Campbell Scientific AVW200-series Vibrating Wire Interfaces - Manual (Page 80)

Appendix D. The Public Table
Values and Control Parameters for SDI-12 Communications
SDI12val(1) Frequency value obtained by SDI Recorder Instruction, if
used; unchanged if not using SDI-12.
SDI12val(2) Amplitude value obtained by SDI Recorder Instruction, if
used; unchanged if not using SDI-12.
SDI12val(3) Signal to noise ratio obtained by SDI Recorder Instruction,
if used; unchanged if not using SDI-12.
SDI12val(4) Signal to noise frequency obtained by SDI Recorder
Instruction, if used; unchanged if not using SDI-12.
SDI12val(5) Decay ratio obtained by SDI Recorder Instruction, if used;
unchanged if not using SDI-12.
SDI12val(6) Thermistor reading obtained by SDI Recorder Instruction, if
used; unchanged if not using SDI-12.
SDIChan Channel used for SDI-12 measurement
SDIBFreq Begin frequency used for SDI-12 measurement
SDIEFreq End frequency used for SDI-12 measurement
SDIExVolt Excitation voltage used for SDI-12 measurement
Value of Last Instruction That’s Running
Ch1Freq Frequency value measured on channel 1
Ch1Amp Amplitude value measured on channel 1
Ch1SNR Signal to noise ratio measured on channel 1
Ch1SNRFreq Signal to noise frequency measured on channel 1
Ch1Decay
Decay ratio measured on channel 1
Ch1Therm Thermistor reading measured on channel 1
Ch2Freq Frequency value measured on channel 2
Ch2Amp Amplitude value measured on channel 2
Ch2SNR Signal to noise ratio measured on channel 2
Ch2SNRFreq Signal to noise frequency measured on channel 2
Ch2Decay
Decay ratio measured on channel 2
Ch2Therm Thermistor reading measured on channel 2
D-2