DPOS 400
49-TGDP4ES02
19
4.8 DELTA cash register protocol
Protocol
Cash Register
Scale
DC
R
L
F
SWW.WWWC
R
L
F
/ NAK
Where:
D:
0x44h
C
R
:
0x0Dh
L
F
:
0x0Ah
S:
Weight sign
+:
0x2Bh
-:
0x2Dh
WWWWW:
5 characters for weight.
.:
0x2Eh
NOTE:
-
The scale does not respond until it has stable within range weight
-
The scale cannot answer with positive and negative weight.
-
If received frame format is incorrect, the scale responds with
NAK
.
-
The scale sends a blank space after the sign
S
. Then sends another blank space if the digit
corresponding to weight is zero (if the digit is not a zero sends that digit).
-
If the scale has a tare weight, it sends the net weight in the field
WWWWW
.
4.9 ALFA cash register protocol
Protocol
Cash Register
Scale
SWWW.WWWC
R
L
F
Where:
S:
Sign.
+:
0x2Bh
-:
0x2Dh
WWWWWW:
6 characters for weight.
.:
0x2Eh
C
R
:
0x0Dh
L
F
:
0x0Ah
NOTE:
-
The scale sends the data when the key
is pressed.
-
The scale sends positive or negative, stable weights within range. If they are unstable or out of range,
the scale wait until it has stable within range weight.
-
After the sign S is sent a zero on the frame sent by the scale. The first digit of the weight is set to
zero.
-
If the scale has a tare weight, it sends the net weight in the field
WWWWW
.
Содержание DPOS400 SERIE
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