TURBO INSTRUCTIONS
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Reading Via SDI-12
Addressing
Default SDI-12 Address: 0
SDI-12 Command Nomenclature
<a> = Sensor address
{crc} = SDI-12 compatible 3-character CRC
<cr> = ASCII carriage return character
<lf> = ASCII line feed character
highlighted values
indicate variable data
SDI-12 Commands
//*** Sensor Identification
<a>I! <a>13 INWUSA ATurb
2.2
ssssssssss
<cr><lf>
// note:
2.2
will change to reflect current
// firmware revision
// ssssssssss = device serial #
//*** Acknowledge Active, Address Query
<a>! <a><cr><lf>
?! <a><cr><lf>
//*** Change Address
<a>A<b>! <b><cr><lf>
// change address from <a> to <b>
//*** Request measurement
<a>M! <a>
0022
<cr><lf>
// request all measurements
<a>D0! <a>
+24.2412+458.73
<cr><lf>
// read: temperature and turbidity
<a>M1! <a>
0021
<cr><lf>
// request measurements
<a>D0! <a>
+24.2412
<cr><lf>
// read: temperature
<a>M2! <a>
0021
<cr><lf>
// request measurements
<a>D0! <a>
+458.73
<cr><lf>
// read: turbidity
//*** Request measurement with CRC
<a>MC! <a>
0022
<cr><lf>
// request all measurements w/CRC
<a>D0! <a>
+24.2412+458.73
{
crc
}<cr><lf> // read: temperature and turbidity
<a>MC1! <a>
0021
<cr><lf>
// request measurements w/CRC
<a>D0! <a>
+24.2412
{
crc
}<cr><lf>
// read: temperature
<a>MC2! <a>
0021
<cr><lf>
// request measurements w/CRC
<a>D0! <a>
+458.73
<cr><lf>
// read: turbidity
APPENDIX C: READING THE SENSOR
