Edit PLC user program (828D only)
24.2 Ladder add-on tool
Turning
886 Operating Manual, 01/2015, 6FC5398-8CP40-5BA2
The failure of a single input, output or relay normally results in the failure of the complete
system.
Using the Ladder add-on tool, you can perform a PLC diagnosis in order to find fault causes
or program errors. You can directly make small corrections or modifications.
Generating an INT_100/INT_101 block
If an INT_100 or INT_101 block is missing, it can be added via the vertical softkey bar. If
these INT blocks exist in a project, they can be deleted via the vertical softkey bar. You also
have the opportunity to change the networks of interrupt routines on the control as well as to
save and load these changes.
Editing the interrupt routines
You can edit the following interrupt programs:
● INT_100 - interrupt program (is executed before the main program)
● INT_101 - interrupt program (is executed after the main program)
Using the Ladder add-on tool, you can "re-wire" inputs (via INT_100) or outputs (via
INT_101) for service purposes.
Note
Saving the PLC project when changing the operating area
If you have created INT_100/INT_101 blocks or inserted, removed or edited networks in an
INT block, you must save the project before you change from the PLC area into another
opera
ting area. Transfer the project into the PLC using the "Download to CPU" softkey. If
this is not done, all of the changes will be lost and must be re
-entered.
Please take the appropriate program note into consideration.
The editing of the INT_100 and INT_101 interrupt programs can be enabled or disabled.
Related information is contained in the Base Functions function manual, Chapter P4: PLC for
SINUMERIK 828D
Inserting and editing networks (Page 899)
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