Sample:

Send instruction:

Word Head

Device Address

Frame Length

Command Word

Checksum

0x55 0xAA

0x11

0x00

0x21

0x55

Return instruction:

Word Head

Device Address

Frame Length

Command Word

Content1

Content2

Content3

0x55

0xAA

0x11

0x14

0x21

0x00 0x00 0x00 0x00 0x00 0x00

Content4

Content5

Content6

Content7

Content8

Content9

Content10 Checksum

0x00 0x01 0x00 0x66

0x00 0x99

0x00 0x66

0x00 0x99

0x00 0x66 0x00 0x99

0x46



Set address for the model --0x55

Command:

Word Head

Device Address

Frame Length

Command Word

Content

Checksum

0x55

0xAA

0xAB

0x01

0x55

0x22

SUM

Return Value:

Word Head

Device Address

Frame Length

Command Word

Content

Checksum

0x55

0xAA

0xAB

0x01

0x55

0x22

SUM

Instruction Description: 0xAB is broadcast address,that is, it is shared address of all models.

Send 0x55 to address 0xAB in order to set model address in the uncertain model status

According to new device address,model will return 0x55 after address set successfully; In manual

status,sending 0x55 can't set current device address,if the product can set device address manually

and automatically.Then, the return value is 0xFE that illustrates product in manual setting address

status.