Service manual

METTLER TOLEDO
DIVA Service Manual 54
Records for Communications from the Scale to a POS system
Record 02: Result of weighing (answer to records 01, 03, 04, 05)
STX
02 ESC X ESC D4 D3 D2 D1 D0 ESC D5 D4 D3 D2 D1 D0 ESC D5 D4 D3 D2 D1 D0 ETX
\_/ I \_______________/ \__________________/ \__________________/
Record I scale-weight unit price price to pay
No. status 5 digits 5/6 digits 6 digits
Scale status
30H = lb. : oz / 1/8 oz
31H = lb. / 0,01
32H = lb. / 0,005
33H = kg
Record 09: Status information (answer to Record 08)
STX 09 ESC S1 S0 ETX
\_/ \_____/
Record |
No. \ 00 no error
\ 01 general error
\ 02 parity error or buffer overflow
\ 10 invalid record no.
\ 11 invalid unit price
\ 12 invalid tare value
\ 13 invalid text
20 scale is still in motion (no standstill)
21 scale wasn’t in motion since last operation
22 measurement is not yet finished
30 weight is less than minimum weight
31 scale is less than 0
32 scale is overloaded
Record 11: Request of checksums (or answer to Record 10)
STX 11 ESC D0 Z ETX
\ _/ \ \___________ random number (only if D0 = 32H)
Record \
No. \ 30H = checksums invalid
\_______ 31H = checksums valid
32H = answer with rec. 10, use random number Z
Representation of random number Z like checksums (hexadecimal ASCII-char)