Lenze DDS v2.3 Bedienungsanleitung PDF herunterladen (Seite 161)

Drive PLC Developer Studio

Editors

7-39

l DDS EN 2.3

In other words, programming of a network in the LD editor as in FBD merely requires prior insertion

of an EN operator into a new network before further-developing it as in the FBD editor. A network

developed like this acts like the associated network in FBD.

7.6.3.1 Operator with EN

Icon: - Menu: InsertWOperator with EN Keyboard: -

Use this command to insert an operator with EN input.

• The selected position must be the connection between contacts and coils or a coil.

The new operator is inserted in parallel to the coils below the selected one and is always an AND.

• This can be changed to any other operator by selecting and overwriting the text.

• Use the Help Manager ( <F2>) to select the required operator from the list of supported

operators.

7.6.4 Commands in the “Extras” menu

7.6.4.1 Paste after

Icon: - Menu: ExtrasWPaste after Keyboard: -

Use this command to paste the contents of the clipboard as serial contact behind the selected

position.

• This command can only be used if the contents of the clipboard and the selected position are

contact networks.

7.6.4.2 Paste below

Icon: - Menu: ExtrasWPaste below Keyboard: <Ctrl>+<U>

Use this command to paste the contents of the clipboard as parallel contact below the selected

position.

• This command can only be used if the contents of the clipboard and the selected position are

contact networks.

7.6.4.3 Paste above

Icon: - Menu: ExtrasWPaste above Keyboard: -

Use this command to paste the contents of the clipboard as parallel contact above the selected

position.

• This command can only be used if the contents of the clipboard and the selected position are

contact networks.

7.6.4.4 Negation

Icon: Menu: Extras WNegation Keyboard: <Ctrl>+<N>

Use this command to negate a contact, coil, jump/RETURN instruction or an input or output of an EN

organization unit at the current cursor position.

• A slash appears between the parentheses of a coil or the straight lines of a contact: (/) or |/|

• As in the FBD editor, jumps, returns, inputs and outputs of EN organization units are identified

with a small circle in the connection.

The coil now writes the negated value of the input connection to the associated Boolean variable.

• A negated contact switches the status of the input to the output exactly when the associated

Boolean variable returns the value FALSE .

• If a jump or return is highlighted, the input of the jump or return will be negated.

A negation can be deleted by another negation.

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