Fairbanks FB2550 SERIES - Manual (Page 180)

07/2012 180 51254 Rev. 3
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:
Diagnostic, ABout and INformation commands
where: Start of response message
scale status definition / example
‘Z’ Center of Zero = 0.000
‘O’ Over Capacity = +weight
‘U’ Under Capacity = -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)
None of the above conditions
Note: For ‘E’, ‘I’, ‘T’ error conditions
= ————— (center dashes)
and ‘Z’, ‘O’, ‘U’ are overridden.
range (‘1’, ‘2’, ‘3’, etc.) always ‘1’ for single range
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
motion status
‘M’ scale in Motion
scale not in Motion
future reserved for future or custom use
weight data this field is fixed at 10 characters
Unit of Measure
End of response message