Serial Communication
Output Types
VT200/220 Technical Manual, Rev 1.00.01
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TM-VT200/220-EN
6.3.5
Alibi Transmit
Works with Port1 (RS232).
Transmits alibi serial number and gross weight for each transaction, when the
key is pressed. The record is transmitted in the following format:
SN 1234 012340 kgG
6.3.6
Alibi Mode Commands
When Alibi mode is active (
2.t
=09), these operations can be executed.
Transmit Displayed Weight
This is executed when ASCII character ? (3F hex) is received. The output data block
is as shown below:
Byte Name
Description
1
Weight status
Bit 0:
0=Normal
Bit 1:
0=Gross
Bit 2:
0=No Auto zero
Bit 3:
0=Within range
Bit 4:
0=No standstill
Bit 5:
0=Normal
Bit 6:
Must be always set to 1
Bit 7:
Zero or parity
1=No weight display
1=Net
1=Auto zero
1=Out of range
1=Standstill
1=Under minimum weighing range
2 Polarity
“+”
or
“-”
3-8
Weight
6 digits, including decimal point if any
9
Sync
Carriage return (0D hex) for end of transmission.
Command “ZERO”
Equivalent to pressing the front panel Zero key. This is executed when ASCII
character
0
(30 hex) is received. No data is returned to the host. Execution of the
command may be verified by examining the weight (command ?).
Print on Demand Character
When a demand character is received the unit saves the weight in its Alibi flash. It
then transmits the Alibi number and the weight, for example:
1234 012.340 kg