PLC Programming Flashcard

PLC Programming Flashcard

Assessment

Flashcard

Other

University

Practice Problem

Hard

Created by

Wayground Content

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15 questions

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1.

FLASHCARD QUESTION

Front

Which of the following PLC programming languages is most commonly used due to its resemblance to electrical relay logic? Function Block Diagram (FBD), Ladder Logic (LL), Structured Text (ST), Sequential Function Chart (SFC)

Back

Ladder Logic (LL)

2.

FLASHCARD QUESTION

Front

In a PLC program, what does an "AND" operation in Ladder Logic require?

Back

Both inputs to be true

3.

FLASHCARD QUESTION

Front

Which PLC programming language is text-based and similar to Pascal or C?

Back

Structured Text (ST)

4.

FLASHCARD QUESTION

Front

A PLC program in a cargo ship uses a comparator block to check if the ballast water level is within the set range. Which programming language is best suited for this task? Options: Instruction List (IL), Structured Text (ST), Function Block Diagram (FBD), Ladder Logic (LL)

Back

Function Block Diagram (FBD)

5.

FLASHCARD QUESTION

Front

What is the primary function of a PLC alarm system?

Back

To alert operators of abnormal conditions

6.

FLASHCARD QUESTION

Front

Which type of PLC alarm is triggered when a process variable exceeds a safe limit, such as high-temperature detection?

Back

High/Low-Level Alarm

7.

FLASHCARD QUESTION

Front

A PLC alarm prevents the ship’s engine from starting unless the shaft is properly aligned. What type of alarm is this?

Back

Interlock Alarm

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