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SBI521 Service Manual
Command: U<CR> (55h 0dh)
Command: L<CR> (4ch 0dh)
Command: X<CR> (58h 0dh)
Command: all others
Table 6.3 Summary of Command and Response:
Response
Changes units of measure (simulate UNIT key) and return scale status with new units,
The new measure unit should be allowed to use
<LF> U
1
U
2
U
3
U
4
U
5
<CR><LF> H
1
H
2
H
3
H
4
<CR><ETX>
Response
If Hold function can be activated, it will enable/disable hold function (simulate HOLD key) and returns scale status.
<LF> H
1
H
2
H
3
H
4
<CR><ETX>
Response
Power off the scale, just like press down the ON/OFF key to turn off the scale.
Response
Unrecognized command
<LF>? <CR><ETX>
Command
Response
ASCII
HEX
W<CR>
57 0d
Read scale weight:
<LF>^^^^^^^^U1U2 U3U4U5<CR><LF> H1H2H3 H4<CR><ETX>---over
capacity
?<LF>________U1U2U3U4U5<CR><LF> H1H2H3 H4<CR><ETX>---under
capacity
?<LF>-------- U1U2 U3 U4U5<CR><LF> H1H2H3 H4<CR><ETX>---zero-point
error
?<LF><p>W1W2W3W4W5<dp>W6U1U2U3U4U5<CR><LF>H1H2H3H4<CR
><ETX>---normal data
S<CR>
53 0d
<LF> H1H2H3H4<CR><ETX>; read scale status
Z<CR>
5a 0d
<LF> H1H2H3H4<CR><ETX>; simulate ZERO key
T<CR>
54 0d
<LF> H1H2H3H4<CR><ETX>; simulate TARE key
U<CR>
55 0d
<LF> U1U2 U3 U4U5<CR><LF> H1H2H3H4<CR><ETX>; simulate UNIT key
L<CR>
4c 0d
<LF> H1H2H3H4<CR><ETX>; simulate HOLD key
X<CR>
58 0d
power off the scale, simulate OFF key
others
<LF>? <CR><ETX>
