Lenze PLC Designer ApplicationTemplate (PLC Designer R3- Instrukcja Użytkownika Pobierz pdf (Strona 27)

Lenze · ApplicationTemplate · 1.3 EN - 04/2013 27

Structuring the automation system: Standard procedure

Structuring within a machine module

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Recommendation - which function is to be called in which task?

5.2.2 Programming recommendations for structuring

The following table presents the structuring possibilities of the ApplicationTemplate as a decision

recommendation:

Which features of the ApplicationTemplate should I use and for what purpose?

Task/priority Function (example)

"High"

HighPriority

Execution of Motion functions

"Mid"

MidPriority

Conversion for an external visualization

"Free"

Unsolicited

NRT Ethernet communication

What do you want to do? FB Action Method More suitable

is...

Work with local variables z Local variables are to be

declared in the FB

assigned.

Local variables (if

possible) are to be

declared in the FB

assigned.

Debugging zzNo local variables Action, FB

Reuse:

In the event of an error (when

creating the user software), error

handling can be executed at one

point.

z - To a limited extent - for

instance if FBs are

integrated in the

method.

Example: "Statemachine"

in the

ApplicationTemplate

Instancing z --Action,

method

Access all data types zz zAction, FB,

method

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