User manual

MetPak Doc No 1575-PS-0001 Issue 02 CN 4240 March 2006
10.1 SDI-12 COMMANDS
SDI-12 configured units comply with SDI-12 Interface Standard V1.3
We advise that you download the full SDI-12 specification from www.sdi-12.org
All other commands not defined below respond with a ‘zero data values ready’ response.
All units of measurement are in metres per second. This cannot be re-scaled.
Name Command Gill Output
Continuous Measurement
(Polar)
aR0! a<dir><mag><status><CR><LF>
Continuous Measurement
(UV)
aR1! a<U><V><status><CR><LF>
Continuous Measurement
with CRC (Polar)
aRC0! a<dir><mag><status><CRC><CR><LF>
Continuous Measurement
with CRC (UV)
aRC1! a<U><V><status><CRC><CR><LF>
Start Measurement
(Polar)
aM! a0003
Send Data aD0! a<dir><mag><status><CR><LF>
Start Measurement (UV) aM1! a0003
Send Data aD0! a<U><V><status><CR><LF>
Start Measurement with
CRC (Polar)
aMC! a0003
Send Data aD0! a<dir><mag><status><CRC><CR><LF>
Start Measurement with
CRC (UV)
aMC1! a0003
Send Data aD0! a<U><V><status><CRC><CR><LF>
Acknowledge Active a! a<CR>< LF>
Send Identification aI! a13GillInst 1405 SDI v101 <sn><CR><LF>
Change Address aAb! b<CR><LF>
Address Query ?! a<CR><LF>
Measurement on demand aXLPM! 0LP<CR><LF>
Continuous Reading aXHPM! 0HP<CR><LF>
Default operating mode aXHPM!
Gill Output Message Format
a13GillInst 1405 SDIv***
SDI-12 SDI-12 Gill Gill WindSonic
address version Model No Software Version
*** Software Version may change
24