Lenze PLC Designer PLC Designer (R2-x) - Manual (Page 337)

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Editors in PLC Designer

DMS 3.2 EN 02/2011 TD29 335
Changing connections
A connection between the output of an element E1 and the input of an element E2
can easily be changed into a connection between the output of element E1 and the
input of element E3. The mouse is clicked on the input of E2, the left mousekey is kept
depressed, the mouse cursor is moved to the input of E3 and then released.
Deleting connections
There are a number of possibilities for removing the connection between the output
of an element E1 and the input of an element E2:
Select the output of element E1 and press the <Delete> key or execute the command
'Edit' 'Delete'. Several connections will be removed at the same if the output of E1 is
connected to more than one of inputs.
Select the input of element E2 and press the <Delete> key or execute the command
'Edit' 'Delete'.
Select the input of E2 with the mouse, hold the left mousekey depressed and drag the
connection from the input to E2 away. The connection is removed when the left
mousekey is released in a free area of the screen.
Insert inputs/outputs "on the fly"
If exactly one input or output pin of an element is selected, then the corresponding
input- or output- element can be directly inserted and its editor field filled with a
string by entering the string at the keyboard.
Order of execution
The elements block, output, jump, return and label each possess a number indicating
the order in which they are executed. In this sequential order the individual elements
are evaluated at run time.
When pasting in an element the number is automatically given according to the
topological sequence (from left to right and from above to below). The new element
receives the number of its topological successor if the sequence has already been
changed and all higher numbers are increased by one.
The number of an element remains constant when it is moved.
The sequence influences the result and must be changed in certain cases.
If the sequence is displayed, the corresponding sequential execution number is shown
in the upper right hand corner of the element.