Lenze DDS Function library MemDrv - Manual (Page 5)

Function library LenzeMemDrv.lib
Preface and general information
1−1
l
LenzeMemDrv.lib EN 1.1
1 Preface and general information
1.1 About this Manual
This Manual contains information about the LenzeMemDrv.lib function library for the Drive PLC
Developer Studio.
·
The LenzeMemDrv.lib function library includes functions for read/write access to the
additional backup memory (RAM, FLASH) of the PLC.
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_":
·
Use the function L_MemCopyToRam..."
Program listings
are written in Courier", keywords are printed in bold:
·
IF (ReturnValue < 0)THEN..."