PACSystems™ RX3i and RSTi-EP CPU Reference Manual Section 6
GFK-2222AK October 2019
Serial I/O, SNP & RTU Protocols 185
6.3.3.13.2 Response:
The normal response contains the data from the group of registers that were read. The
Byte Count field specifies the quantity of bytes to follow in the Read Data field.
Here is an example of a response to the query:
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