MODBUS TX: 01 03 00 04 00 01 C5 CB (CRC)
MODBUS RX: 01 03 02 00 03 F8 45 (total: 7 bytes)
Data Value:     0x0003 (3)
Received CRC:   0x45F8
Calculated CRC: 0x45F8
CRC Check: PASSED