One type of transducers are the means of using an analogue pneumatic signal (3#-15#) to generate an analogue electrical signal. (05VDC,0-10 VDC or 4-20ma) Another type is the means of using an analogue electrical signal (0-5VDC, 0-10VDC or 4-20ma) to generate a 3#-15# pneumatic signal. They are available as relay and non-relay transducers. Electric thermostats allow or disallow electrical flow based on the controller’s set point and the state of the medium the control is sensing. They are often used in safety circuits. Electro/pneumatic (EP) valves, also referred to as solenoid air valves (SAV) are the means of allowing or disallowing pneumatic signals in a circuit. Be sure the voltage rating is correct and the air pressure is below manufacturer’s recommendations. TRANSDUCERS ELECTRIC CONTROLS Pressure electric switches and mercoid switches are the means of controlling an electrical signal via a pneumatic signal. They come normally open, normally closed or allow a choice when wiring. Do not exceed the pressure, voltage or amperage recommended by the manufacturer. PNEUMATIC/ELECTRIC COMPONENTS PRESSURE MERCOID ELECTRO/PNEUMATIC VALVE (EP) ELECTRIC (PE) SOLENOID AIR VALVE (SAV) (PE) C NO NC 2.15
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