Architecture: the applicationtemplate in detail – Lenze PLC Designer ApplicationTemplate (PLC Designer R3-x) User Manual

Page 75

Advertising
background image

Lenze · ApplicationTemplate · 1.3 EN - 04/2013

75

Architecture: The ApplicationTemplate in detail

The AppChannelData structure(ACD)

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _

In the program part of the module application (MAP), access to the ACD structure by the

AccessACD() method is to be ensured:

[9-10] Program part of the MAP_Module1_App1 module application: Certify access to the ACD structure

This renders a read/write access by means of the reference and the Intellisense function to the data

contents of the ACD structure possible:

[9-11] Command for writing data to the ACD structure

9.2.3

Accessing an ACD structure - by means of the module application of the MFB master

module

[9-12] Schematic diagram: Accessing the ACD structure from the master module application (MAP) (MM_Machine)

In order that an application of the master module can access the ACD structure of a lower-level

machine module, a pointer and reference to the ACD structure of the slave have to be declared in

the declaration part of the master module application.

Advertising