Grow GM66 - 9. Appendix A: Common Serial Port Instructions; Serial Port Command Examples

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9 Appendix A：Common serial port instruction
Function
Instruction
Baud rate to 9600
7E 00 08 01 00 D9 D3 20 38
Save settlements to EEPROM
7E 00 09 01 00 00 DE C8
Find baud rate
7E 00 07 01 00 2A 02 D8 0F
Module will return following info after mainframe send serial port instruction - find baud rate
Return information
Baud rate
02 00 00 02 C4 09 SS SS
1200
02 00 00 02 71 02 SS SS
4800
02 00 00 02 39 01 SS SS
9600
02 00 00 02 D0 00 SS SS
14400
02 00 00 02 9C 00 SS SS
19200
02 00 00 02 4E 00 SS SS
38400
02 00 00 02 34 00 SS SS
57600
PS：SS SS= check value。