Let PLC know snap7 is connected #398
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Is it possible to let TIA portal know if snap7 is connected or not, just like other IO? |
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Replies: 4 comments
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you can simply just write a boolean tag in some DB in PLC using snap7 to indicate it, I assume... |
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I can remember, that the number of Clients of the protocol snap7 is using is limited on a plc. I haven't got TIA at the moment, but perhaps there is a functionality? |
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您好，邮件已收到。谢谢！
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Closing as answered. The recommended approach is to write a boolean heartbeat tag to a DB in the PLC to indicate connectivity. |
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you can simply just write a boolean tag in some DB in PLC using snap7 to indicate it, I assume...