60
SBI521 Service Manual
Table 6.1 Symbols Used
Table 6.2 Bit Definition of H
1
H
2
H
3
H
4
<LF>
Line Feed character (hex 0AH)
<CR>
Carriage Return character (hex 0DH)
<ETX>
End of Text character (hex 03H)
<SP>
Space (hex 20H)
H
1
H
2
H
3
H
4
Four current status bytes
<P>
Polarity character: "?" or " "
W 1---W6
Reading data, 1-6 bytes (six digits)
<DP>
Decimal point
U
1
U
2
U
3
U
4
U
5
Measure units, kg, lb, lb:oz, % or pcs; 2-5 bytes
<Add>
Address of scale; 2 bytes (00-99)
<Prompt>
Prompt characters of output content; max. 11bytes
Bit
Byte 1 (H
1
)
Byte 2 (H
2
)
Byte 3 (H
3
)
Byte 4 (H
4
)
0
0 = stable
0 = not under capacity 00 = compare disable
01 = lower limit
10 = ok
11= upper limit
00 = normal weighing
01 = count weighing
10 = percent weighing
11 = other mode
1 = not stable
1 = under capacity
1
0 = not at zero point 0 = not over capacity
1 = at zero point
1 = over capacity
2
0 = RAM ok
0 = ROM ok
0 = gross weight
0 = not in HOLD
1 = RAM error
1 = ROM error
1 = net weight
1 = in HOLD
3
0 = eeprom OK
0 = calibration ok
0 = initial zero ok
0 = battery ok
1 = eeprom error
1 =calibration error
1 = initial zero error
1 = low battery
4
always 1
always 1
always 1
always 1
5
always 1
always 1
always 1
always 1
6
always 0
always 1
always 1
always 0
7
parity
Parity
parity
Parity
