Emerson Fisher FIELDVUE DVC2000 Instruction Manual Supplement page 3

Digital valve controller

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Instruction Manual Supplement

D104492X012

2.2 Open the tag for your replacement digital valve controller and run Setup Wizard.

2.2a Initiate the Setup Wizard from either the Instrument Setup menu or Setup Wizard Icon

on the toolbar.

2.2b Set the desired Pressure Units and the Max Supply Pressure for the application.

2.2c Select the required Actuator Information including: Actuator Make, Actuator Model, Actuator Size, and

designate if a Volume Booster or Quick Release Valve is present.

2.2d If prompted, fill out any additional screens (eg: Zero Power Condition, Actuator Style, and Tuning

Information).

2.2e Select Yes when prompted to Use Factory Default Settings.

Note

It is not necessary to run an Auto Travel Calibration since the digital valve controller will be calibrated with the Single Point

Calibration feature in future steps and is not currently mounted to a valve assembly.

2.2f When prompted to run an Auto Travel Calibration select No.

2.3 Place the instrument In Service and close the tag. Then disconnect the digital valve controller.

3. Manually Replace Positioner

WARNING

Refer to the Installation Warning on page 2.

3.1 Disconnect any operating lines that provide air pressure, electric power, or a control signal to the actuator. Be sure

the actuator cannot suddenly open or close the valve. Remember to note where each line goes for reassembly.

3.2 Confirm the valve assembly is safely locked in position. Do not proceed if the valve assembly has not been safely

locked in position.

3.3 Carefully remove the existing positioner without disturbing the mechanism locking the valve in position.

3.4 Mount the replacement digital valve controller by following the mounting instructions for sliding-stem valve

assemblies in the DVC2000 Quick Start Guide (D103566X012).

CAUTION

Valve movement may occur if air is supplied to the digital valve controller during calibration. The Single Point Calibration

process cannot be started if air is supplied to the instrument.

3.5 Reattach pneumatic and electrical operating lines to the replacement digital valve controller but Do Not Turn On

Air Supply.

D Measure and record the valve assembly's Observed Travel (%). Observed Travel is the current position of the

valve as a percentage of the actual travel.

DVC2000 Digital Valve Controller

January 2020