ii
Examples ..................................................................................................... 17
Verification and Reading current Set-up...................................................... 18
Count Measurement ................................................................................................... 18
SDI-12 set-up command .............................................................................. 18
Examples ..................................................................................................... 18
Verification and Reading current Set-up...................................................... 19
Frequency Measurement ............................................................................................ 19
SDI-12 set-up command ............................................................................. 19
Examples ..................................................................................................... 19
Verification and Reading current Set-up...................................................... 20
Period Measurement .................................................................................................. 20
SDI-12 set-up command .............................................................................. 20
Examples ..................................................................................................... 20
Verification and Reading current Set-up...................................................... 21
Quadrature Shaft Encoder Measurement ................................................................... 21
Offset ........................................................................................................... 22
Scale-Factor ................................................................................................. 22
Direction of Rotation ................................................................................... 22
Average, Minimum and Maximum Value/Measurement-time ..................... 23
Status Byte ................................................................................................... 23
Verification and Reading current Set-up...................................................... 23
State of Port ............................................................................................................... 23
Example ....................................................................................................... 23
Switched Voltage SW‟D .......................................................................................................... 24
Resetting to a Factory Default Configuration ........................................................................... 24
5.
Measurement Configuration Recommendations ................................................................. 25
Analog measurement Parameters ............................................................................................. 25
Channel, Gain, Buffering ........................................................................................... 25
Averaging / Filtering .................................................................................................. 25
Vref warm-up time ..................................................................................................... 26
Switched voltage and Switched voltage warm-up time .............................................. 26
Example Setup Tutorials .......................................................................................................... 26
AT/RH Probe ............................................................................................................. 26
Continuously Powered ................................................................................. 26
Powered for measurements only .................................................................. 27
Air Temperature Sensor ............................................................................................. 27
4-20mA Output Sensor .............................................................................................. 28
6.
Troubleshooting and Maintenance ...................................................................................... 29
Troubleshooting ....................................................................................................................... 29
Maintenance ............................................................................................................................. 29
7.
Specifications for SDI-12 AnalogPlus module ..................................................................... 30
APPENDIX A -- Command Reference ..................................................................................... 31
APPENDIX B -- SDI-12 with the Sutron 8200, 8200A, and 8210 ............................................. 37
Entering Extended Commands for Configuration Purposes ..................................................... 37
From the Front Panel.................................................................................................. 37
From a PC connected to the RS-232 port ................................................................... 37
Logging data from the M1 or M2 commands or from addresses above 9 ................................ 37
Logging data with multiple data recorders ............................................................................... 38
Setup two Sutron data recorders with one SDI-12 AnalogPlus module ..................... 38
Setup two Sutron Data Recorders with two SDI-12 AnalogPlus modules ................. 38
