Product Description
Foxboro SRD991-CHFS7FAANY-CSV14 Intelligent Valve Positioner
Product Overview
- The Foxboro SRD991-CHFS7FAANY-CSV14 is an Intelligent Valve Positioner from the Invensys I/A Series (now part of Schneider Electric's EcoStruxure Foxboro portfolio). This device is designed to precisely control the position of pneumatic valve actuators in industrial process control applications, ensuring accurate valve positioning for flow, pressure, or level control. It is widely used in industries such as oil and gas, chemical processing, and power generation, offering advanced diagnostics, digital communication, and robust performance in harsh environments.
Technical Specifications
- The SRD991-CHFS7FAANY-CSV14 has the following specifications
| Specification | Details |
|---|---|
| Model/Part Number | SRD991-CHFS7FAANY-CSV14 |
| Manufacturer | Foxboro (Invensys, now Schneider Electric) |
| Description | Intelligent Valve Positioner |
| Series | Invensys I/A Series (SRD991 Platform) |
| Function | Controls pneumatic valve actuators with precise positioning and digital communication |
| Input Signal | 4–20 mA (analog), HART, FOUNDATION Fieldbus, or PROFIBUS PA (configuration-dependent) |
| Communication Protocol | HART (based on CHFS7 designation) |
| Actuator Type | Single-acting or double-acting pneumatic actuators |
| Supply Pressure | 1.4–7 bar (20–100 psi) |
| Air Consumption | <0.03 kg/h (steady state, typical) |
| Stroke Range | 8–260 mm (linear), 0–90° (rotary, configuration-dependent) |
| Accuracy | ±0.5% of full scale |
| Diagnostics | Advanced diagnostics for valve health, positioner performance, and process conditions |
| Display | LCD with push-button interface |
| Enclosure Rating | IP66, NEMA 4X (suitable for harsh environments) |
| Hazardous Area Certifications | ATEX, IECEx, FM, CSA (intrinsically safe or explosion-proof, configuration-dependent) |
| Material | Aluminum housing with corrosion-resistant coating |
| Power Supply | Loop-powered (4–20 mA, no external power required) |
| Environmental Specifications | Operating Temperature: -40°C to +85°C Storage Temperature: -40°C to +90°C Relative Humidity: 0% to 100% (condensing) |
| Dimensions | Approx. 200 mm (H) x 120 mm (W) x 100 mm (D) |
| Weight | Approx. 2–3 kg |
| Mounting | Direct mounting to actuator or remote mounting (NAMUR/IEC 60534-6-1 compatible) |
| Certifications | CE, SIL 2/3 capable, complies with IEC 61508 |