Lenze DDS v2.3 - Manual (Page 168)

Drive PLC Developer Studio
Editors
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DDS EN 2.3
7.7.6 Commands in the “Extras” menu
7.7.6.1 Negation
Icon: Menu: ExtrasWNegation Keyboard: <Ctrl>+<N>
Use this command to negate inputs, outputs, jumps or RETURN instructions in the CFC editor.
The symbol for the negation is a small circle on a connection.
•
Selected inputs will be negated.
•
Selected outputs will be negated.
•
If a jump or a RETURN is selected, the input of this jump or RETURN will be negated.
A negation can be deleted by another negation.
7.7.6.2 Set/ Reset
Icon: Menu: ExtrasWSet/Reset Keyboard: <Ctrl>+<T>
Use this command to define outputs as Set or Reset outputs in the CFC editor.
The input of a Set output is identified with an [S], the input of a Reset output with an [R].
•
A Set output is set to TRUE if its input returns TRUE. The output now retains this value even if
its input status changes to FALSE.
•
A Reset output is set to FALSE if its input returns TRUE. The output now retains this value
even if its input status changes to FALSE.
If the command is executed more than once, the output changes between Set, Reset and normal
output.
7.7.6.3 Mark all
Icon: Menu: ExtrasWMark all Keyboard: <Ctrl>+<I>
This command marks all objects (blocks, instructions) in the active CFC editor
The marked objects can be edited simultaneously.
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Cut
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Undo
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Shift
For this purpose an object must be clicked with the left mouse key. All objects can be shifted
simultaneously.
•
Negations
For objects with inputs, negations are created.
•
etc.
7.7.6.4 EN/ ENO
Icon: Menu: ExtrasWEN/ENO Keyboard: <Ctrl>+<I>
Use this command to extend a box selected in the CFC editor by an additional enable input EN and
an enable output ENO for BOOL-type variables.
•
A box with EN input/ENO output will only be executed if the EN input returns TRUE.
•
After a box with EN input/ENO output has been executed, the ENO output returns TRUE,
otherwise FALSE.
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