Modbus Poll Bytes Missing Error Fixed !!top!!

The serial buffer now flushes every 1 ms, preventing truncation of final bytes.

A water treatment plant engineer uses Modbus Poll to read flow meter data over a 500-meter RS485 cable. The error appears randomly every 30 seconds. modbus poll bytes missing error fixed

Go to Windows Device Manager > Ports > COM Port > Advanced. Try lowering the Transmit and Receive FIFO buffers. This forces the driver to process smaller chunks of data more frequently, preventing byte loss. 5. Check Slave ID and Register Limits The serial buffer now flushes every 1 ms,

Partial data, timeouts, or repeated retries. or repeated retries.