Table 8-1: SDI-12 command list
Commands
1
Values returned or function
a
XLOADOS
rrrrr
CPU:
TEMPVUE_OS_Vn.nn.xobj
!
where
rrrrr
= baud rate; valid baud rates are
1200, 2400, 4800, and 9600
TEMPVUE_OS_Vn.nn.xobj
= OS name
Sends the new OS to the sensor; refer to
the operation system (OS) using XLOADOS SDI-12
command
a
XHELP
Display a helpful description of the SDI-12 commands
1
a
is the SDI-12 address. In the
SDI12Recorder()
CRBasic instruction, the command parameter does not include
the SDI-12 address because the address is a separate parameter.
2
The minimum, maximum, and average temperature values are over the measurement period.
8.2 Updating the operation system (OS) using
XLOADOS SDI-12 command
The SDI-12 extended command
XLOADOS!
sends the new operating system (OS) to the sensor.
NOTE:
Only the CR6, CR1000X, and CR300-series data loggers are compatible with the
XLOADOS!
functionality.
Verify that the data logger has been updated to the latest OS to ensure compatibility.
If a compatible data logger is not available to update the sensor, send the sensor to the factory to
have Campbell Scientific update the OS. A returned material authorization (RMA) and
completion of the “Statement of Product Cleanliness and Decontamination” form are required.
Refer to the page near the end of this manual for more information.
The data loggers need the following OS versions:
l
CR6: OS 11 or newer
l
CR1000X: OS 5.0 or newer
l
CR300 series: OS 10.05 or newer
The
XLOADOS!
OS update process requires access to the data logger terminal. Campbell
Scientific
Device Configuration Utility
is recommended.
TempVue 20 SDI-12 PT-100 Class A, Precision Air Temperature Sensor
15
