There are different kinds of statements. The statement that is true regarding the process-control relay ladder diagram shown in the figure (Image attached) is that;
- Only the temperature switch has to close for the motor to start.
Note that the pressure switch and the push button often occurs in stages or series and it is known to be parallel with the temperature switch.
The Relay Ladder Logic is known to be a primary programming language that is often used for programmable logic controllers (PLCs).
The ladder diagram often makes use of the contacts to show the switches, or any input. Note that the coil symbol often depicts the output. There is a line that is depicting an input/output and it is called a rung.
Pressure switches are said to be key parts that are used for managing or controlling the activation and deactivation of pumps in fluid systems.
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