Description
The Foxboro P0926GH is a high-performance Field Control Processor 270 (FCP270), a fundamental component of the Foxboro Evo™ and I/A Series® Distributed Control Systems (DCS). It serves as the primary controller responsible for executing process control strategies and managing communication with I/O modules.
Product Parameters (Datasheet)
- Model Number: P0926GH
- Module Type: FCP270 (Field Control Processor)
- Part Number: P0926GH
- Communication: 100 Mbps Ethernet (The Mesh)
- Processor Architecture: High-speed RISC-based processor
- Memory: 128 MB SDRAM / 128 MB Flash
- Redundancy: Supports dual-redundant pairing (Fault-tolerant)
- Max I/O Modules: Supports up to 128 Fieldbus Modules (FBMs)
- Operating Temperature: 0°C to +60°C (32°F to 140°F)
- Input Voltage: 24V DC (derived from the baseplate)
FOXBORO P0926GH
FOXBORO P0926GH
FOXBORO P0926GH
Country of Origin
This processor is engineered and manufactured by Schneider Electric (formerly Foxboro) in the USA, adhering to strict global standards for process automation reliability.
Application Fields
The P0926GH is deployed in complex industrial environments requiring deterministic control:
- Chemical & Specialty Plants: Managing high-speed reaction logic and safety interlocks.
- Oil & Gas Refineries: Coordinating distillation columns and large-scale compression trains.
- Power Generation: Controlling boiler cycles and cooling water systems.
- Pharmaceuticals: Executing precise batch control according to FDA regulations.
- Water & Wastewater: Managing decentralized pumping stations and treatment logic.
Product Usage Instructions
- Installation: The P0926GH must be plugged into a dedicated FCP270 baseplate (e.g., P0926KE). Ensure the module is firmly seated and the locking mechanisms are engaged.
- Redundancy Configuration: For high-availability applications, install two P0926GH modules in a redundant baseplate. The hardware automatically synchronizes the database between the “Primary” and “Shadow” units.
- Networking: Connect the 100 Mbps “The Mesh” Ethernet cables to the baseplate ports. This allows the FCP270 to communicate with the workstation (Control Core Services) and other controllers.
- Configuration: Use the Foxboro Control Software or I/A Series Configuration Component (IACC) to download the control database (compounds and blocks) to the processor.
- Status Monitoring: Observe the front-panel LEDs. A green “Lettering” display indicates the processor status (e.g., “A” for Active, “S” for Shadow).
Product Technical Description
Technically, the P0926GH is a hardened industrial computer that eliminates the need for fans or moving parts. It utilizes a dedicated operating system to ensure that control loops (PID, logic, and calculation blocks) are executed with deterministic timing. One of its standout features is its ability to interface with both legacy 2 Mbps Fieldbus and modern 100 Mbps HDLC I/O, allowing plants to modernize their control system in stages without replacing all field wiring. It provides advanced diagnostics to detect internal hardware failures, communication errors, or environmental overheating.
Q&A (Common Questions)
Q: Can I replace a P0917CP (FCP280) with a P0926GH? A: No. While they are related, the FCP280 is a newer generation. The P0926GH (FCP270) has specific baseplate and firmware requirements that differ from the newer 280 series.
Q: What does a red “FAIL” LED indicate? A: This typically signifies a fatal hardware error or a failure to load the boot image from Flash memory. Try a power cycle; if the error persists, the module may require repair or replacement.
Q: Does the P0926GH require a battery? A: The FCP270 uses non-volatile Flash memory for the control database. However, it may have a super-capacitor or internal battery to maintain the real-time clock during power outages.
Q: How many PID loops can one P0926GH handle? A: While it depends on the complexity of the total strategy, the FCP270 is rated to handle hundreds of complex control loops at 100ms or 500ms processing cycles.
Similar Model Recommendations
- Foxboro P0926GK (Redundant FCP270 pair)
- Foxboro P0922AZ (FBM201 Analog Input Module)
- Foxboro P0916CC (FBM217 Digital Input Module)
- Foxboro P0926KE (FCP270 Baseplate)
- Foxboro P0940VG (FBM242 Discrete Output)
For technical support or to procure the Foxboro P0926GH, please contact our Foxboro DCS specialists today.
