Rockwell-automation Logix5000 Controllers Sequential Function Charts P Manuale Utente Scaricare il pdf (Pagina 6)

Table of contents

End the SFC ................................................................................................................ 45

Use a stop element ............................................................................................. 45

Restart (reset) the SFC ..................................................................................... 46

SFC_STOP structure ....................................................................................... 47

Nest an SFC ................................................................................................................ 48

Pass parameters ................................................................................................... 49

Configure when to return to the OS/JSR ........................................................... 49

Pause or reset an SFC................................................................................................ 50

Execution diagrams.................................................................................................... 50

Chapter 2

Introduction................................................................................................................ 55

Add and manually connect elements ............................................................ 55

Add and automatically connect elements .................................................... 56

Drag elements...................................................................................................... 56

Create a simultaneous branch................................................................................. 56

Start a simultaneous branch ............................................................................ 56

End a simultaneous branch.............................................................................. 57

Create a selection branch ......................................................................................... 58

Start a selection branch ..................................................................................... 58

End a selection branch ...................................................................................... 59

Set the priorities of a selection branch.................................................................. 59

Connect a wire to the step ....................................................................................... 60

Hide a wire................................................................................................................... 61

Configure a step ......................................................................................................... 62

Assign the preset time for a step ..................................................................... 62

Configure alarms for a step .............................................................................. 62

Use an expression to calculate a time ............................................................ 63

Program a transition.................................................................................................. 64

Enter a BOOL expression ................................................................................ 64

Call a subroutine when programming a transition.................................... 65

Add an action .............................................................................................................. 65

Configure an action................................................................................................... 65

Change the qualifier of an action ................................................................... 65

Calculate a preset time at runtime ................................................................. 66

Mark an action as a BOOLean action........................................................... 67

Program an action ...................................................................................................... 67

Enter structured text ......................................................................................... 67

Call a subroutine in an action ......................................................................... 68

Assign the execution order of actions ................................................................... 69

Program a sequential

function chart

6 Rockwell Automation Publication 1756-PM006F-EN-P - October 2014

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Rockwell-automation Logix5000 Controllers Sequential Function Charts P Manuale Utente Pagina 6

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