Fisher Mounting Instructions: Fisher DVC6200 or DVC2000 Digital Valve Controller on 657 and 667 Size 30-60 Actuators Manuals & Guides

Mounting Instructions

D103441X012
February 2012

DVC6200 or DVC2000

Digital Valve Controller on

657 and 667 Size 30‐60 Actuators

Use these instructions to mount a Fisher FIELDVUE
DVC6200 or DVC2000 digital valve controller on Fisher
657 and 667 size 30-60 actuators.

WARNING

Avoid personal injury or property damage
from sudden release of process pressure or
bursting of parts. Before performing any
maintenance operations:

 Always wear protective clothing,

gloves, and eyewear.

 Do not remove the actuator from the

valve while the valve is still pressurized.

 Disconnect any operating lines
providing air pressure, electric power, or a
control signal to the actuator. Be sure the
actuator cannot suddenly open or close
the control valve.

 Use bypass valves or completely shut
off the process to isolate the control valve
from process pressure. Relieve process
pressure from both sides of the control
valve.

 Vent the pneumatic actuator loading
pressure and relieve any actuator spring
precompression.

 Use lock‐out procedures to be sure
that the above measures stay in effect
while you work on the equipment.

 Check with your process or safety
engineer for any additional measures that
must be taken to protect against process
media.

Refer to figure 2 and the parts list for mounting parts
identification. Refer to the DVC6200 or DVC2000 digital
valve controller instruction manual for digital controller
parts identification. Refer to the appropriate actuator
instruction manual for actuator installation, operation,
maintenance, and parts identification.

1. Isolate the control valve from the process line pressure
and release pressure from both sides of the valve body.
Shut off all pressure lines to the actuator, releasing all
pressure from the actuator. Use lock‐out procedures to
be sure that the above measures stay in effect while you
work on the equipment.

WARNING

To avoid personal injury due to the sudden,
uncontrolled movement of parts, do not
loosen the stem connector cap screws
when the stem connector has spring force
applied to it.

2. During the attachment of the connector arm (key 3)
to the valve stem connector it will be necessary to loosen
the stem connector cap screws. Consult the appropriate
actuator instruction manual for proper actuator
disassembly and reassembly. Install the connector arm
(key 3) when reassembling the stem connector assembly.
Leave the cap screws loose enough to allow side-to-side
adjustment.

Note

The stem connector imperial cap screws are the same
diameter as the metric hex head cap screws (key 1b) used to
mount the DVC6200 to the mounting bracket, but are NOT
interchangeable.

3. Attach the extension arm (key 6) to the connector arm
using two allen head screws (key 4) but do not tighten.
See figure 2 for extension arm orientation.

4. Attach the magnet assembly (key 5) to the extension
arm with two allen head machine screws (key 4) but do
not tighten (the magnet assembly can be inverted 180
without effect).

5. Install the three hex head cap screws on the backside
of the mounting bracket and roll the O-rings on the
threads of the cap screws.

6. Attach the mounting bracket assembly (key 1) to the
yoke using the two socket head screws (key 2).

7. Attach the black plastic alignment template to the
mounting bracket by inserting the two protruding posts
into the mounting holes in the bracket and
simultaneously positioning the magnet assembly so that
it can slide into the channel in the alignment template.
The magnet assembly should be fully in the alignment
template channel so that the extension arm is contacting
the back of the alignment template but not bending it.
Tighten the stem connector assembly per the
appropriate actuator instruction manual. Tighten the
allen head screws (key 4), attaching the extension arm to
the connector arm but do not yet tighten the screws
attaching the magnet assembly.

8. For an air‐to extend actuator, slide the magnet
assembly (key 5) so that the bottom marking aligns with

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DVC6200 or DVC2000
Digital Valve Controller on
657 and 667 Size 30‐60 Actuators

Mounting Instructions

D103441X012

February 2012

sensor index mark on the alignment template (see
figure 1). The magnet assembly's top marking is used for
air‐to‐retract. The mounting bracket may require vertical
repositioning to get the magnet assembly in the correct
location. When the magnet assembly is properly
positioned, remove the alignment template and tighten
the two allen head machine screws (key 4).

9. Attach the digital valve controller to the mounting
bracket and tighten the three hex head cap screws
(key 1b).

10. Check the position of the magnet assembly (key 5) in
the channel of the digital valve controller housing and
ensure the magnet assembly is visually centered between
the channel walls and has adequate clearance with the
backside of the channel (approximately 3 mm).

11. Connect and calibrate the digital valve controller as
described in the instruction manual or quick start guide.

For additional information concerning mounting, setup,
calibration, or maintenance of the DVC6200 or DVC2000
digital valve controller, refer to the appropriate
instruction manual.

Figure 2. Mounting Parts Identification

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Figure 1. Alignment Template

FIGURE SHOWS MAGNET ASSEMBLY
MARKING ALIGNED
WITH SENSOR INDEX MARK
FOR AIR‐TO‐EXTEND ACTUATOR

ASSEMBLY MARKING

NOTE:
DURING THE COMPLETE STROKE OF THE ACTUATOR, AT ANY PARTICULAR POSITION, THE DIGITAL
VALVE CONTROLLER HALL SENSOR MUST REMAIN WITHIN THE MARKING SHOWN ON THE MAGNET
ASSEMBLY

GE43826

1a

2

1c

6

GG03708

1b

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any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.

Fisher and FIELDVUE are marks owned by one of the companies in the Emerson Process Management business division of Emerson Electric Co. Emerson
Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their
respective owners.

The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not
to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.

Emerson Process Management

Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Chatham, Kent ME4 4QZ UK
Dubai, United Arab Emirates
Singapore 128461 Singapore

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