Response
0E
hex
Modbus RTU checksum
E8
hex
(silence for > 3.5 bytes) End of Modbus RTU frame
Communication description
Register number 23 (1-based Modbus register number) = address
0016
hex
(0-based address used in actual
communication).
Data format Two 16-bit Modbus registers interpreted as IEEE
754 binary32 floating point value, least
significant word first.
Returned value 40400000
hex
, which is binary32 representation
of 3 (ppm).
Appendix A – Modbus reference
119
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