Instruction Manual

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Supplement to Fisher

FIELDVUE

DVC6000 SIS

Digital Valve Controllers for Safety Instrumented

System (SIS) Solutions Instruction Manual

Partial Stroke Test using 475/375 Field Communicator

The Partial Stroke Test procedure contained in this Instruction Manual Supplement is to be considered as a guideline

only and should be modified to address site‐specific requirements. Use this procedure in conjunction with the

appropriate Safety Manual for FIELDVUE DVC6000 SIS Digital Valve Controllers for Safety Instrumented System (SIS)

Solutions (0‐20 mA or 0‐24 VDC

[D103035X012] or 4‐20 mA [D103294X012]) and the Fisher FIELDVUE DVC6000 SIS

Series Digital Valve Controllers for Safety Instrumented System (SIS) Solutions Instruction Manual (D103230X012). In

addition, exercise good engineering practices and abide by specific plant safety guidelines for safe operation.

Note

This procedure requires the use of the 475 or the 375 Field Communicator, device description (DD) rev. 1.

This procedure should be done with the digital valve controller's Instrument Mode set to “In Service”. There is nothing in the scope

of this procedure that requires the digital valve controller's Instrument Mode be set to “Out of Service”.

Partial Stroke Test Procedure

The Partial Stroke Test allows a DVC6000 SIS digital valve controller to move a valve from its current position to a

specified travel target, and then return it to its original position, while the instrument is in service and operational. In

an SIS application, it is important to be able to exercise and test the shut down valve to verify that it will operate when

commanded. This feature allows you to partially stroke the valve while continually monitoring the shut down signal. If

a demand arises, the test is aborted and the valve moves to its commanded position. The purpose of this test is to

ensure that the valve assembly moves upon demand.

1. Physically inspect the valve and positioner assembly in the field for any loose screws, loose mounting bracket, loose

feedback linkage, loose or broken tubing/conduit or the other mechanically loose conditions. Check air filter

regulators to ensure they are operating properly. Inspect gauges and verify that they are reading correctly.

Instruction Manual Supplement

D103320X012

DVC6000 SIS

January 2011

Summary of content (6 pages)

PAGE 1
Instruction Manual Supplement D103320X012 DVC6000 SIS January 2011 Supplement to FisherR FIELDVUEt DVC6000 SIS Digital Valve Controllers for Safety Instrumented System (SIS) Solutions Instruction Manual Partial Stroke Test using 475/375 Field Communicator The Partial Stroke Test procedure contained in this Instruction Manual Supplement is to be considered as a guideline only and should be modified to address site‐specific requirements.
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Instruction Manual Supplement DVC6000 SIS January 2011 D103320X012 2. Connect the Field Communicator to the DVC6000 SIS digital valve controller. Select “Device Diagnostics” from the Online menu as shown in figure 1. 1. Online Menu DVC6000: SIS Online 1 Configure / Setup 2 Device Diagnostics 3 Device Variables 3. Select Partial Stroke Test (figure 2) in the Device Diagnostics Menu. Figure 2.
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Instruction Manual Supplement D103320X012 DVC6000 SIS January 2011 5. Enter the maximum travel movement (figure 4) desired and select ENTER. Figure 4. Enter Max Tvl Movement DVC6000: SIS Max Tvl Movement 10.0% 10.0 HELP DEL ABORT ENTER 6. Choose the desired test speed for the Partial Stroke Test, as shown in figure 5, and select ENTER Figure 5. Select the PST Test Speed DVC6000: SIS Test Speed (1.0 %/sec) 1.0 %/sec 0.5 %/sec 0.25 %/sec 0.12 %/sec 0.06 %/sec ABORT ENTER 7.
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Instruction Manual Supplement DVC6000 SIS January 2011 D103320X012 8. If there is already Partial Stroke Test data in the DVC6000 SIS, you will see the message shown in figure 7. Select OK and go to step 9 to continue running the Partial Stroke test using the 375 Field Communicator. Select ABORT if you want to extract the existing data using ValveLink™ Software. Figure 7.
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Instruction Manual Supplement D103320X012 DVC6000 SIS January 2011 10. Choose Yes, as shown in figure 9, and select ENTER to overwrite the existing diagnostic data in the DVC6000 SIS digital valve controller and to start the Partial Stroke Test, as shown in figure 10. Figure 9. Overwrite Existing Data DVC6000: SIS Is it ok to overwrite the diagnostic data in the instrument? 1 Yes 2 No ABORT ENTER Figure 10. Partial Stroke Test Initiated DVC6000: SIS Travel = 92.3% ABORT 11.
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DVC6000 SIS Instruction Manual Supplement January 2011 D103320X012 Related Documents D Bulletin 62.