A Move to Symbolic Rather Than Written Signs Is Intended

question 46

Essay

A move to symbolic rather than written signs is intended to create a visual language which can be understood by all languages and cultures.Select five of these signs and discuss how effective they are in terms of their message.

---

Definitions:

Examine If Open

A programming instruction used in PLCs to check if a specific input or switch is not activated or in an open state.

XIO

An acronym for "Examine if Open," an instruction in PLC programming that checks if a specified input or bit is OFF.

Ladder Logic

Ladder Logic is a graphical programming language used in programmable logic controllers (PLCs) to represent digital logic circuits and is designed to resemble electrical relay logic diagrams.

Input Instructions

Commands in a programming or control system that specify the conditions under which certain actions are to be taken.