Answer Posted / rachuri_sree
Digital signal means either True or False. Only 2 states
will be there. Example for this is pushbutton,Hot metal
detector,proxy etc.
Analog means the signal will vary with conditions. out put
may be 4-20mA, 0-20mA,0-10V,0-5V etc. examples are
pressure,flow transducers,RTD,Thermocouple etc
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