Slide Valve Actuator Installation & Calibration

21.Use the INC button to rotate the actuator to- wards its maximum position while watching the millivolt readout on the controller screen. Discontinue pressing the INC button when the millivolt reading in the “Current” window is approximately 9200 millivolts (7900 mil- livolts for the 2783J qualified analog boards). You are nearing the mechanical stop position.

22.Pulse the INC button to carefully move the slide valve until the millivolt readout “saturates”, or stops increasing. This is around 9500 millivolts (8400millivoltsfor2783qualifiedanalogboards).

23.Pulse the DEC button until the millivolts just start to decrease. (This is the point where the channel drops out of saturation).Ad- just millivolt value to 300 millivolts below recorded maximum millivolts in step #22.

24.Press the “Set Max” button.

25.Press the “Main” button to complete calibra- tion and exit the “Slide Calibration” screen. The controller will automatically energize the actuator and drive it back to its mini- mum position (below 5%) for pre-start-up.

26.Note: Now the “Current Cap” or the “Current Vol” value will be displayed in the window on the “Main”screenandthe“SlideCalibration”screen.

27.Gently lower the plastic cover over the top of the actuator to where it contacts the base and o-ring seal. After making sure the cover is seated properly, gently tighten the four #10 screws. Caution: The plastic cover will crack if the screws are over tightened.

28.Enable the “Slide Non-Movement Alarm” by go- ing to the “Setup” menu and choosing “Alarm Enable” for the “Slide Non-Movement Option”.

29.This completes the calibration for this chan- nel either capacity or volume. Repeat the same procedure to the other channel.

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Emerson VSM, VSR, VSS service manual Slide Valve Actuator Installation & Calibration

VSS, VSM, VSR specifications

Emerson VSM, VSR, and VSS are advanced technologies designed for process automation and control, often utilized in industrial applications. These systems are part of Emerson's broader portfolio of solutions aimed at enhancing operational efficiency, safety, and reliability.

The Emerson VSM, or Valve Signature Management, focuses on the digital management of valves within a system. One of its main features includes advanced diagnostics that monitor the health and performance of control valves. This technology allows for predictive maintenance, ensuring that valves operate at peak efficiency and reducing the risk of unexpected failures. The VSM utilizes a combination of smart sensors and actuators to gather data, enabling real-time analytics that can enhance decision-making and operational strategies.

On the other hand, VSR, or Valve Status Reporting, enhances visibility into the operational state of valves in real time. This system provides operators with critical updates and alerts related to valve conditions, significantly reducing response times to potential issues. The VSR technology integrates seamlessly with existing control systems, allowing for easier implementation and minimal disruption to ongoing operations. The reporting capabilities feature user-friendly dashboards that present complex data in a straightforward manner, empowering operators to make informed decisions quickly.

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