DVC6200F Fisher

DVC6200F Fisher Programmable controller

Product  Description：

The DVC6200F is part of the Emerson Fisher FIELDVUE family, specifically engineered for seamless integration into FOUNDATION Fieldbus control systems. It functions as a Function Block-based device, allowing it to execute control strategies at the valve level, such as Proportional-Integral-Derivative (PID) control. The device is housed in a rugged, low-copper aluminum or stainless steel enclosure, designed to withstand harsh industrial atmospheres. A key characteristic is its modular construction, which allows the pneumatic relay and the electronic sub-module to be replaced separately, reducing long-term maintenance costs.

Product Parameters

The technical specifications for the DVC6200F are centered around its digital communication capabilities and pneumatic performance:

• Communication Protocol: FOUNDATION Fieldbus (H1).

• Input Signal: $9$ to $32$ volts DC at the terminals, with a maximum current of $19 \text{ mA}$.

• Function Blocks: Supports standard blocks including Analog Output (AO), PID, Arithmetic (ARTH), Input Selector (ISEL), and others for control-at-the-valve functionality.

• Diagnostics: Available in different tiers, including "AD" (Advanced Diagnostics) and "PD" (Performance Diagnostics), which provide online valve health monitoring.

• Output Pressure: Up to $95\%$ of the supply pressure, with a maximum supply pressure of $10 \text{ bar}$ ($145 \text{ psig}$).

• Operating Temperature: Standard range is $-40$ to $85\text{°C}$ ($-40$ to $185\text{°F}$); extreme temperature options are available.

• Accuracy: Typically $\pm0.5\%$ of the output span.

• Stem Travel: Supports linear travel from $11 \text{ mm}$ to $606 \text{ mm}$ ($0.4375$ to $23.875 \text{ inches}$) and rotary movement up to $90$ degrees.

• Enclosure Rating: NEMA 4X and IP66.

Product Advantages

The DVC6200F offers several distinct advantages over traditional and competing digital positioners. The Linkage-less Feedback System is perhaps the most significant, as it eliminates all mechanical contact between the valve stem and the positioner. This removes problems associated with loose linkages, corrosion, and vibration-induced wear.

The Fieldbus Integration provides a wealth of data, allowing for "Control in the Field" (CIF), which reduces the processing load on the main Distributed Control System (DCS). Furthermore, the Advanced Diagnostics enable predictive maintenance; the device can detect issues like air leaks, friction changes, or spring fatigue while the valve is still in service. This "Performance Diagnostics" capability helps plants shift from reactive to proactive maintenance schedules, saving significant time and money during turnarounds.

Important Considerations and Precautions

When deploying the DVC6200F, users must pay close attention to the Air Supply Quality. The pneumatic relay requires clean, dry, oil-free air (filtered to $40$ microns) to prevent internal clogging. It is highly recommended to install a Fisher 67CFR filter regulator directly at the unit.

Regarding Electrical Installation, ensure that the FOUNDATION Fieldbus segment is properly terminated and that the voltage at the device terminals does not drop below $9 \text{ VDC}$ to maintain stable communication. During the Calibration Process, ensure the feedback magnet is correctly aligned with the Hall effect sensor on the back of the DVC6200F; misalignment can result in "Travel Deviation" errors or a failure to initialize. Finally, because the device is used in safety-critical loops, always verify the "Fail-Safe" action (Open, Closed, or Last Position) during commissioning to ensure the system behaves correctly upon loss of signal or air.

Product Applications

The Fisher DVC6200F is used in nearly every industrial sector where precision fluid control and digital data integration are required:

• Oil and Gas Production: Managing high-pressure separators and wellhead control where reliability in remote locations is paramount.

• Chemical and Petrochemical: Controlling highly corrosive or volatile fluids where non-contact feedback prevents mechanical failure due to chemical exposure.

• Power Generation: Used in steam turbine bypass and feedwater control loops where high-speed response and vibration resistance are necessary.

• Refining: Integrating with large-scale DCS systems to manage complex distillation and cracking processes through FOUNDATION Fieldbus networks.

• Pulp and Paper: Handling abrasive slurries and steam applications where the robust IP66 enclosure protects the electronics from high humidity and chemicals.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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