Determine tcpclient connection has been lost

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AMitchneck
Posts: 137
Joined: Mon Jun 11, 2012 2:10 pm

Determine tcpclient connection has been lost

Post by AMitchneck »

Is it possible to determine when a tcpclient object's connection has been lost?

When I try to use the "Connected" property I get a compile error that it does not exist.

Thanks.
Adam M.
Controls Engineer
FlexEnergy

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Russ C.
Posts: 213
Joined: Thu Nov 16, 2017 3:32 pm
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Re: Determine tcpclient connection has been lost

Post by Russ C. »

We recommend using the built in system tags for communication errors on the controllers.

You could also use a heart-beat solution where at an interval the panel sets a bit on the PLC to low, and the PLC sets its to high.

Lastly you could use a PING command on an interval. Attached is an example project that uses the PING command.
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Simple_Ping_POC.zip
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Best regards,

Russ
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