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Product Overview

The Foxboro P0917YZ (Field Control Processor 270) functions as a high-performance distributed control engine for the Foxboro I/A Series and EcoStruxure Foxboro DCS. This 100% Brand New original FCP270 module executes complex regulatory, logic, timing, and sequential control strategies. It bridges the gap between the high-speed control network and field-mounted I/O modules. By utilizing advanced 100 Mbps fiber optic Ethernet, the P0917YZ ensures rapid data throughput and deterministic control for critical process industries such as chemical refining, power generation, and oil and gas processing.

Technical Specifications

Parameter Technical Details
Model FCP270
Part Number P0917YZ
Memory Capacity 16 MB SDRAM / 32 MB Flash
Communication Speed 100 Mbps (Fiber Optic Ethernet)
Maximum FBM Support Up to 32 Fieldbus Modules
Input Voltage 24 VDC (Typical, Redundant Support)
Power Consumption 8.5 W Maximum
Operating Temperature 0°C to +60°C (+32°F to +140°F)
Dimensions (HxWxD) 11.4 cm x 5.15 cm x 14.7 cm
Weight 0.6 kg (Net) / 1.5 kg (Shipping)
Manufacturer Foxboro by Schneider Electric

Engineering Advantages

  • Enhanced Fault Tolerance: The P0917YZ supports high-availability configurations. Installing two modules in a fault-tolerant baseplate creates a synchronized pair. If the primary processor detects a hardware failure, the secondary module assumes control in microseconds, preventing process upsets or safety shutdowns.

  • Deterministic Control Execution: High-speed internal SDRAM allows the processor to execute intensive logic and PID loops with high repeatability. This determinism is critical for high-speed applications like turbine overspeed protection or rapid chemical reaction quenching.

  • Galvanic Isolation & Noise Immunity: The fiber optic control network interface provides total electrical isolation between the processor and the rest of the DCS. This eliminates ground loop issues and protects the CPU from electromagnetic interference (EMI) prevalent in heavy industrial environments.

  • Scalable Architecture: A single P0917YZ manages up to 32 Fieldbus Modules (FBMs). This high density reduces the physical footprint of the control system and simplifies the integration of remote I/O distributed across large plant sites.

FAQs

  • Is the P0917YZ compatible with older I/A Series baseplates?

    The FCP270 requires specific FCP270 baseplates (P0926CP or similar). It cannot plug directly into older FCP240 or FCP100 slots without the appropriate hardware migration kit.

  • How does the processor handle a total power loss?

    The module stores the control database in its 32 MB onboard flash memory. Upon power restoration, the P0917YZ automatically reloads the configuration and resumes its last commanded state, minimizing recovery time.

  • What is the benefit of the redundant voltage input?

    The module accepts power from two independent 24 VDC sources. This ensures that a failure in a single power supply unit (PSU) does not crash the control processor, maintaining 100% DCS availability.

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