Product Overview
The Samson 3797 Smart Valve Positioner (TROVIS 3797) is an innovative, high-performance device that sets a new benchmark in valve automation with its pioneering Ethernet-APL (Advanced Physical Layer) certification. Built on the proven 379X series platform, it supports PROFINET communication at up to 10 Mbit/s, facilitating rapid data transfer for real-time diagnostics and control. Self-calibrating and automatically adapting to valve and actuator characteristics, the 3797 ensures precise throttling service in challenging conditions. Ideal for process industries like chemical and oil & gas, it enhances connectivity and reliability in smart factories.
Key Features
- Ethernet-APL Pioneering: First certified positioner for high-speed fieldbus communication.
- Self-Calibrating Operation: Automatic adaptation to valve/actuator for quick setup.
- PROFINET Support: Up to 10 Mbit/s for efficient data exchange.
- Advanced Diagnostics: Real-time monitoring of valve health and performance.
- Modular Design: Optional modules for customization.
- Robust for Harsh Conditions: Suitable for throttling with challenging transit times.
- Valve Travel Flexibility: 3.6–300 mm for linear; 24–170° for rotary.
- Smart Connectivity: Enables IIoT integration in process plants.
Technical Specifications
| Parameter | Specification |
| Communication Protocol | PROFINET over Ethernet-APL (10 Mbit/s) |
| Valve Travel | 3.6–300 mm (linear) |
| Opening Angle | 24–170° (rotary) |
| Input Signal | 4–20 mA (optional) |
| Air Supply | 1.4–6 bar |
| Temperature Range | -40°C to +80°C |
| Enclosure Rating | IP66 |
| Certifications | Ethernet-APL, ATEX, SIL 2/3 |
| Valve Compatibility | Linear and rotary actuators |
Applications
The Samson 3797 Smart Valve Positioner excels in industrial valve automation:
- Chemical Processing: Throttling in reactors and pipelines.
- Oil and Gas: Gas control in refineries.
- Power Generation: Steam valve regulation.
- Water Treatment: Flow control in treatment systems.
- Pharmaceutical: Precise process automation.
Frequently Asked Questions
What is Ethernet-APL?
It allows high-speed PROFINET communication in hazardous areas.
Is it self-calibrating?
Yes, automatically adapts to valve/actuator.
What valves does it control?
Linear (3.6–300 mm) and rotary (24–170°) valves.
Is it suitable for harsh environments?
Yes, IP66 housing for dust/water resistance.
Does it support SIL?
Yes, SIL 2/3 for safety-critical applications.
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