Ladder Viewer and Ladder add-on (828D only)
23.20 Displaying cross references
Turning
806 Operating Manual, 03/2013, 6FC5398-8CP40-3BA1
23.20 Displaying cross references
You can display all the operands used in the PLC user project and their use in the list of
cross references.
This list indicates in which networks an input, output, bit memory etc. is used.
The list of cross references contains the following information:
● Block
● Address in the network
● Context (command ID)
Symbolic and absolute address
You can choose between specification in absolute or symbolic address.
Elements for which there are no symbolic identifiers are automatically displayed with
absolute identifiers.
Opening program blocks in the ladder diagram
From the cross references, you have the option of going directly to the location in the
program where the operand is used. The corresponding block is opened in window 1 or 2
and the cursor is set to the corresponding element.
Searching
Using a specific search, you can go directly to the location that you wish to view in more
detail:
● Search for operand
● Jump to sought line
Procedure
1. Ladder add-on tool is opened.
2. Press the "Cross refs." softkey.
The list of cross references appears and the operands are displayed
sorted according to absolute address.
3. Press the "Symbol. address" softkey.
The list of operands is displayed sorted according to symbolic address.
4. Press the "Absolute address" softkey to return to the display showing
the absolute addresses.
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