Test y Ajustes
52
4.39 DIALOG 06 protocol without attend to tare
Protocol
There are four different frames.
Frame 1
Cash Register Scale
E
T
S
X
01E
C
PPPPPPE
C
E
X
Frame 2
Cash Register Scale
E
T
S
X
03E
C
PPPPPPE
C
TTTTE
X
Frame 3
Cash Register Scale
E
T
S
X
04E
C
PPPPPPE
C
MMMMMMMMMMMMME
X
Frame 4
Cash Register Scale
E
T
S
X
05E
C
PPPPPPE
C
TTTTE
C
MMMMMMMMMMMMME
X
From the 4 different frames the protocol function as follows
Cash Register Scale
A
K
E
T
E
Q
S
X
02E
C
3E
C
WWWWWE
C
PPPPPPE
C
IIIIIIE
T
E
T
If there is an error situation, the scale responds with NAK. These errors can be
identified sending the status frame:
Cash Register Scale
E
T
S
X
08E
T
S
X
09E
C
S
1
S
2
E
T
Where:
E
T
: 0x04h
S
x
: 0x02h
A
K
: 0x06h
E
C
: 0x1Bh
E
Q
: 0x05h
0: 0x30h 1: 0x31h
2: 0x32h 3: 0x33h
4: 0x34h 5: 0x35h
WWWWW: 5 characters for weight
PPPPPP: 6 characters for price
IIIIII: 6 characters for amount
TTTT: 4 digits for the PLU tare
MMMMMMMMMMMMM: 13 digits for the PLU description ( ignored by the scale)
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