Figure 1. Type DVC Digital Valve Controller Mounted on a Sliding-Stem Valve Actuator not only itself, but also the valve and actuator to which it is mounted. Many thanks for your valuable feedback regarding this matter: There is a control valve with Actuator Fisher (power fail:Open) and a DVC Hart and an. FISHER DVC FIELDVUE Pneumatic Valve POSITIONER 30V-DC D : Industrial & Scientific.

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Mentioned that the configuration on the handheld is not an option, it is for the user to let the DVC know how the valve and actuator has been set up. As I do not have information on the relay type of the DVC on your site, it is difficult for me to say what will happen on your end.

They are trying vdc match stroke and command to the DVC But there is no positive results. Many thanks In advance Alex for your valuable answer. Screenshots show that the users are aware of the inverted feedback.

I verified the configuration and it was set the Zero Power condition as Valve Close default value.

Click on the link below see our remanufactured Fisher products flyer: The sequence of events will go: Remanufactured with 2 year. It is written on the actuator nameplate Power Fail: Suggested a reverse acting relay B if the ZPC needs to be changed to close. Fisher Flyer Don’t forget! For addition information click on the link. Join Our Mailing List! Zero pressure to Fisher will retract the stem upwards.

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Click here to join. Could you provide me some technical feedback on this point? In reply to Thales:. In addition to the traditional function of converting an input current signal to a pneumatic output pressure, the DVC digital valve controller communicate via HART protocol. There is a control valve with Actuator Fisher power fail: This will give zero power failure ZPC of close and pneumatic failure of open to the current valve assembly.

My name is Thales Camargo, Many thanks for your dvvc feedback regarding this matter: A pneumatic signal is then delivered to a control element to change the process differential pressure toward the set point. You can email me at alex.

Fisher FIELDVUE Instruments DVC6010 Valve Controller Positioner

In reply to Thales: The DVC has a relay type C. We dv significant savings, quick lead times, and friendly service. In dfc to Alex Quah:. The actual configuration on DVC is: Hi Thales, Nice to meet you. DVC digital valve controllers are communicating, microprocessor-based current-to-pneumatic instruments. Again, thanks a lot for sharing your knowlegde and expertise. Sullivan and Sons Valves. All of our remanufactured products include a 2 year warranty.

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In the event of a loss of power to the DVC, the valve will be open and allow flow through. Replacement valve trim for.

DVC digital valve controllers are designed to directly replace standard pneumatic and electro-pneumatic valve mounted positioners. Give us a call today.

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Many thanks for your valuable answer, I look forward to receiving your comments on this issue. The controllers sense two different pressures and compare the difference between these pressures with an operator-adjusted set point. This will pull the plug to an open position on a Dfc valve. Sullivan and Sons, Inc. These include “E” series globe, Vball, and butterfly valves.

Become a member of this Emerson Exchange group. I am sending some information to your personal mail. This will give full air output to the actuator at 4mA or 0mA and zero air output at 20mA.

I tried to persuade the team without sucess.