Lenze DDS v2.3 Manual de usuario descargar pdf (Pagina 186)

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DDS EN 2.3

Example of a declaration

PROGRAM flags

VAR

SFCEnableLinit:BOOL;

SFCError:BOOL;

SFCErrorStep:STRING;

SFCReset AT %IX1.0.2: BOOL;

SFCInit AT %IX1.0.3:BOOL;

END_VAR

SFCQuitError

Variab le of t yp e BOOL.

Processing of the SFC diagram will be suspended as long as this variable is TRUE , resetting a

potential timeout in variable SFCError . Resetting the variable to FALSE will reset all previous times

in the active steps.

SFCPause

• Variab le of t yp e BOOL.

• Processing of the SFC diagram will be suspended as long as this variable is TRUE .

SFCTrans

• Variab le of t yp e BOOL.

• This variable is set to TRUE if a transition becomes TRUE.

SFCError

• Variab le of t yp e BOOL.

• This variable will be set if a timeout has occurred in an SFC diagram.

SFCErrorStep

• Variab le of t yp e String.

• In the event of timeout, this variable saves the name of the step that caused the timeout.

SFCErrorPOU

• Variab le of t yp e String.

• In the event of a timeout, this variable saves the name of the organization unit in which the

timeout occurred.

SFCCurrentStep

• Variab le of t yp e String.

• This variable saves the name of the active step independently of the time limits.

• In the case of parallel branching, the step will be saved in the branch on the extreme right.

SFCTip, SFCTipMode

These variables of type BOOL allow the tip area of SFC. If that is activated by

SFCTipMode= TRUE , advance to the next step is possible only by setting SFCTip to TRUE.Aslong

as SFCTipMode is set to TRUE , advance is also possible via the transitions.

SFCErrorAnalyzation

This variable is of type STRING.IftheSFCflagSFCError registers a timeout,

SFCErrorAnalyzation will output the responsible variables or transition expressions.

This function requires the library Analyzation.lib to be integrated into the DDS project.

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