Protection of blocks in step 7

Its really a good thing... thank you so much and thanks a lot for this.

wonderful hunting :)

>Hmmm, locked blocks! You buy a machine,
>go in to work on a machine or inherit a
>machine with an S7 PLC fitted. You want
>to either diagnose a fault, modify some
>code or extend the functionality... but
>someone has kindly locked several of the
>function blocks!

---- snipped by moderator ----

>Good hunting.
 
Mr Sathish can't understand, could you elaborate for me.

>Its really a good thing... thank you so much and thanks a lot for this.

>> Hmmm, locked blocks! You buy a machine, go in to work on a machine or inherit a
>> machine with an S7 PLC fitted. You want to either diagnose a fault, modify some
>> code or extend the functionality... but someone has kindly locked several of the function blocks!
 
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