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WAGO-I/O-PRO 32 V2.2 Overview

45

The Standard

 

 

 

2.5.9 Log

The log chronologically records user actions, internal processes, state changes and exceptions during Online mode processing. It is used for monitoring and for error tracing (see Online Functions).

2.6 The Standard

The standard IEC 61131-3 is an international standard for programming languages of Programmable Logic Controllers.

The programming languages offered in WAGO-I/O-PRO 32 conform to the requirements of the standard.

According to this standard, a program consists of the following elements:

Structures (see chapter Data Types of the Online Help chapters)

POUs

Global Variables

The general language elements are described in the sections Identifier,

Addresses, Types, Comments, and Constants.

The processing of a WAGO-I/O-PRO 32 program starts with the special POU PLC_PRG. The POU PLC_PRG can call other POUs.

WAGO-I/O-SYSTEM 759 WAGO-I/O-PRO 32