s7 db strings

dh5306 · Jan 17, 2010

hi
does anybody know how to monitor string values
in S7 V5.4.DBs
Im sure i,ve seen it done

thanks

JOLTRON · Jan 17, 2010

Create a VAT.

Insert a new object into your program called a variable table and you can monitor from there.

You cannot monitor directly in a DB.

Hope this helps.
-Joel

dh5306 · Jan 18, 2010

i know about VAT tables but im a sure there is a way to monitor strings in a db.

JOLTRON · Jan 18, 2010

As far as I know it isn't possible. I've been working with Step 7 for 5 years now. But there are many people on this site with alot more knowledge so maybe they will chime in.

Bratt · Jan 18, 2010

Its possible to see the current values if you open the datablock online or switch from offline/online view. Not the googles real online view!!!! Then you will see the latest string values. This will not update you will have to toogle offline/online to update the values.

dh5306 · Jan 18, 2010

thanks bratt
i knew i,d seen it done

s7 db strings

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