WEGE WZ6012, Instructions For The Use, Page: 51 / 53

51
Appendix 1 Communication Protocol
Frame format command
：
Frame length is 20, The format is as follows
：
Synchro
head Power
address Command
word 4-19 bytes are related
information content Check
code
When the device receives a frame setting command
，
The command of this frame
will be verified. If the checksum is wrong
，
Then return parameter 90H
；
If the setting parameter is wrong or the parameter overflows
，
Then return
parameterA0H
；
If the command cannot be executed
，
Then return parameter B0H
；
If the command is invalid
，
Then parameter C0H is returned
；
If the command is
unknown
，
Then return parameter D0H
；
Otherwise, return parameter 80H
。
When the load receives a frame read command, it will check the frame
command: if the check sum is correct, it will return the corresponding read data. If
the check sum is wrong, the check command (90H) is returned.