37
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.
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.
The scale performs auto-zeroing.
The scale performs a tare.
Increases the value of the digital filter (1..4). If the filter is 4,
the ‘f’ command sets the filter to 1.
Programs line 1 of the ticket header and responds “H1 OK”.
Programs line 2 of the ticket header and responds “H2 OK”.
Programs line 3 of the ticket header and responds “H3 OK”.
Programs the ticket’s footer line and responds “F1 OK”.
For commands H1, H2, H3 and F1, the format is the following:
Where:
STX = ASCII 2
ETX = ASCII 3
C = Command (2 characters)
L = 32-character ASCII text line
14.
TICKET PRINT OPTIONS