WinCC internal tag to set external tag

barryoc

Lifetime Supporting Member
Join Date
Nov 2009
Location
Kilkenny
Posts
148
Hi everyone,

Can someone tell me if it is possible to use an internal tag in WinCC 7.2 to trigger a bit in a DB.

My setup is as follows;

S7 300 connected to WinCC 7.2 with OPC (CP343-1 Lean)
LOGO connected to OPC

I can read and write tags in the logo but i need an input on the logo to switch on a bit in th S7 300. I cant get the logo to talk directly to the S7 300 as the CP343-1 Lean only supports S7 connection as server.

Regards,
Barry.
 
FYI

I got this sorted by creating a global script triggered by a change in the tag on the logo to set a bit in the S7 300.

Regards,
Barry.
 

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