Page
Page G-6
G-6
LASAIR
LASAIR II
II Operator’s
Operator’s Manual
Manual
Appendix G: LASAIR II Native Serial Communications
Appendix G: LASAIR II Native Serial Communications
Command List
Command List
All commands are case
All commands are case insensitive. T
insensitive. Text variables in commands
ext variables in commands do retain
do retain
capital and lowercase letters.
capital and lowercase letters.
AALARM [T,R,
AALARM [T,R,n],min,[1/0],m
n],min,[1/0],max,[1/0]
ax,[1/0]
Set analog alarm for specified channel. Channel is 1–4 for user analog inputs,
Set analog alarm for specified channel. Channel is 1–4 for user analog inputs,
or
or
T
T
for temperature, or
for temperature, or
R
R
for rh.
for rh.
min
min
is a floating point value for a
is a floating point value for alarm
larm
minimum, and
minimum, and
max
max
is a floating point value for the
is a floating point value for the alarm maximum. The min
alarm maximum. The min
and max alarms are enabled or
and max alarms are enabled or disabled individually
disabled individually..
ANID n,name_
ANID n,name_string
string
Set name for user analog channel
Set name for user analog channel
n
n
. Channel is 1–4,
. Channel is 1–4,
name_string
name_string
is maximum of 16 characters.
is maximum of 16 characters.
ANENABLE n,[
ANENABLE n,[1/0]
1/0]
Enable or disable data collection for analog channel.
Enable or disable data collection for analog channel.
Channel is 1–4.
Channel is 1–4.
ANLIMITS n,m
ANLIMITS n,min,max
in,max
Set calibration parameters for 4–20 mA analog
Set calibration parameters for 4–20 mA analog input
input
channel.
channel.
Minimum value = engineering units value at 4 mA.
Minimum value = engineering units value at 4 mA.
Maximum value = engineering units at 20
Maximum value = engineering units at 20 mA.
mA.
ANSCALE n,sc
ANSCALE n,scale
ale
Set 4–20 mA scale for analog input channel.
Set 4–20 mA scale for analog input channel.
ANOFFSET n,o
ANOFFSET n,offset
ffset
Set 4–20 mA offset for analog input channel.
Set 4–20 mA offset for analog input channel.
ANUNITS n, u
ANUNITS n, units_string
nits_string
Set units title for analog channel. Channel is
Set units title for analog channel. Channel is
1–4, units string is maximum of 8 characters.
1–4, units string is maximum of 8 characters.
AUTOSTART [1
AUTOSTART [1/0]
/0]
Enable or disable autostart feature. When enabled, the
Enable or disable autostart feature. When enabled, the
instrument will begin sampling when it powers up.
instrument will begin sampling when it powers up.
BUZZER [1/0]
BUZZER [1/0]
Enable/disable buzzer during alarms.
Enable/disable buzzer during alarms.
C nn .....
C nn .....
Change setup parameter. See separate table below for details.
Change setup parameter. See separate table below for details.
DS
DS
Get number of data samples.
Get number of data samples.
ERASEDATA
ERASEDATA
Erase all data samples in instrument.
Erase all data samples in instrument.
ES
ES
End sampling.
End sampling.
GALARM [1/0]
GALARM [1/0]
Enable or disable global alarm setting. When disabled, all
Enable or disable global alarm setting. When disabled, all
alarms are off. When enabled, individual alarm settings are in effect.
alarms are off. When enabled, individual alarm settings are in effect.
ID cccccccccc
ID cccccccccc
Set instrument identification using maximum of 16
Set instrument identification using maximum of 16
characters.
characters.
ISAVAIL
ISAVAIL
Check if instrument control is available. The LASAIR II has
Check if instrument control is available. The LASAIR II has
multiple methods of communications, as well as the front panel control. To
multiple methods of communications, as well as the front panel control. To
prevent confusion, only one user
prevent confusion, only one user is allowed to control
is allowed to control the instrument at a
the instrument at a time.
time.
This command will return a 0 if the
This command will return a 0 if the serial communications is unable to take
serial communications is unable to take
