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S7 Symbolic Legacy Issue

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(@brett)
Posts: 1
Member
Topic starter
 

Hi, I am having trouble with connecting to an S7-1200 PLC via legacy symbolic. Via a quickhmi project it has successfully connected and run one time, but mostly i get timeouts. The S7 tag checker connects, reads and writes perfectly, and importing tags from the PLC works perfectly too. Why am I having trouble with this connection in the quickhmi runtime? I have no password configured which works in the tag checker. 

 
Posted : 25/11/2025 10:38 am CET
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(@s-garbade)
Posts: 11
Member Admin
 

Hello Brett, 

This is a known issue. It will be fixed in the next update. The update will be released in the next few days.

 
Posted : 27/11/2025 11:10 am CET