Multiple connections to plc when deploy instance

st-one-io / node-red-contrib-s7

A Node-RED node to interact with Siemens S7 PLCs

GNU General Public License v3.0

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Multiple connections to plc when deploy instance #102

Open avlpjwt opened 2 years ago

avlpjwt commented 2 years ago

Describe the bug

Every time we deploy the instance, it creates a new connection to plc and when it gets more than 32conn plc stops with conn limit

To Reproduce

Expected behavior

reset the connection to plc when deploy de instance

Dabbadoeber commented 2 years ago

Hi i have the Same issue with an IM151-8 No connection Anymore, even TIA is unable to connect, i think probably al Connection resource are full. is it possible to flush these ?

matthew-larner commented 1 year ago

I'm also seeing a similar issue when it fails to connect to the PLC - every time it retires, it opens another connection without closing the previous.