What is a characteristic of the Ladder Diagram approach for programming controllers?
A.
Is similar to a low level programming language like assembly
B.
May be similar to high level computer programming languages like C
C.
Uses steps to execute commands and transitions to wait for conditions to move forward
D.
Based on circuit diagrams of relay logic hardware and operates on rules rather than procedures
The Answer Is:
D
This question includes an explanation.
Explanation:
Comprehensive and Detailed Explanation From Exact Extract:
Ladder Diagram (LD) programming is a graphical language used for PLC programming that visually resembles circuit diagrams of relay logic hardware (D). It is rule-based and designed to be intuitive for electricians and engineers familiar with relay control systems.
It is not similar to low-level assembly (A) or high-level languages like C (B).
Option (C) describes Sequential Function Charts (SFC), which use steps and transitions.
GICSP emphasizes Ladder Diagrams as a foundational method in industrial control logic design.
[Reference:, , GICSP Official Study Guide, Domain: ICS Fundamentals & Architecture, , IEC 61131-3 Standard on PLC Programming Languages, , GICSP Training on PLC Programming Methods]
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