General Measure GM8802C-D, User Manual, Page: 37 / 111

GM8802C-DWeighing Transmitter
34 GM8802C-D110101
Code
：
binary system
5.1.1 Continuous Mode(Cont)
Under this mode, the indicator will automatically transmit collected data to upper
computer without command. A complete data frame consists of five bytes: one mark byte; one
status byte and three data bytes(compressed BCD code, high-order ahead).
Data Mark byte Status byte BCD1 BCD2 BCD3
Description FFH Status byte
Main display:
the first and
second bit Main display:
the third and
fourth bit Main display:
the fifth and
sixth bit
The definition of “Status byte”:
Status byte(binary system)
D7 D6 D5 D4 D3 D2D1D0
no zero overflow stable
Plus/
minus
current decimal position
Fixed: 0
0: not zero
1
：
zero
0
：
normal
1
：
overflow
0
：
stable
1
：
unstable
0
：
plus
1
：
minus
100 011 010 001 000
4 bits 3 bits 2 bits 1 bit 0 bit