H-3521 – Xylem H-3521 User Manual
Page 33
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H-3521
SDI-12 Command and Response Protocol 5-3
Example of a H-3521 "aM1!" command:
Command
Response
Time
Values
Description
"aM1!"
"a0044<cr><lf>"
4 sec
4
Make measurement
Subsequent Command
Response
"aD0"
a+AA.AAAA+BB.B+CCCCCCC.CC+DDDDDDD.DD<cr><lf>
Where:
AA.AAAA
= Pressure (PSI)
BB.B
= Temperature (C)
CCCCCCC.CC
= Raw Pressure A/D Counts
DDDDDDD.DD
= Raw Temperature A/D Counts
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