TECO A510s - Page 419

4-341
RTU Mode
Command Message Response Message (Normal) Response Message (Error)
Node Address 01H Node Address 01H Node Address 01H
Function 10H Function 10H Function 90H
Starting
Register
High 25H
Starting
Register
High 25H Exception code 03H
Low 01H Low 01H
CRC-16
High 0CH
Number of
Registers
High 00H
Number of
Registers
High 00H Low 01H
Low 02H Low 02H
Number of Bytes* 04H
CRC-16
High 1BH
DATA 1
High 00H Low 04H
Low 01H
DATA 2
High 17H
Low 70H
CRC-16
High 60H
Low 27H
* Data amount is register amount x 2