Lenze DDS Global Drive PLC Developer Studio - Manual (Page 5)

Function library LenzeCanDSxDrv.lib
Preface and general information
1.1 About this Manual
1−1
L
LenzeCanDSxDrv.lib EN 1.2
1 Preface and general information
1.1 About this Manual
This Manual contains information about function library LenzeCanDSxDrv.lib for the Drive PLC
Developer Studio.
·
With the functions of function library LenzeCanDSxDrv.lib it is possible to "map" CAN indices
received via the system bus interface within the PLC on codes other than the automatically
assigned codes.
·
The function library also provides functions/FBs for the implementation of the "Heartbeat" and
"Node Guarding" monitoring mechanisms to ensure the functionality of the system bus
devices.
1.1.1 Conventions 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 bEnable..."
Tip!
Information about the conventions used for the variables of Lenze system blocks, function blocks
and functions can be obtained from the appendix of the DDS online documentation "Introduction
into IEC 61131−3 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 FB L_XYZ..."
Program listings
are written in "Courier", keywords are printed in bold:
·
"IF (nValue1 < 0) THEN..."