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  • Switch Tips: Photointerrupter switches
    thermal constraints. Switches based on photointerrupters have no contacts, no lubricant, and only one spring. The switching action takes place by depressing a button that interrupts the optical path between an infrared LED and a photodiode or phototransistor. This provides a momentary "low

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  • Relays and Switches
    The names of switches often indicate the intended use or function such as, Limit Switch , Sensitive Switch, Co- axial Switch, Pushbutton Switch, Momentary Contact Switch, Pressure Switch, Thermal Switch, Lever Operated Switch, etc.
    The standard manual controls included momentary latching pushbuttons for up�, �down�, �stop� and �return� functions, and limit switches to control maximum crosshead travel. Crosshead speed was selected by a pushbutton operated electromechanical unit and a high/low mechanical range selector.
  • Control of ereignisdiskreter processes
    Both sensors are simultaneously pressed, the lifting platform in the at present occupied position must lie. Two limit switches serve for limiting of the stroke upwardly or down.
  • Choosing Airflow and Pressure Sensors for Medical Apps (.pdf)
    With both momentary and maintained contacts, the wireless operator interface (WOI) can be used to provide indication via a pushbutton or another user-chosen operator type (i.e. 22 mm rotary switch , 22 mm key switch, etc.). Limitless�?� WLS Series Heavy Duty Limit Switch .