Serial Communication
Output Formats
VT300 Technical Manual, Rev. A4
56
Doc # TM-VT300-EN
Gross-Tare-Net Weight Transmission
The output data format of the master-slave protocol is shown below:
|STX|Addr|=|0|Data Block|BCS2|BCS1|ETX
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:
Always 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
Net weight
6 digits, including decimal point if any.
9
“N”
Indicates that the preceding weight is net.
10-15
Net weight
6 digits, including decimal point if any.
16
“T” or “P”
“T” specifies that the preceding weight is a manual tare.
“P” specifies that the preceding weight is a preset tare.
17-22
Gross weight
6 digits, including decimal point if any
23
“G”
Indicates that the preceding weight is gross.
24
Scale number
Either 1 or 2.
