Tag: Tag is considered as a name that addresses a device. It is also called as a “variable” or a “symbol” whose name is defined based on the manufacturer of the PLC or device. Base tag, alias tag, produced tag and consumed tag are the types of tag in PLC. It is used for data representation and defining areas in the controller’s memory locations. Tags are the basic means for generating, referencing, and checking data in a program. When user wants to use or monitor data in a program, user can use tag names in order to refer the memory locations.

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Chapter 15.1, Problem 21RQ

Program Plan Intro

Tag:

Tag is considered as a name that addresses a device. It is also called as a “variable” or a “symbol” whose name is defined based on the manufacturer of the PLC or device.

Base tag, alias tag, produced tag and consumed tag are the types of tag in PLC.

It is used for data representation and defining areas in the controller’s memory locations.

Tags are the basic means for generating, referencing, and checking data in a program.

When user wants to use or monitor data in a program, user can use tag names in order to refer the memory locations.

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