Description
Product Introduction
The Foxboro FCP280 (Part Number P0926TC) is Schneider Electric’s advanced, high-performance Field Control Processor for EcoStruxure Foxboro DCS and legacy I/A Series platforms. Designed as the direct evolutionary upgrade to the FCP270, the FCP280 quadruples execution performance, expands memory capacity, and integrates 1 Gbps redundant Ethernet interfaces for high-speed integration into modern control network architectures.
Capable of hosting up to 128 200 Series Fieldbus Modules (FBMs), the FCP280 handles large-scale process control strategies, advanced multivariable loops, and fast sequence operations. When deployed as a fault-tolerant redundant pair, two FCP280 modules operate in tight lockstep synchronization over a dedicated tracking link, ensuring seamless, zero-bump failover in the event of a hardware or network port interruption.
Key Technical Specifications
| Parameter | Value |
| Manufacturer | Foxboro (Invensys / Schneider Electric) |
| Part Number | FCP280 / P0926TC (RoHS Equivalent: RH926TC) |
| Series | EcoStruxure Foxboro DCS / I/A Series |
| Processor Architecture | High-speed multi-core RISC processor |
| FBM Capacity | Up to 128 200 Series Fieldbus Modules (FBMs) |
| Control Network Interface | Dual 1 Gbps Redundant Ethernet (The Mesh) |
| Redundancy | Fault-Tolerant Redundant Pair Support (1:1 Lockstep) |
| Power Dissipation | ~7.5W maximum per processor module |
| Mounting | Foxboro Control Processor Baseplate (P0926KE / RH926KE or equivalent) |
| Operating Temp Range | 0°C to +60°C (+32°F to +140°F) |
Application Scenarios & The “Trench” Experience
The Trench Story
It is 04:10 AM during a high-throughput run at a plastics polymerization plant. A legacy controller in Cabinet 4 experienced CPU memory overload due to newly added interlock sequence blocks. The plant engineering team executed a scheduled hot-upgrade to an FCP280 (P0926TC) controller pair. Slotting the onto the live baseplate instantly expanded loop processing memory, reduced block scan times from 500 ms to 100 ms, and cleared processor load alarms without requiring a shutdown of the active reactor loop.
Target Application Scenarios
- High-Density Plant Control Nodes: Executes large-scale control databases across refinery units, power generation boilers, and chemical synthesis skids.
- Legacy System Modernization: Direct drop-in upgrade path for older FCP270 or ZCP270 control nodes, reusing existing 200 Series FBM baseplates and field wiring.
- High-Speed Batch & Sequence Execution: Handles complex batch logic (ISA-88) and rapid trip interlock sequences requiring sub-second loop execution speeds.
Transparency SOP: Quality Assurance & Testing
We don’t just ship boxes; we test them on actual Foxboro Control Processor test benches. Every / P0926TC module undergoes a strict 5-stage workbench validation process prior to dispatch:
- Inbound Visual & Mechanical Inspection: High-magnification check of PCB traces, backplane connector gold pins, side latching levers, and thermal dissipation pads.
- Cold Power Rail Diagnostics: Multi-point resistance checks across internal power conversion rails and 1 Gbps network physical layer (PHY) chips to rule out component shorts.
- Live Mesh Network & Bootloader Verification: Module is mounted on a live Foxboro CP baseplate and booted into System Manager to verify MAC address recognition, onboard memory integrity, and clean firmware boot sequences.
- Redundant Lockstep Sync & Failover Test: Paired with a second in a redundant baseplate configuration. We run heavy control block execution loads while disconnecting primary power and network links to confirm seamless sub-second failover and database re-synchronization.
- Anti-Static ESD Packaging: Cleared modules receive solvent contact cleaning, thorough drying, and are sealed in heavy-duty anti-static ESD shielding bags prior to custom foam packaging.

FCP280

FCP280
The Veteran’s Tech Trap Guide
- ⚠️ Do Not Confuse (1 Gbps Mesh) with FCP270 (100 Mbps Mesh)! While the physical form factor is similar, the features 1 Gbps network communication interfaces. Connecting an to an older 100 Mbps switch port requires verifying port auto-negotiation or updating network hardware to gigabit switches.
- ❗ Verify Firmware & System Software Requirements. The requires minimum system software version support (e.g., Foxboro I/A Series v8.8+ or EcoStruxure Foxboro DCS v9.x+). Attempting to deploy an in legacy I/A v8.3 environments without system software patches will prevent proper module initialization.
- ⚠️ Confirm Baseplate Compatibility (P0926KE / RH926KE). Ensure the is installed on a compatible 200 Series CP baseplate that supports high-speed controller tracking channels and redundant fieldbus routing.
- ❗ Redundant Pair Auto-Sync Logic: When inserting a replacement into a live redundant pair, ensure the primary running module exhibits a steady green active status LED. The replacement unit will automatically enter “Tracking” mode and copy the running control database.
Frequently Asked Questions (FAQ)
Q: Can I replace an existing FCP270 with an ?
A: Yes, the is designed as a direct migration path for the FCP270. It mounts in the same baseplate footprint and communicates with existing 200 Series FBMs. However, you must verify system software compatibility (I/A Series v8.8+ / EcoStruxure DCS) before upgrading.
Q: What is the exact difference between part numbers , P0926TC, and RH926TC?
A: “” is the functional model designation used in DCS software engineering, “P0926TC” is the standard Foxboro hardware part number, and “RH926TC” is Schneider Electric’s RoHS-compliant (lead-free) hardware equivalent. and RH926TC are 100% functionally and mechanically interchangeable.
Q: Can I hot-swap an module while the system is running?
A: Yes, in a fault-tolerant redundant pair setup, you can hot-swap a failed module without stopping control execution or interrupting process loops on the active partner.
Q: What warranty covers these pre-tested modules?
A: Every ( / RH926TC) controller sold includes a full 12-Month Functional Warranty. If the hardware experiences failure under normal operating parameters within 365 days, we provide an immediate unit replacement or full credit.




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