Lenze PLC Designer Migration PLC Designer (R2-x)-PLC Des Instrukcja Użytkownika Pobierz pdf (Strona 11)

Lenze · PLC Designer | Migration of V2.x projects · 1.2 EN - 02/2013 11

General information

Preparing PLC projects in the »PLC Designer« V2.x

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5 General information

This chapter describes the alterations necessary for importing the projects created in the »PLC Desi-

gner« V2.x into the version V3.0.

5.1 Preparing PLC projects in the »PLC Designer« V2.x

Preconditions/requirements

In order to be able to import a PLC project from the »PLC Designer« V2.x to V3.x, the following pre-

conditions are required:

Libraries used in the project...

• must not

have any references to external files

• must be able to be compiled. Convert libraries

( 21)

Precondition Information/example Remedy

It must be possible to compile the

project in the »PLC Designer« version

2.3 without any errors

When an error-free »PLC Designer«

V2.x project is compiled, many war-

ning signals are displayed in the »PLC

Designer« V3.

These are implicit conversions where

information can get lost. (for in-

stance a sign reversal)

The warning signals must be evalua-

ted individually.

The initialisation of variables with

constants is checked more carefully

in the »PLC Designer« V3.x:

•Example: byte_var : BYTE :=

word_constant; if V2.x no

er-

ror is in the »PLC Designer« V2.x -

an error message is generated du-

ring the import to V3.

Correcting in the V2 project: Observe

correct type data.

In the »PLC Designer« V3.x, cases are

checked against the switch variable:

• CASE USINT OF INT is not che-

cked in the »PLC Designer« V2.x -

during the import into V3 an error

message is generated.

Correcting in the V2 project: Observe

correct type data in a case instruc-

tion.

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