Which is where this two-axis antenna positioner could come in handy. While not quite up to the job it was originally intended for — positioning a 1.2-meter dish antenna — [Manuel] did manage ...

Valve positioners compare a control signal to a valve actuator's position and move the actuator accordingly. They are used with both linear valves and rotary valves. Valve positioners are used when ...

The Sipart PS100 is a positioner that can be initialized quickly at the touch of a button, automatically adjusting itself to the attached valve. If required, it is possible to optimize the positioner ...

Develop a standard or standard(s) for valve positioner evaluation and performance criteria. Positioners may accept pneumatic or electric, or other inputs. Outputs may be pneumatic, or other, to ...

The actuator receives a control input signal from the controller or positioner and adjusts closure element position accordingly. Failsafe position determines whether pneumatic valve actuators open or ...