Accubar SDI-12 Barometric Pressure Sensor Operations & Maintenance Manual Rev-B 30 Nov 2017
pg. 31
5.2 Accubar Extended Commands
Command
Description
Command Syntax
(command underlined)
Sensor response (underlined)
"a" represents the single-character address
X?
Request unknown
address
*X?!
This command causes any Sutron ACCUBAR
®
to identify itself. If you have more than one
ACCUBAR
®
connected, the result may be
garbled. There is no guarantee that non-
ACCUBAR
®
devices will respond to this
command.
a
Accubar’s address.
XAD
Set SDI-12 address
(Sutron extended
version) see A
command for SDI-12
standard version.
aXADnAn!
n new SDI-12 address, repeated twice
Example: 5XAD9A9!
(set address 5 to address 9, the address was
previously set to 5)
a0011
no response if addresses do not match
Note:
if the DIP switches are set to a non-zero
address then upon power-up the address will
be the dip-switch address.
Note:
a D0 command issued to the new
address after the XAD command will return
the new address.
XE
Set Elevation offset
aXExu!
where x is the pressure offset
u indicates the units of the offset, 0=mB
(hPa), 1="Hg, 2=kPa, 3=mmHg, 4=Atm,
5=psia, or 9=user units.
Example: 0XE+20.05+0
(set elevation offset to +20.05 mB)
Note:
Offset can be queried by issuing aXE!
Followed by a aD0!
Note:
Prior to version B1.02 only mb(hPa)
or “Hg
supported for the units.
a0011
indicating that the command will take 1
second and 1 value can be collected.
a
service request
Note:
a D0 command issued after the XE
command will return the offset in the current
units of pressure.
XFD
Reset to Factory
defaults
aXFD!
This command resets most user configurable
configuration items back to the factory
defaults. It does not reset the address nor
does it affect metrology lab calibrations.
Note:
It is recommended that the unit be
powered down and back up after use of this
command.
a0101
indicating that the command will take 10
seconds and 1 value can be collected.
a
service request
Note:
a D0 command issued after the XFD
command will return the operating mode
