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Home ⊙ NEWS ⊙ Emerson Fisher™ FIELDVUE™ DVC7K-H Digital Valve Controller
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Emerson Fisher™ FIELDVUE™ DVC7K-H Digital Valve Controller

From:Emerson | author:Mr.Chen | Time :2025-08-19 | 2 view: | Share:

The FIELDVUE DVC7K digital valve controller is reliable

and intuitive, featuring diagnostics that are targeted for

your On/Off applications. It converts a 4-20 mA or 24 V DC

input signal into a pneumatic output signal that controls

the actuator on the valve. Perform setup and configuration

procedures, check the valve health, and get Advice at the

Device™ using the simple-to-use Local User Interface

(LUI). The interface can be configured to support multiple

languages with a few button pushes.

Features

Reliability

• Linkage‐Less Non‐Contact Position Feedback — The

high performance, linkage-less feedback system, shown

in Figure 1. eliminates physical contact between the valve

stem and the instrument. There is no wearing of parts

so cycle life is maximized. Additionally, the elimination

of levers and linkages reduces the number of mounting

parts and mounting complexity. Instrument replacement

and maintenance is simplified because the feedback

parts stay connected to the actuator stem.

• Built to Survive — The DVC7K's field-proven conformal

coated electronics resist the effects of vibration,

temperature and corrosive atmospheres per the

ISA.75.13 standard. A weather‐tight housing construction

protects the wiring terminal box and critical components

from harsh environmental conditions.

• Eliminate Solenoids  — DVC7Ks in the On/Off

Application Mode provide a more reliable solution over

traditional solenoid valves. They also provide diagnostic

alerts to support early identification of problems

Performance

• Accurate and Responsive — The two‐stage instrument

design provides quick response. Additionally, the DVC7K

allows users to customize the performance of their valve,

with a configurable ramp open rate and ramp closed rate.

Stroke Time Analysis available for On/Off applications

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