METHODS AND APPARATUS TO CONTROL AND/OR MONITOR A PNEUMATIC ACTUATOR
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United States of America Patent
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Issued Date -
Dec 12, 2013
app pub date -
Jun 8, 2012
filing date -
Jun 8, 2012
priority date (Note) -
Abandoned
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Abstract
Methods and apparatus to monitor and/or control a pneumatic actuator are disclosed. An example apparatus includes a processor to execute a control application, a position sensor to monitor a position of a valve coupled to a pneumatic actuator, the position sensor to provide position information of the valve to the control application, and a latching valve to provide a pneumatic signal to the actuator, the latching valve and the pneumatic signal to be controlled by the control application based on at least one of the position information or a control signal from a separate device in a process control system.
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