FC-QPP-0002 Honeywell High-Performance Quad Processor Module

Global PLC Spare HUB's Insight

The Honeywell FC-QPP-0002 is a high-integrity Quad Processor module designed for the Fail Safe Control (FSC) system architecture. This module is engineered to handle critical safety logic where redundant processing is non-negotiable. Its "Quad" architecture provides the hardware voting logic necessary to meet stringent SIL (Safety Integrity Level) requirements. Engineering professionals value the FC-QPP-0002 for its exceptional thermal tolerance, operating reliably even at 70°C internal module temperatures. 

Technical Performance Parameters

• Brand: Honeywell
• Model: FC-QPP-0002
• Type: Quad Processor Module
• Logic Supply: 5 Vdc (± 5%) at 1.2 A maximum
• Field Supply: 24 Vdc (–15% to +30%)
• Input Current: Approximately 8mA at 24 Vdc
• Output Capacity: 750mA per output channel
• Short Circuit Protection: Continuous electronic protection
• Operating Temperature: –5°C to +70°C (+23°F to +158°F)
• Relative Humidity: 10% to 95% (Non-condensing)
• Certifications: CE, UL, CSA, TUV, FM approved
• Physical Dimensions: 176 × 88.5 × 212 mm
• Net Weight: 1.3 kg

Typical Application Scenarios

• Emergency Shutdown Systems (ESD): Critical for rapid process termination in oil and gas refineries.
• Fire and Gas Systems (F&G): Managing redundant sensor voting for flame and toxic gas detection.
• Burner Management Systems (BMS): Safe sequencing of industrial boiler and furnace operations.
• High-Pressure Protection: Executing high-speed safety logic for pressure relief and isolation valves.

Diagnostic & Safety Capabilities

• Redundant Voting: Internal hardware logic monitors processor health to ensure "Fail-Safe" output states.
• Short Circuit Diagnostics: Built-in protection monitors output resistance (approx. 1.1 kΩ) to prevent module damage.
• Environmental Monitoring: Designed to maintain logic integrity even at the upper limits of its 70°C rating.
• Reverse Polarity Protection: Inputs are shielded against incorrect wiring during commissioning or maintenance.

Shipping & Quality Assurance

• Warranty Period: Full 12-month professional warranty included.
• Dispatch Timeline: Orders are prepared and shipped within 24-48 hours.
• Global Logistics: Express worldwide delivery via FedEx, UPS, and DHL.
• Compliance: All units undergo rigorous inspection to meet TUV and FM safety standards.

Selection & Purchase Guidance

• Backplane Verification: Confirm your existing FSC backplane version for compatibility.
• Power Sequencing: Ensure your safety-rated power supplies are calibrated to the required 5V/24V tolerances.
• Firmware Alignment: For legacy upgrades, ensure the firmware version aligns with your existing safety logic programming.

Professional FAQ

What is the significance of the "Quad" designation for this processor?

The FC-QPP-0002 utilizes a multi-channel voting architecture to ensure that a single component failure cannot result in an unsafe state.

How does the module handle a sustained short circuit on an output?

The module features continuous short-circuit proofing, meaning it will electronically limit current and recover once the fault is cleared without permanent hardware damage.

Can this module be used in offshore environments with high humidity?

Yes, it is rated for up to 95% non-condensing humidity and carries multiple approvals (CE, UL, CSA, TUV) suitable for marine and offshore electrical cabinets.

Why is the 5V supply current significantly higher than the 24V supply current?

The 5V DC (1.2A) powers the high-speed logic and processing cores, while the 24V DC (25mA) is primarily used for interface and signal conditioning.

What is the critical step when replacing an FC-QPP-0002 in a running system?

Ensure the "Force" settings in the safety software are documented and that the redundant partner module is in a healthy "Active" state before extraction.

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