Precision Control, Robust Performance, Intelligent Operation

SRD960 Overview

The SRD960 Universal Valve Positioner, manufactured by Foxboro, is a versatile and intelligent device designed to control pneumatic valve actuators. It supports a wide range of communication protocols and features an explosion-proof version for hazardous environments. The positioner can be configured and operated using various control systems and tools, making it a highly adaptable solution for modern automation needs.

Key Features:

• Intelligent Operation: Offers auto-start, self-calibration, and self-diagnostics.
• User-Friendly Interface: Multilingual LCD with four keypads and optional infrared interface for easy configuration.
• Flexible Communication: Supports HART, FOUNDATION Fieldbus, PROFIBUS-PA, and FoxCom protocols.
• Advanced Diagnostics: Provides valve diagnostics and predictive maintenance capabilities.
• Robust Design: IP 66, NEMA 4X protection, SIL approved, and explosion-proof.

Specifications:

• Travel Range: 8 to 260 mm (0.3 to 10.2 inches).
• Rotation Angle: Up to 95°, with options for up to 300°.
• Air Pressure: Operates from 1.4 to 6 bar (20 to 90 psig).
• Output: Up to 5.5 bar at 6 bar supply pressure.
• Sensitivity: 0.1% of travel span.
• Accuracy: Non-linearity of 0.4% and hysteresis of 0.3%.
• Environmental Tolerance: Withstands vibration from 10 to 500 Hz and broad temperature range.

Applications:

Key Applications Include:

• Process Automation: Ideal for integration with modern control systems, supporting various communication protocols for seamless operation.
• Hazardous Environments: Suitable for use in explosive atmospheres, with an explosion-proof design meeting stringent safety standards.
• Predictive Maintenance: Enables advanced diagnostics and maintenance planning through FDT-based software, ensuring reliable operation and minimizing downtime.
• Emergency Shutdown Systems: Provides tools for conducting Partial Stroke Tests (PST), essential for verifying the functionality of Emergency Shut Down (ESD) valves.
• Versatile Mounting Options: Compatible with both linear and rotary actuators, making it a flexible solution for diverse industrial settings.