192 • The Editors

The Graphic Editors

menu item can be executed at the same cursor positions as the corresponding commands in the Function Block Diagram.

With Input you can add a new input to the POU.

With Output you can add a new output to the POU.

With POU, you insert a new POU. The procedure is similar to that described under 'Insert' 'POU'.

With Assign you can insert an assignment to a variable. At first, this is shown by three question marks "???", which you edit and replace with the desired variable. Input assistance is available for this purpose.

5.4.3.11'Insert' 'Jump' in LD

With this command you can insert a parallel jump in the selected LD editor, in parallel, at the end of the previous coils. If the incoming line delivers the value "On", then the jump will be executed to the indicated label.

The marked position must be the connection between the contacts and the coilsor a coil.

The jump is present with the text "???". You can click on this text and make a change in the desired label.

5.4.3.12'Insert' 'Return' in LD

In the LD editor, you can use this command to insert a Return instruction in parallel at the end of the previous coils. If the incoming line delivers the value "On," then the processing of the POU in this network is broken off.

The marked position must be the connection between the contacts and the coilsor a coil.

5.4.3.13'Extras' 'Paste after' in LD

Mit diesem Befehl fügen Sie im KOP-Editor den Inhalt der Zwischenablage als seriellen Kontakt nach der Markierungsstelle ein. Dieser Befehl ist nur möglich, wenn der Inhalt der Zwischenablage und die markierte Stelle Netzwerke aus Kontakten sind.

5.4.3.14'Extras' 'Paste below'in LD

Shortcut: <Ctrl>+<U>

Use this command in the LD editor to insert the contents of the clipboard as parallel contact below the marked position. This command is only possible if the contents of the clipboard and the marked position are networks comprised of contacts.

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The Editors • 193

The Graphic Editors

5.4.3.15'Extras' 'Paste above' in LD

Use this command in the LD editor to insert the contents of the clipboard as parallel contact above the marked position. This command is only possible if the contents of the clipboard and the marked position are networks comprised of contacts.

5.4.3.16'Extras' 'Negate' in LD

Use this command to negate a contact, a coil, a jump or return instruction, or an input or output of EN POUs at the present cursor position .

Between the parentheses of the coil or between the straight lines of the contact, a slash will appear ((/) or |/|). If there are jumps, returns, or inputs or outputs of EN POUs, a small circle will appear at the connection, just as in the FBD editor.

The coil now writes the negated value of the input connection in the respective Boolean variable. Right at this moment, a negated contact switches the status of the input to the output, if the respective Boolean variable carries the value FALSE.

If a jump or a return is marked, then the input of this jump or return will be negated.

A negation can be canceled through renewed negation.

5.4.3.17'Extras' 'Set/Reset' in LD

If you execute this command on a coil, then you will receive a Set Coil. Such a coil never overwrites the value TRUE in the respective Boolean variable. This means that once you have set the value of this variable to TRUE, it will always remain at TRUE. A Set Coil is designated with an "S" in the coil symbol.

If you execute this command once again, then you will be given a Reset coil. Such a coil never overwrites the value FALSE in the respective Boolean variable. This means that once you have set the value of this variable to FALSE, it will always remain at FALSE. A Reset Coil is designated with an "R" in the coil symbol.

If you execute this command repeatedly, the coil will alternate between set, reset and normal coil.

5.4.3.18The Ladder Diagram in the Online Mode

In Online mode, the contacts and coils in the Ladder Diagram that are in the "On" state are colored blue. Likewise, all lines over which the "On" is carried are also colored blue. At the inputs and outputs of function blocks, the values of the corresponding variables are indicated.

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