6.2 Advanced SDI-12 commands
All advanced SDI-12 commands start with an “
O
“ for OTT. These commands may be used, for example, to retrieve addition-
al information from an OTT Pluvio
2
S through the transparent mode of a datalogger or to configure an OTT Pluvio
2
S.
Command Response Description
䊳
Read out firmware version
aOOV!
acc.cc.c<CR><LF>
Read out firmware version of the OTT Pluvio
2
S
a
– sensor address
cc.cc.c
– firmware version
Example: V1.00.00 (first firmware version supplied)
䊳
Set/read the unit for the temperature measured values
aOUTb!
ab<CR><LF>
Set unit
aOUT!
ab<CR><LF>
Read out unit
a
– sensor address
b
– 0 = °C; factory setting
1 = °F
䊳
Set/read unit for the intensity measurements
aOUIb!
ab<CR><LF>
Set unit
aOUI!
ab<CR><LF>
Read out unit
a
– sensor address
b
– 0 = mm/min
1 = mm/h; factory setting
2 = inch/min
3 = inch/h
Note: This command changes the units for “Accu …“ and “Bucket …” at the same time; mm
↔
inch
䊳
Set/read pulse output rate
aOCIb!
ab<CR><LF>
Set pulse output rate
aOCI!
ab<CR><LF>
Read pulse output rate
a
– sensor address
b
– 0 = 5 Hz; factory setting
1 = 2 Hz
䊳
Set/read pulse factor
aOSIb!
ab<CR><LF>
Set pulse factor
aOSI!
ab<CR><LF>
Read pulse factor
a
– sensor address
b
– 0 = 0.05 mm
1 = 0.1 mm; factory setting
2 = 0.2 mm
3 = 0.5 mm
4 = 1.0 mm
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