
Table of Contents
5.4 Send OS ............................................................................................. 32
5.5 Troubleshoot ..................................................................................... 33
5.6 Settings Editor ................................................................................... 36
5.7 Terminal ............................................................................................ 36
6. Programming ............................................................. 37
6.1 AVW200 Instruction ......................................................................... 37
6.1.1 Pipeline Mode ............................................................................ 41
6.1.2 Sequential Mode......................................................................... 41
6.2 SDI-12 Measurements ....................................................................... 42
6.2.1 SDI12 Recorder() Instruction ..................................................... 42
6.2.2 Extended SDI-12 Commands ..................................................... 44
6.2.3 Use with Multiplexers ................................................................ 44
7. Example Programs .................................................... 45
7.1 AVW200() Instruction (no multiplexers) .......................................... 45
7.1.1 Direct RS-232 Connection (two sensors) ................................... 45
7.1.2 Wireless/One Sensor/Resistance Converted to Temperature ..... 46
7.2 AVW200() Instruction Controlling Two Multiplexers ...................... 47
7.3 AVW200( ) Instruction Running in the Pipeline Mode ..................... 48
7.4 AVW200( ) Instruction Running in the Sequential Mode ................. 49
7.4.1 AVW200 Controlling Two Multiplexers in Sequential Mode ... 50
7.4.2 Datalogger Controlling Two Multiplexers in Sequential
Mode ....................................................................................... 50
7.5 SDI-12 Example ................................................................................ 51
8. Troubleshooting Communication Problems .......... 54
8.1 Unable to Communicate with DevConfig or Terminal Emulator ...... 54
8.2 Datalogger to AVW200 Communication .......................................... 54
8.3 Wireless Communications ................................................................. 54
Appendices
A.
Conversion from Hertz ........................................... A-1
A.1 Displacement Example .................................................................... A-1
B. Thermistor Information ........................................... B-1
B.1 Converting Resistance to Temperature ........................................... B-1
B.1.1 Resistance Conversion Example – Geokon Sensor .................. B-1
B.2 Accuracy and Resolution ................................................................. B-1
C. Antennas, Antenna Cables, and Surge Protectors
for the AVW206, AVW211, and AVW216 ............. C-1
C.1 Antennas .......................................................................................... C-1
C.2 Antenna Cables ............................................................................... C-5
C.3 Surge Protectors .............................................................................. C-5
C.3.1 Electrostatic Issues ................................................................... C-5
C.3.2 Antenna Surge Protector Kit .................................................... C-6
C.4 Part 15 FCC Compliance Warning .................................................. C-6
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