Rockwell-automation T80011 Application Note Application Variable Limit Manual do Utilizador descarregar pdf (Página 1)

Trusted

AN-T80011

Issue 1 Dec 07 AN-T80011 1

Application Note

Application Variable Limit Check

Technical Alert TA20004 describes how an overflow in the numbering of temporary (internal un-

named) variables in a compiled application can cause corruption of I/O variables without warning. This

may occasionally affect large applications but is unlikely in small applications.

This document describes how to check for the temporary variable numbering overflow.

Issue Record

Issue

Number

Date Revised by Technical

Check

Authorised by Modification

1 Dec 07 Nick Owens Pete Stock Gerry Creech Initial Issue

1 2 3 4

TrustedTM AN-T80011 Issue 1 Dec 07 AN-T80011 1 Application Note Application Variable Limit Check Technical Alert TA20004 describes how an overflo

TrustedTM AN-T80011 Application Variable Limit Check Issue 1 Dec 07 AN-T80011 2 1. Application Variable Limit Check 1.1. Compiled file appli.h Co

TrustedTM AN-T80011 Application Variable Limit Check Issue 1 Dec 07 AN-T80011 3 In the example below, all variables addressed from 0X0000 onwards

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Rockwell-automation T80011 Application Note Application Variable Limit Manual do Utilizador Página 1