Fisher DVC2000 Valve Positioner
The design of the DVC2000 complies with multiple global standards, featuring a compact structure that can be installed on any actuator that meets NAMUR, IEC60534-6-1, and IEC60534-6-2 standards. The built-in high-performance, non-linkage stroke feedback system means that a significant number of installation parts can be reduced, thereby significantly lowering the complexity of installation.
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Here are the key features of the Fisher FIELDVUE DVC2000 digital valve controller:
Linkage-less feedback system: Uses a non-contact sensor to detect valve position, reducing mechanical wear and simplifying installation.
Two-stage positioner design: Offers high static gain and dynamic response, enabling precise control even with small input changes.
Local user interface: Features a multilingual LCD and push-button setup for easy configuration, calibration, and tuning.
HART communication: Supports 4–20 mA analog input with HART protocol for remote diagnostics and configuration.
Compact, integral mounting: Designed for direct mounting on Fisher GX, 657, and 667 actuators, as well as other actuators compliant with IEC and NAMUR standards.
Performance diagnostics: Compatible with ValveLink™ software for real-time monitoring and predictive maintenance.
Low air consumption: Efficient pneumatic design minimizes steady-state air use while maintaining fast response.
Wide operating range: Functions in temperatures from –40°C to 80°C, with robust construction for harsh environments.
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA with HART communication |
| Supply Pressure | 1.4 to 6.0 bar (20 to 87 psi) |
| Air Consumption | ≤ 0.6 Nm³/h (at steady state, 1.4 bar supply) |
| Ambient Temperature Range | –40°C to +80°C |
| Enclosure Rating | IP66 / NEMA 4X |
| Mounting | Integral to Fisher GX, 657, 667 actuators; IEC/NAMUR compliant |
| Feedback System | Linkage-less, non-contact magnetic sensor |
| Display | LCD with multilingual support and push-button interface |
| Diagnostics | ValveLink™ software support for performance and predictive diagnostics |
| Certifications | ATEX, CSA, IECEx (varies by model and configuration) |
Frequently Asked Questions – Fisher DVC2000
1. What is the DVC2000 used for?
It’s a digital valve controller that converts a 4–20 mA signal into pneumatic output to position a control valve. It’s ideal for both throttling and on/off applications.
2. How is it different from other FIELDVUE models?
The DVC2000 features a linkage-less feedback system, a two-stage positioner design, and a local LCD interface, making it compact and easy to install—especially on Fisher GX, 657, and 667 actuators.
3. Does it support remote diagnostics?
Yes. It’s HART-enabled and compatible with ValveLink™ software, allowing for real-time performance monitoring and predictive maintenance.
4. What’s the operating temperature range?
It operates reliably from –40°C to +80°C, suitable for harsh environments.
5. Can I configure it without a handheld communicator?
Yes. The local user interface with push buttons and a multilingual LCD allows for setup, calibration, and tuning directly on the device.
6. Is it certified for hazardous areas?
Absolutely. It carries certifications like ATEX, CSA, IECEx, and others depending on the model configuration.
7. What kind of actuators can it be mounted on?
It supports integral mounting on Fisher GX, 657, and 667 actuators, and is also compatible with actuators that meet IEC and NAMUR standards.
8. What’s the air consumption like?
It’s designed for low steady-state air consumption (≤ 0.6 Nm³/h at 1.4 bar), making it efficient for continuous operation.
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