Lufft V200A-UMB User Manual

Operating Manual V25/09.2019 Ventus / Ventus-X / V200A
Chapter 20 Appendix 57
For details of the SDI-12 protocol please refer to the above mentioned standard document.
Following commands are available for the Ventus :
Befehl
Funktion
?!
Address search (Wildcard request, one device only on bus!)
a!
Request device active?
aI!
Request device identification
aAb!
Address change to b ( 0 … 9, A …Z, a … z)
aM!
Measurement, minimal base data set
aM1!
Measurement, Temperature Values
aM2!
Measurement: Wind Values
aM3!
Measurement: Air Pressure Values
aMC!
Measurement,minimal base data set, transmit values with CRC
aMC1! …
aMC3!
Measurement, (value assignment as for aMn! commands), transmission with
CRC
aC!
Concurrent measurement, complete base data set
aC1! …
aC3!
Concurrent measurement, (value assignment as for aMn! Commands),
extended data set
aCC!
Concurrent measurement, complete data set,, transmit values with CRC
aCC1! …
aCC3!
Concurrent measurement, complete data set,, (value assignment as for aMn!
Commands), extended data set , transmit values with CRC
aD0!
Data request buffer 0
aD1!
Data request buffer 1
aD2!
Data request buffer 2
aD3!
Data request buffer 3
aD4!
Data request buffer 4
aR0!
Data request from continuous measurement, data set 0
aR1!
Data request from continuous measurement, data set 1
aR2!
Data request from continuous measurement, data set 2
aR3!
Data request from continuous measurement, data set 3
aR4!
Data request from continuous measurement, data set 4
aRC0!
Data request from continuous measurement, data set 0 with CRC
aRC1!
Data request from continuous measurement, data set 1 with CRC
aRC2!
Data request from continuous measurement, data set 2 with CRC
aRC3!
Data request from continuous measurement, data set 3 with CRC
aRC4!
Data request from continuous measurement, data set 4 with CRC
aV!
Command verification: Evaluate sensor status and heating temperatures, data
request with aD0!, aD1!
aXU<m/u>!
Selection of the unit system for SDI12 data
aXH+nnnn!
Adjust the local altitude for calculation ot relative air pressure
aXMn!
Select the heating mode of the device (
aXR!
Device Reset
Note: The examples in the following sections use italics to print the requests from the logger (
0V! )

Lufft V200A-UMB Specifications

General

Brand	Lufft
Model	V200A-UMB
Category	Accessories
Language	English