Appendix G: Native Serial (RS-2332) Communications
Page G-6 Lasair II Particle Counter Operations Manual
Command List
All commands are case insensitive. Text variables in commands do retain capital
and lowercase letters.
AALARM [T,R,n],min,[1/0],max,[1/0]
Set analog alarm for specified channel. Channel is 1–4 for user analog inputs, or T
for temperature, or R for rh. min is a floating point value for alarm minimum, and
max is a floating point value for the alarm maximum. The min and max alarms are
enabled or disabled individually.
ANID n,name_string Set name for user analog channel n. Channel is 1–4,
name_string is maximum of 16 characters.
ANENABLE n,[1/0] Enable or disable data collection for analog channel.
Channel is 1–4.
ANLIMITS n,min,max Set calibration parameters for 4–20 mA analog input
channel.
Minimum value = engineering units value at 4 mA.
Maximum value = engineering units at 20 mA.
ANSCALE n,scale Set 4–20 mA scale for analog input channel.
ANOFFSET n,offset Set 4–20 mA offset for analog input channel.
ANUNITS n, units_string Set units title for analog channel. Channel is 1–4,
units string is maximum of 8 characters.
AUTOSTART [1/0] Enable or disable autostart feature. When enabled, the
instrument will begin sampling when it powers up.
BUZZER [1/0] Enable/disable buzzer during alarms.
C nn ..... Change setup parameter. See separate table below for details.
CLEARALL Deletes all sample data and all location names. This command should
be used with caution. If the command is executed while the instrument is running,
it will return an error. This command may be used to facilitate an interface to a
barcode reader.
DS Get number of data samples.
ERASEDATA Erase all data samples in instrument.
ES End sampling.
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