Transmitters - devices used to amplify and format signals so that they are suitable for transmission over long distances with zero or minimal loss of information. A correction signal - the signal used to control power to the actuator to set the level of the input variable. An error signal - the difference between the set point and the amplitude of the measured variable. Born in the mountain enclave of Missoula, MT, Denver based Signal Path bends musical genres and deep melodic ideas around a core of unrelenting rhythm and. Programmable logic controllers (PLC) - used in process-control applications, and are microprocessor-based systems. It premiered at the 2014 Sundance Film Festival, and was theatrically released in the United States on June 13, 2014. The film stars Brenton Thwaites and Laurence Fishburne. Controllers - devices that monitor signals from transducers and take the necessary action to keep the process within specified limits according to a predefined program by activating and controlling the necessary actuators. The Signal is a 2014 American science fiction thriller film directed by William Eubank, and written by William and Carlyle Eubank and David Frigerio. Actuators - devices that are used to control an input variable in response to a signal from a controller. Converters - devices that are used to change the format of a signal without changing the energy form, i.e., a change from a voltage to a current signal. Transducers - devices that can change one form of energy to another, e.g.,a resistance thermometer converts temperature into electrical resistance, ora thermocouple converts temperature into voltage. Sensors - devices that can detect physical variables, such as temperature,light intensity, or motion, and have the ability to give a measurable output that varies in relation to the amplitude of the physical variable. Instrument - the name of any of the various device types for indicating or measuring physical quantities or conditions, performance, position, direction, and the like. ![]() Set point - the desired value of the output parameter or variable being monitored by a sensor. ![]() Manipulated variable - the input variable or parameter to a process that is varied by a control signal from the processor to an actuator.
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