ABB NMBA-01 - Page 49

Appendix B – Modbus Protocol
NMBA-01 Installation and Start-up Guide B-11
Figure B-4 Slave Response with RTU Framing
RESPONSE
Field Name Example
(Hex)
RTU
8-Bit Field
Header None
Slave Address 06 0000 0110
Function 03 0000 0011
Byte Count 06 0000 0110
Data Hi 02 0000 0010
Data Lo 2B 0010 1011
Data Hi 00 0000 0000
Data Lo 00 0000 0000
Data Hi 00 0000 0000
Data Lo 00 0000 0000
Error Check CRC (16 bits)
Trailer None
Total Bytes: 11
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