ABB PM891K01 Processor Unit - 3BSE053241R1

High-performance CPU for ABB 800xA systems. This PM891K01 processor offers fast control and reliable operation for industrial automation.

Quick Overview

• Complete Package - CPU module with terminators included
• Fast Processing - 0.043 ms for 1000 operations
• Dual Ethernet - Two 10/100 Mbit/s channels
• Large Memory - 256 MB for your applications
• Wide Compatibility - Works with 800xA 6.0.2 and newer

Product Specifications

• Manufacturer & Brand: ABB
• Model & Article Number: PM891K01 (3BSE053241R1)
• Product Type: Processor Unit / CPU Module
• Power Supply: 24V DC (19.2-30V DC Range)
• Current Consumption: 660 mA typical, 750 mA maximum
• Clock Frequency: 450 MHz
• Processor: MPC8270
• Total Memory: 256 MB RAM
• Available Application Memory: ~209 MB
• Flash Storage: 16 MB for firmware
• Ethernet Ports: 2 channels, 10/100 Mbit/s
• Communication Protocol: MMS, IAC
• Cycle Time: Down to 1 ms
• Max I/O Modules: Up to 84 modules
• Operating Temperature: 0°C to +55°C
• Storage Temperature: -40°C to +70°C
• Relative Humidity: 5% to 95%, non-condensing
• Protection Class: IP20
• Certifications: CE, UL, RoHS, WEEE, Marine (ABS, BV, DNV-GL, LR)
• Dimensions (HxWxD): 186 mm x 174 mm x 94 mm
• Weight: 1.6 kg (approx. 3.5 lbs)

Package Contents

• PM891 CPU Module
• TB850, CEX-bus terminator
• TB853, RCU Control Link Terminator
• Note: Software license is NOT included

Shipping & Warranty

• Fast Global Shipping: FedEx, UPS, DHL
• Quality Assurance: Full 12-month warranty period

Expert Questions & Answers

What is the main benefit of the PM891K01 processor?

Its speed. It processes 1000 boolean operations in just 0.043 ms, ideal for fast control loops.

Can I use it with older 800xA versions?

No. It is only compatible with ABB's 800xA system version 6.0.2 and higher.

How many devices can I connect to it?

You can connect up to 12 communication modules on the CEX bus and manage up to 84 I/O modules.

Is the power supply redundant?

Yes, it has a status input for connecting a redundant power supply, increasing system reliability.

What's a common setup mistake to avoid?

Forgetting the terminators. This package includes both the TB850 and TB853, which are essential for proper bus termination.

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