1771-DSX2 PLC-5 Information Processor Main CPU Module | Allen-Bradley

Product Overview

The Allen-Bradley 1771-DSX2 functions as a high-capacity Information Processor and Main CPU Module within the legendary PLC-5 Universal I/O platform. This module executes complex data-handling tasks and advanced computational algorithms that exceed the capabilities of standard logic controllers. We offer this unit as 100% Brand New and Original, providing a vital solution for plants requiring high-speed data throughput and legacy system stability without the risk of using refurbished hardware.

Technical Specifications

Engineering Advantages

• Advanced Data Processing: The 1771-DSX2 manages intensive data manipulation and mathematical calculations independently of the primary logic scan. This offloading technique prevents scan-time degradation in large-scale applications, ensuring consistent machine response times even during heavy data logging.

• Seamless Rack Integration: The module slides directly into any standard 1771 Universal I/O chassis. It utilizes the existing backplane architecture, allowing engineers to upgrade processing power without re-wiring field I/O or replacing the physical enclosure.

• Robust Hardware Architecture: Despite its discontinued status by the original manufacturer, the 1771-DSX2 remains a powerhouse for legacy systems. The internal circuitry handles high-frequency electrical noise typical of industrial environments, maintaining data integrity across the PLC-5 bus.

• Precision Diagnostic Feedback: Front-facing LED indicators provide real-time status updates on processor health and communication activity. This feature allows maintenance teams to isolate CPU faults from backplane issues instantly, reducing the Mean Time to Repair (MTTR).

FAQs

• How does the 1771-DSX2 differ from a standard PLC-5 CPU?

  While a standard CPU focuses on ladder logic and discrete I/O control, the 1771-DSX2 acts as an "Information Processor." It specializes in high-level data sorting, complex floating-point math, and communication management, effectively acting as a co-processor to enhance overall system intelligence.

• Can I install this module in a remote I/O rack?

  Yes, the 1771-DSX2 resides in the 1771 chassis. However, you must verify the backplane power budget. Since this module draws significant current (contributing to its 1.63 lb weight due to robust heatsinking), ensure your 1771 power supply handles the additional load.

• Is this module compatible with modern RSLogix 5 software?

  Yes, the 1771-DSX2 integrates with standard Rockwell Automation programming environments. You may need specific configuration files or profiles depending on your software version to unlock the advanced information processing registers.

• What precautions should I take when replacing an existing 1771-DSX2?

  Before removal, back up all volatile memory and parameters. Ensure you seat the Brand New module firmly into the 1771 backplane connectors to establish a solid electrical link. The weight of the unit requires careful alignment with the chassis guides to prevent pin damage.