Product Overview

The Foxboro P0931RQ is a high-specification industrial communication and interface cable engineered for the I/A Series Distributed Control System (DCS). This specialized cable is designed to facilitate robust connectivity between Fieldbus Modules (FBMs) and Termination Assemblies (TAs), ensuring high-fidelity signal transport in dense electrical environments. Unlike standard commercial cabling, the P0931RQ is built with advanced shielding and high-grade materials to meet the rigorous demands of real-time process control.

[Note: While some documentation lists this under LAN components, it is primarily utilized as a critical copper interface for high-conductivity signal routing within the Foxboro DCS ecosystem.]

Technical Specifications

• Manufacturer: Foxboro (Invensys / Schneider Electric)

• Model Number: P0931RQ

• Product Series: I/A Series / Evo

• Conductor Material: High-purity Electrolytic Copper

• Insulation Material: High-Density Polyethylene (HDPE)

• Outer Sheath: Chemical-resistant Teflon (PTFE)

• Operating Temperature: -40°C to +105°C (-40°F to +221°F)

• Quality Certification: ISO 9001

• Weight: 1.12 kg

• Dimensions (Packaging): 3.3 x 44.8 x 22.7 cm

• Origin: USA

Key Technical Characteristics

• Premium Signal Integrity: Constructed with multi-strand, high-grade copper conductors, the P0931RQ provides extremely low electrical resistance. This ensures minimal signal attenuation and maximum conductivity for both analog and digital I/O transmissions.

• Advanced Crosstalk Suppression: Each conductor pair is precision-insulated and twisted to specific ratios to eliminate internal electromagnetic interference. This design significantly reduces crosstalk, ensuring that sensitive process data remains accurate and stable.

• Teflon Outer Armor: The cable is protected by a high-durability Teflon (PTFE) sheath. This material provides superior resistance to abrasive physical forces, industrial chemicals, and corrosive solvents, making it suitable for hazardous chemical processing areas.

• Exceptional Thermal Resilience: With a certified operating range extending up to +105°C, the P0931RQ maintains its mechanical and electrical properties even when routed near high-heat process equipment or in sub-zero outdoor installations.

• Enhanced Dielectric Protection: The use of polyethylene insulation provides high dielectric strength, protecting the signal pairs from voltage spikes and ensuring long-term reliability in mission-critical control loops.

• Flexible Deployment: Despite its heavy-duty construction, the cable is designed with a specific bend radius that allows for easy routing within congested control cabinets and overhead cable trays without compromising internal core integrity.

Primary Applications

The Foxboro P0931RQ is the preferred interface solution for:

• Petrochemical Facilities: Routing signals in areas exposed to harsh hydrocarbons and corrosive vapors.

• Power Generation: Interfacing turbine and boiler control modules where high-temperature stability is required.

• Manufacturing Plants: Connecting distributed I/O racks to central control stations across long distances.

• Refineries: Critical data links between FBMs and field-side termination assemblies.