Displaying Information On The Program Blocks - Siemens SINUMERIK 840D sl Operating Manual

Ladder Viewer and Ladder add-on (828D only)

18.8 Displaying information on the program blocks

18.8 Displaying information on the program blocks
You can display all the logic and graphic information of a program block.
Display program block
In the "Program block" list, select the program block that you want to display.
Logic information
The following logic information is displayed in a ladder diagram (LAD):
● Networks with program parts and current paths
● Electrical current flow through a number of logical operations
Further information
● Properties
Name of the block, author, number of the subprogram, data class, date it was generated,
date of the last change and comment.
● Local variable
Name of the variable, variable type, data type and comment.
Access protection
Displaying the program status
Display progress status
If your PLC has the function "Progress status" available, the status values are displayed at
the time of execution of the operations. The status of the local data memory and the
accumulators is also displayed.
Change colors for displaying of progress or program status
In progress status, different colors are used to display information.
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If a program block is password-protected. The ladder diagram display
can be enabled using the "Protection" softkey.
1. Press the "Program stat. OFF" softkey to hide the program status in the
status display.
2. Press the "Program stat. ON" softkey to unhide the program status in
the status display.
1. Press the "Program stat. OFF" softkey to hide the program status in the
status display.
2. Press the "Program stat. ON" softkey to unhide the program status in
the status display.
Operating Manual, 01/2015, 6FC5398-6AP40-5BA2
Universal