A pump motor in an industrial plant will start only if the temperature and pressure of liquid in a tank exceed a certain level. The temperature sensor and pressure sen- sor, shown in Figure 2.47 each produce a logic HIGH if the measured quantities exceed this value. The logic circuit interface produces a HIGH output to turn on the motor. Draw the symbol and truth table of the gate that corresponds to the action of the logic circuit. 2.15 Temperature sensor Logic Pump motor Pressure sensor FIGURE 2.47 Problem 2.15: Temperature and Pressure Sensors Ans:

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A pump motor in an industrial plant will start only if the temperature and pressure
of liquid in a tank exceed a certain level. The temperature sensor and pressure sen-
sor, shown in Figure 2.47 each produce a logic HIGH if the measured quantities
exceed this value. The logic cirçuit interface produces a HIGH output to turn on the
motor. Draw the symbol and truth table of the gate that corresponds to the action of
the logic circuit.
2.15
Temperature
sensor
Logic
Pump
motor
Pressure
sensor
FIGURE 2.47 Problem 2.15: Temperature and Pressure Sensors
Ans:
Transcribed Image Text:A pump motor in an industrial plant will start only if the temperature and pressure of liquid in a tank exceed a certain level. The temperature sensor and pressure sen- sor, shown in Figure 2.47 each produce a logic HIGH if the measured quantities exceed this value. The logic cirçuit interface produces a HIGH output to turn on the motor. Draw the symbol and truth table of the gate that corresponds to the action of the logic circuit. 2.15 Temperature sensor Logic Pump motor Pressure sensor FIGURE 2.47 Problem 2.15: Temperature and Pressure Sensors Ans:
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