The programming device must be connected to the controller to run the program

Study for the Programmable Logic Controller (PLC) Test. Prepare with flashcards and multiple choice questions, each question provides hints and explanations. Get ready for your exam!

Multiple Choice

The programming device must be connected to the controller to run the program

Explanation:
The main idea is that a PLC runs only what is stored in its own memory, and that memory is populated by downloading the program from a programming device. To run a program, it must first be loaded into the controller, which requires a connection to transfer the code. Once the program is loaded, the PLC can execute it even if the programming device is disconnected, but starting or updating the program hinges on that initial connection. That’s why the statement is considered true in typical PLC practice.

The main idea is that a PLC runs only what is stored in its own memory, and that memory is populated by downloading the program from a programming device. To run a program, it must first be loaded into the controller, which requires a connection to transfer the code. Once the program is loaded, the PLC can execute it even if the programming device is disconnected, but starting or updating the program hinges on that initial connection. That’s why the statement is considered true in typical PLC practice.

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