Examlex
Describe the systems viewpoint and provide examples of each of the four associated parts using a real or fictitious company.
Input Device
A hardware or component that allows information to be provided to a computer or machine, such as a keyboard, mouse, or sensor.
Output Device
An apparatus that converts electrical signals into physical actions or representations, such as actuators, motors, or displays.
Actual Scan Time
The real time taken for a PLC to complete one cycle of reading inputs, executing the program, and updating outputs.
PLC's Memory
The storage area in a Programmable Logic Controller where data, instructions, and system information are kept for processing and control tasks.
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