Appendix A.1.2. Status Data

FS-8700-101_Setra Model 370 Digital Pressure Gage ManualPage 17 of 23

Appendix A. Advanced Topics

Appendix A.1. How Data Gets Stored

Appendix A.1.1. Pressure Data

Offset (where x is the offset		Notes
specified in the MD)
X + 0		Gage Pressure. A signed real number.
		Gage Pressure Units. A whole number which is used
X + 1		as a lookup into the table provide in section
		“Appendix A.2 Gage Pressure Units”
		Gage Pressure Indicating Letter
X + 2		‘A’ = 65
X + 2		‘G’ = 71
		‘G’ = 71
		‘T’ = 84
X + 3		Set to 1 If the pressure reading reports the status as
X + 3		‘OK’
		‘OK’
X + 4		Set to 1 If the pressure reading reports the pressure
X + 4		as a ‘SEA LEVEL’ reading
		as a ‘SEA LEVEL’ reading

If any fields are absent in the response to a poll for status data then the values are set to zero for that field.

Offset (where x is the offset		Notes
specified in the MD)
X + 0		‘ELEV:’ measurement. A signed real number.
X + 1		‘ELEV:’	engineering	units	index.	See	table
X + 1		“Appendix A.2 Gage Pressure Units”
		“Appendix A.2 Gage Pressure Units”
X + 2		‘MAX:’ measurement. A signed real number.
X + 3		‘MAX:’ engineering units index. See table “Appendix
X + 3		A.2 Gage Pressure Units”
		A.2 Gage Pressure Units”
X + 4		‘MIN:’ measurement. A signed real number.
X + 5		‘MIN:’ engineering units index. See table “Appendix
X + 5		A.2 Gage Pressure Units”
		A.2 Gage Pressure Units”
X + 6		‘HI ALARM:’ measurement. A signed real number.
X + 7		‘HI ALARM:’ engineering units index. See					table
X + 7		“Appendix A.2 Gage Pressure Units”
		“Appendix A.2 Gage Pressure Units”
X + 8		‘LO ALARM:’ measurement. A signed real number.
X + 9		‘LO ALARM:’ engineering units index. See					table
X + 9		“Appendix A.2 Gage Pressure Units”
		“Appendix A.2 Gage Pressure Units”
X + 10	‘ZERO:’ measurement. A signed real number.
X + 11		‘ZERO:’	engineering	units	index.	See	table
X + 11		“Appendix A.2 Gage Pressure Units”
		“Appendix A.2 Gage Pressure Units”
X + 12		‘UNIT:’ measurement. A signed real number.
X + 13		‘UNIT:’ engineering units index. See table “Appendix
X + 13		A.2 Gage Pressure Units”
		A.2 Gage Pressure Units”

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Offset (where x is the offset

specified in the MD)

Appendix A.1.2. Status Data

‘ELEV:’

‘ZERO:’