ABB PM891K01 CPU Module | 3BSE053241R1 Processor Unit
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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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