Xylem H-3342 - Manual (Page 15)

H-3342
SDI-12 Command and Response Protocol 3-3
Example of a H-3342 "aM!" command:
Command Response Time Values Description
"aM!" "a0023" 2 sec 3 Make measurement
Subsequent Command Response
"aD0" a+AA.AAA+BB.BBB+CC
Where:
AA.AAA = Stage
BB.BBB = Raw Encoder Position (turns)
CC = Encoder Status:
0 = no error
1 = not enough light
2 = too much light
3 = misalignment or dust
4 = misalignment or dust
5 = misalignment or dust
6 = hardware problem
7 = fast mode error
8 = multi turn position not initialized
15 = no response from the encoder (data is unusable)
16 = turn counter error (data is unusable)