Seametrics DO2 Instructions Manual page 19

APPENDIX C: READING THE DO2 VIA DIRECT READ
//*** Acknowledge Active, Address Query
<a>! <a><cr><lf>
?! <a><cr><lf>
//*** Change Address
<a>A<b>! <b><cr><lf>
//*** Request measurement
<a>M! <a>0045<cr><lf>
<a>D0! <a>+23.1374+14.9829+12.1616+3.9829<cr><lf>
<a>D1! <a>+19.1374<cr><lf>
//*** Request measurement with CRC
<a>MC! <a>0045<cr><lf>
<a>D0! <a>+23.1374+14.9829+12.1616+3.9829{crc}<cr><lf>
<a>D0! <a>+19.1374{crc}<cr><lf>
//*** Concurrent measurement
<a>C! <a>0045<cr><lf>
<a>D0! <a>+23.1374+14.9829+12.1616+3.9829<cr><lf>
<a>D0! <a>+19.1374<cr><lf>
//*** Concurrent measurement with CRC
<a>CC! <a>0045<cr><lf>
<a>D0! <a>+23.1374+14.9829+12.1616+3.9829{crc}<cr><lf>
<a>D0! <a>+19.1374{crc}<cr><lf>
For further information and SDI-12 examples, see the Seametrics application note, "DO2
Interface Specification (SDI-12 and Modbus)" available from our web site at:
www.seametrics.com
Seametrics • 253.872.0284
// note: 2.01
// firmware revision
// ssssssssss = device serial #
// change address from <a> to <b>
// request all measurements
// read: temperature (on board),
// pressure
// power
// DO
// read: temperature (on probe)
// request all measurements w/CRC
// read: temperature (on board),
// pressure
// power
// DO
// read: temperature (on probe)
// request all measurements
// read: temperature (on board),
// pressure
// power
// DO
// read: temperature (on probe)
// request all measurements w/CRC
// read: temperature (on board),
// pressure
// power
// DO
// read: temperature (on probe)
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DO2 INSTRUCTIONS
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