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FYI: weird stop bit behavior #49
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@MoritzBiester - 8N1 is a default settings for this lib and from the beginning I have been using such settings without any problem.
Basically this library does not affect the transmission, because it doesn't use its own implementations. |
The software is all working fine. This was just for information purpose. So if someone else runs into this issue, they dont have to spend a whole day debugging in the cold dark basement. It all works with no errors since two days.(8N2 --> 36000 measurements). |
Interesting information. |
Hi there!
First off all. Thank you for publishing your code here.
I used it to read out my SDM630 Modbus V2 in combination with an influxDB.
I ran in some issues when using the following settings:
SDM630: 2400baud, no parity, 1 stopbit
As you can see in the following picture the last stopbit of the response is out of spec. (only sometimes).
link to the unknown ;)
Fixed it by using 2 stop bits.
Have a nice day
M.Biester
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