copy tag value

apetkov5

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Join Date
Aug 2007
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Posts
101
Dear all,

I have two plcs connected via ethernet to wincc flexible 2008 sp2.

First PLC is s7-300, and it is connected directly (connection 1)

Second PLC is Unitronics, ant it is connected via UniOPC server. (sonnection 2)

In WinCC flexi i have created tags...

First tag is integer from s7-300 (tag 1)

Second tag is integer from Unitronics (integer from uniOPC) (tag 2)

Now I nead to copy or transfer value of second tag form unitronics to first tag form s7-300.

Simplified, i nead that value form Unitronics PLC (tag 2) goes to s7-300 PLC (tag 1). And that is going cyclicly.

I can not connect two plcs directly....

Please send me some helpfull information.
 

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