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Product Overview

The Foxboro P0917YZ (Field Control Processor 270) serves as the high-speed processing engine for the Foxboro I/A Series and Evo Distributed Control Systems (DCS). This 100% Brand New original unit utilizes a high-performance AMD Elan 520 microprocessor to execute complex regulatory control, logic, timing, and sequential strategies. By integrating a dedicated CommControl™ ASIC with an 80186 coprocessor, the P0917YZ offloads I/O communication tasks, ensuring that primary control loops maintain deterministic execution even during heavy network traffic. This module bridges field-level data from Fieldbus Modules (FBMs) to the control network via 100 Mbps fiber optic Ethernet, providing a robust foundation for petrochemical, power, and oil & gas automation.

Technical Specifications

Parameter Technical Data
Main Processor AMD Elan 520 (100 MHz)
I/O Coprocessor CommControl™ with Intel 80186
SDRAM (Volatile) 16 MB with ECC (Error Detection/Correction)
Flash Memory 32 MB (Non-volatile storage)
Block Execution Rate 10,000 blocks per second
Max Control Blocks 4,000 blocks
Fieldbus Type HDLC (2 Mbps for 200 Series FBMs)
FBM Capacity Up to 128 (with FEM100); 32 (Standard)
Power Consumption 8.5 W Maximum
Operating Temp 0°C to +60°C (Standard Industrial)
Weight 0.6 kg (Net) / 2.0 kg (Shipping)

Engineering Advantages

  • Advanced Error Correction (ECC): The P0917YZ features ECC-protected SDRAM. The system automatically detects and corrects single-bit errors in real-time. This prevents memory corruption from causing unpredictable processor resets or dangerous control output fluctuations in high-radiation or electrically noisy environments.

  • Dual-Processor Fault Tolerance: You can configure two P0917YZ modules in a redundant pair. If the primary processor encounters a hardware fault, the synchronized secondary unit assumes control in microseconds. This "hot-standby" transition ensures zero interruption to critical process loops and maintains safety integrity.

  • High-Efficiency Block Processing: The processor executes up to 10,000 control blocks per second. This high throughput allows for ultra-fast PID loop updates and complex logic interlocking, making it ideal for high-speed machinery control and rapid-response safety quenching systems.

  • Robust Fiber Optic Isolation: The 100 Mbps Ethernet connection utilizes fiber optic media. This provides total galvanic isolation between the FCP270 and the control network, effectively eliminating ground loop risks and ensuring immunity to electromagnetic interference (EMI) from high-voltage switchgear.

FAQs

  • Can the P0917YZ support older 100 Series FBMs?

    Yes. While optimized for 200 Series FBMs at 2 Mbps, the P0917YZ maintains backward compatibility with 100 Series FBMs at a 268 Kbps transmission rate, allowing for cost-effective phased system migrations.

  • What is the significance of the 32 MB Flash memory?

    The flash memory stores the entire control configuration and database. In the event of a total power loss, the P0917YZ reloads its operating system and control strategies directly from flash upon reboot, ensuring a rapid and autonomous recovery without operator intervention.

  • How does the CommControl™ ASIC improve performance?

    By dedicatedly managing I/O communications, the ASIC frees the AMD Elan 520 to focus exclusively on control block execution. This dual-processor architecture prevents I/O-intensive tasks from slowing down critical regulatory control timing.

What's clients say about us

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