27
12.3.
Frame format PC0
The indicator sends the following byte frames (always 14 bytes in length).
0
1
2
3
4
5
6
7
8
9
10
11
12
13
02h 69h 20h 20h 20h 30h 2Eh 30h 30h 30h 6Bh 67h 0Dh 03h
STX
‘I’
spc spc spc 0
.
0
0
0
k
g
CR
ETX
0 Start of text.
1 Status (tare, zero, net, stable, unstable).
2
Sign (blank space if value is positive, or ‘
-
‘ if negative.
3..9 Numerical value (ASCII) of the weight shown on the LCD display, including the
decimal point.
10..11 Measurement
unit: ‘g’, ‘kg’, ‘oz’, ‘lb’
.
12 Carriage return.
13 End of text.
The status byte is built from the binary values of the display indications (tare, zero,
gross/net and stability). 20h is added to the result to ensure that the result is
printable.
Bit 0 (01h)
The transmitted value is the gross weight.
Bit 1 (02h)
A tare is set.
Bit 2
Not used, always 0.
Bit 3
(08h)
The indicator is set to zero.
Bit 4
Not used, always 0
.
Bit 5
Not used, always 0.
Bit 6 (40h)
The weight is stable.
Bit 7
Not used, always 0.
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
N/A
Stability
N/A
N/A
Zero
N/A
Tare
B / W