DPOS 400
49-TGDP4ES02
15
4.4 TISA cash register protocol
Protocol
Cash Register
Scale
98PPPPPCC
R
L
F
99SWWWWWEIIIIIICC
R
L
F
Where:
98:
0x38h y 0x39h
PPPPP:
5 characters for price.
C:
Checksum, logic add (XOR) of all previous characters.
C
R
:
0x0Dh
L
F
:
0x0Ah
99:
0x39h y 0x39h
S:
Weight status.
0: 0x30h Correct.
1: 0x31h Error.
WWWWW:
5 characters for weight.
E:
Amount status.
0: 0x30h Correct.
1: 0x31h Error.
IIIIII:
6 characters for amount.
NOTE:
-
If the weight is unstable the scale send the momentary weight with the value 1 on fields E and S and
amount field to 000000.
-
If the weight is negative or erroneous the scale sends the value 1 on fields E and S, the amount and
price fields to zero.
-
If the amount overflows the scale send zeros on the amount field.
-
The scale takes into account the minimum weight adjustment. If this adjustment has the value 1 the
scale sends the field S to 1 and the weight to zero if the weight is lower than 20 steps.
-
Between different requests the weight must vary at least 20 steps or pass through zero, otherwise the
scale sends the field S to 1 together to weight
.
-
If the scale has a tare weight, it sends the net weight in the field
WWWWW
.
Содержание DPOS400 SERIE
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