Test y Ajustes
58
4.42 DIBAL Terminal protocol
Protocol
Cash Register
Scale
9APPPPPPCC
R
L
F
A
K
/ NAK
98PPPPPPCC
R
L
F
A
K
/ NAK
9BSWWWWWPPPPPPEIIIIIICC
R
L
F
A
K
/ NAK
Where:
9A:
0x38h y 0x41h
98:
0x38h y 0x39h
PPPPPP:
6 characters for price.
C:
Checksum, login add (XOR) of all previous characters.
C
R
:
0x0Dh
L
F
:
0x0Ah
A
K
:
0x06h
9B:
0x39h y 0x42h
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:
-
When the key (undefined) is pressed the scale sends price request frame with displayed price. If the
scale receives an
ACK
, then it will receive a frame with the price. If the scale receives a
NAK
instead
an
ACK
, it will send again the price request frame.
-
The scale responds with a
NAK
if it receives the price or the checksum erroneous.
-
When the total key is pressed the scale waits until it has a stable, positive within range weight to send
the weight, price and amount frame.
-
If there is not weight (00.000), the scale does not send the price, weight and amount frame when the
total key is pressed.
-
If the amount overflows, the scale does not send the price, weight and amount frame when the total
key is pressed.
-
If the scale receives a
NAK
instead
ACK
, it will send the appropriate frame (
9APPPPPPCC
R
L
F
or
9BSWWWWWPPPPPPEIIIIIICC
R
L
F
).
-
Between different requests the weight must vary at least 20 steps or pass through zero, otherwise the
scale will not respond.
-
The scale takes into account the minimum weight adjustment. If this adjustment has the value 1, the
scale will not respond if the weight is lower than 20 steps.
Contact with the technical support department for more information.
Содержание DPOS400 SERIE
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