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uModbus on Raspberry Pi #115

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dporada opened this issue Feb 9, 2021 · 0 comments
Open

uModbus on Raspberry Pi #115

dporada opened this issue Feb 9, 2021 · 0 comments

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@dporada
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dporada commented Feb 9, 2021

I'm trying to add modbus RTU communications to a raspberry pi board with a USB to RS485 converter. I set up the server sample code on the raspberry pi and I am using Modbus Poll to send the requests. Watching the transmit and receive LEDs on the sending side, I am seeing a large timing difference between transmit and receive. I am seeing delays between 150mS and 800mS. Any ideas?
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@dporada