Fairbanks FB2550 DAT SERIES DRIVER ACCESS TERMINAL - Manual (Page 152)

2/2013 152 51303 Rev. 1
Appendix III: SMA Protocol
A. STANDARD SCALE RESPONSE MESSAGE
Most of the host commands are responded to in the following message format. The only
host commands that do not are the:
D
iagnostic, ABout and INformation commands
<LF> <s> <r> <n> <m> <f> <xxxxxx.xxx> <uuu> <CR>
where: <LF> Start of response message
<s> scale status definition / example
‘Z’ Center of Zero <xxxxxx.xxx>= 0.000
‘O’ Over Capacity <xxxxxx.xxx>= +weight
‘U’ Under Capacity <xxxxxx.xxx>= -weight
‘E’ Zero Error (clears when condition clears)
‘I’ Initial-Zero Error (if used, this error is
maintained until zero condition is cleared)
‘T’ Tare Error (clears after being read)
<space> None of the above conditions
Note: For ‘E’, ‘I’, ‘T’ error conditions
<xxxxxx.xxx>= ————— (center dashes)
and ‘Z’, ‘O’, ‘U’ are overridden.
<r> range (‘1’, ‘2’, ‘3’, etc.) always ‘1’ for single range
<n> gross/net status
‘G’ Gross normal weight
‘T’ Tare weight (in response to ‘M’ command)
‘N’ Net normal weight
‘g’ gross weight in high-resolution
‘n’ net weight in high-resolution
<m> motion status
‘M’ scale in Motion
<space> scale not in Motion
<f> future reserved for future or custom use
<xxxxxx.xxx> weight data this field is fixed at 10 characters
<uuu> Unit of Measure
<CR> End of response message