M241 PLCSystem Library Guide

M241 PLCSystem Library Guide

This document will acquaint you with the system functions and variables offered within the Modicon M241 Logic Controller. The M241 PLCSystem library contains functions and variables to get information and send commands to the controller system.

This document describes the data types functions and variables of the M241 PLCSystem library.

The following basic knowledge is required:

oBasic information on functionality, structure, and configuration of the M241.

oProgramming in the FBD, LD, ST, IL, or CFC language.

oSystem Variables (globales variables).