation with BC810K02
FAQ
Q: Does this kit include licenses for PROFIBUS or IEC 61850?
A: No, software licenses are not included.
Q: Can this kit support hot replacement out of the box?
A: No, the BC810K02 module must be purchased separately for hot replacement functionality.
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.