Lenze DDS Function library PLCToolBox Manuel d'utilisateur télécharger pdf (Page 5)

Function library LenzePLCToolBox.lib

Preface and general information

1.1 About this Manual

1−1

LenzePLCToolBox.lib EN 1.5

1 Preface and general information

1.1 About this Manual

This manual contains information about the LenzePLCToolBox.lib function library for the Drive PLC

Developer Studio.

· The LenzePLCToolBox.lib function library includes among other things functions and function

blocks, which enable "Byte", "Word" and "Double Word" data to be accessed bit by bit.

1.1.1 Conventions used in this Manual

This Manual uses the following conventions to distinguish between different types of information:

Variable identifiers

are written in italics in the explanation:

· "Use bReset..."

Tip!

Information about the conventions used for the variables of the Lenze system blocks, function blocks

and functions can be found in the appendix of the DDS online documentation "Introduction into

IEC61131−3 programming". The conventions ensure universal and uniform labelling and make

reading the PLC program easier.

Lenze functions/function blocks

can be recognized by their names. They always begin with an "L_":

· "With the function L_TBConvBitsToByte..."

Program listings

are written in "Courier", keywords are printed in bold:

· " IF (ReturnValue < 0) THEN..."

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Lenze DDS Function library PLCToolBox Manuel d'utilisateur Page 5