Gram K3 SERIES, Operation Manual

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13.7. Communication protocol
The
K3
indicator is equipped with a communication protocol that allows the unit to
be commanded remotely.
The table below lists the available commands and the response of the K3 indicator.
COMMAND RESPONSE
v Returns a message with the identification of the “GRAM K3
Vxxxx” firmware version.
$ Weight request. The indicator transmits a frame of weight
information in a PC0 format.
z The scale performs auto-zeroing.
t The scale performs a tare.
f Increases the value of the digital filter (1..4). If the filter is 4,
the ‘f’ command sets the filter to 1.
H1 Programs line 1 of the ticket header and responds “H1 OK”.
H2 Programs line 2 of the ticket header and responds “H2 OK”.
H3 Programs line 3 of the ticket header and responds “H3 OK”.
F1 Programs the ticket’s footer line and responds “F1 OK”.
For commands H1, H2, H3 and F1, the format is the following:
0 1 2 3 4 5 6 … 30 31 32 33 34 35
STX C C L L L L … L L L L L ETX
Where:
STX
= ASCII 2
ETX = ASCII 3
C = Command (2 characters)
L = 32-character ASCII text line
14. TICKET PRINT OPTIONS
tIcEt