EMERSON Mounting Instructions DVC6200 Digital Valve Controller on Fisher 585C Size 68 with 0.56 to 2.00 Inch Travel (Linear Roller Cam)

DVC6200 Digital Valve Controller Mounting Instructions on Fisher 585C Size 68 with 0.56 to

September 2010 2.00 Inch Travel (Linear Roller Cam)

Use these instructions to mount a Fisher FIELDVUE procedures to be sure that the above measures stay in DVC6200 digital valve controller on Fisher 585C size effect while you work on the equipment.

68 actuator with 0.56 to 2.00 inch travel.

2. During the attachment of the cam bracket (key 3) to the valve stem connector it will be necessary to remove the stem connector cap screws. Consult the

WARNING

appropriate actuator instruction manual for proper actuator disassembly and reassembly.

Avoid personal injury or property

3. Attach the cam bracket (key 3) to the stem

damage from sudden release of process

connector using two stud bolts (key 1), two plain

pressure or bursting of parts. Before

washers (key 4) and four hex nuts (key 5) and two

performing any maintenance operations:

spacers (key 2), as shown in figure 3.

Always wear protective clothing,

4. Attach the cam (key 6) to the cam bracket using two

gloves, and eyewear.

plain washers (key 7), and two hex head screws

Do not remove the actuator from (key 8) as shown in figure 3. Ensure that the cam is the valve while the valve is still oriented as per the mounting assembly drawing. pressurized.

5. Attach the mounting plate (key 9) to the actuator

Disconnect any operating lines

yoke top mounting face using two lock washers

providing air pressure, electric power, or

(key 10) and two hex head screws (key 11), as shown

a control signal to the actuator. Be sure

in figure 3. Similarly, attach the mounting plate to the

the actuator cannot suddenly open or

bottom yoke mounting by using a spacer (key 12), stud

close the control valve.

(key 13), plain washer (key 14), and hex nut (key 15).

Use bypass valves or completely

6. Attach the digital valve controller to the arced

shut off the process to isolate the

feedback assembly (key16) using the four metric hex

control valve from process pressure.

socket cap screws (key 18).

Relieve process pressure from both sides of the control valve.

7. Attach the arced feedback assembly along with the Vent the pneumatic actuator digital valve controller to the mounting plate using the loading pressure and relieve any four imperial hex socket cap screws (key 17) as shown actuator spring precompression. in figure 3. Ensure that the roller of the arced feedback assembly is centered and resting on the cam surface

Use lock-out procedures to be sure

as shown in figure 2.

that the above measures stay in effect while you work on the equipment. 8. Ensure that the cam is positioned so that when the

actuator stem is fully extended, the roller lines up with

Check with your process or safety

the mark on the cam.

engineer for any additional measures that must be taken to protect against

9. Make pneumatic and electrical connections to the

process media.

digital valve controller as described in the digital valve controller instruction manual.

Refer to figure 3 and the parts list for mounting parts identification. Refer to the DVC6200 digital valve

10. It may be necessary to fine tune the placement of

controller instruction manual for digital valve controller

the cam so that the digital valve controller receives the

parts identification. Refer to the appropriate actuator

proper feedback.

instruction manual for actuator installation, operation, maintenance, and parts identification. Figure 1 shows 11. Setup and calibrate the digital valve controller as the arced feedback assembly (RShaft Window #1). described in instruction manual or quick start guide.

1. Isolate the control valve from the process line For additional information concerning mounting, setup, pressure and release pressure from both sides of the calibration, and maintenance of the DVC6200 digital valve body. Shut off all pressure lines to the actuator, valve controller, refer to the appropriate instruction releasing all pressure from actuator. Use lock-out manual.

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