52 cHAPTER 6: Computer Interface Operation
Model 425 Gaussmeter
? Process Last Query Received
Input ?[term]
Returned The response of the last query received by the instrument
Remarks Reprocesses the last query received by the instrument and sends a new response—
this command cannot be chained with other commands and must be sent by itself
Q
IDN? Identification Query
Input QIDN?[term]
Returned <manufacturer>,<model>,<instrument serial number>,<firmware version>[term]
Format s[4],s[8],s[7],n.n
<manufacturer> Manufacturer ID
<model> Instrument model number
<serial> Instrument serial number
<firmware version> Instrument firmware version
Example LSCI,MODEL425,4250022,1.0
Q
RST Reset Instrument Command
Input QRST[term]
Remarks Sets controller parameters to power-up settings—use the DFLT command to set
defaults
ALARM Input Alarm Parameter Command
Input ALARM <off/on>,<mode>,<low value>,<high value>,<out/in>,
<alarm sort>,<audible>[term]
Format n,n, ±nnn.nnnE±nn,±nnn.nnnE±nn,n,n,n
<off/on> Specifies alarm checking on or off: 0 = off, 1 = on
<mode> Specifies checking magnitude (absolute value used) or algebraically
(inlcudes sign): 1 = magnitude check, 2 = algebraic check
<low value> Sets the value the source is checked against to activate low alarm:
±350 kG
<high value> Sets the value the source is checked against to activate high alarm:
±350 kG
<out/in> Specifies the alarm to trigger on value outside or inside of setpoints:
1 = outside, 2 = inside
<alarm sort> Turns alarm sort function on or off: 0 = off, 1 = on
<audible> Specifies if the internal speaker will beep when an alarm condition
occurs. Valid entries: 0 = off, 1 = on
Example ALARM 1,1,100,300,1,0,0[term]—turns alarm checking on—activates
alarm if the absolute value of the field is over 300 G, or if the absolute value of the
field is below 100 G; sorting is turned off, and instrument will not beep when an alarm
condition occurs
ALARM? Input Alarm Parameter Query
Input ALARM?[term]
Returned <off/on>,<mode>,<low value>,<high value>,<out/in>,<alarm sort>,<audible> [term]
Format n,n,±nnn.nnnE±nn,±nnn.nnnE±nn,n,n,n(refer to command for description)
ALARMST? Alarm Status Query
Input ALARMST?[term]
Returned <state>[term]
Format n
<state> 0 = Non-alarming, 1 = Alarming
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