Modbus Poll Bytes Missing Error Fixed Site

EMI from VFDs and missing termination resistor.

The master sends a packet, say, asking for 10 registers (20 bytes + Modbus header). modbus poll bytes missing error fixed

Even if bytes are not missing, always check CRC. A missing byte usually triggers a CRC error first, but not always. Verify both. EMI from VFDs and missing termination resistor

If the Slave device is slow or busy with other tasks, it may not respond in time, leading Modbus Poll to stop listening, resulting in a "bytes missing" or timeout error. A missing byte usually triggers a CRC error

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