Hach LDO - Appendix A Modbus Register Information

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Appendix A Modbus Register Information
Table 8 Sensor Modbus Registers
Group Name Tag Name Register # Data Type Length R/W Units (U) Range
Measurements
Oxygen
Concentration
40001 Float 2 R ppm 0..20
Measurements
Percent
Saturation
40003 Float 2 R Percent 0..300
Measurements Temperature 40005 Float 2 R
Celsius/
Fahrenheit
-5.1..60 / 0..150
Diagnostics
Total Phase
Shift
40007 Float 2 R degrees -360..360
Diagnostics
Blue Phase
Shift
40009 Float 2 R degrees -360..360
Diagnostics
Red Phase
Shift
40011 Float 2 R degrees -360..360
Diagnostics
Blue
Amplitude
40013 Float 2 R none 0..1
Diagnostics Red Amplitude 40015 Float 2 R none 0..1
Diagnostics Version 40017 Float 2 R none 0..99.0
Settings
Altitude/
Pressure
40041 Float 2 R/W
see Alt Press
Units
0.15000 ft, 0-5000 m,
0..1000 torr, 0..1000 mmHg
Settings Salinity 40043 Float 2 R/W none 0..500
Calibration Offset Corr 40045 Float 2 R/W see Conc Units -5.00..5.00
Calibration Slope Corr 40047 Float 2 R/W none 0.5..1.5
Calibration Calib Value 40037 Float 2 R/W see Conc Units 0..20
Settings Conc Units 40091 Integer 1 R/W enumerated
ppm=2, mg/l=0, Percent =
10
Settings Alt Press Units 40092 Integer 1 R/W enumerated
feet=43, meter=13, torr=47,
mmHg=45
Settings Temp Units 40093 Integer 1 R/W enumerated Celsius=25, Fahrenheit=26
Settings Sensor Code 40094 String 5 R/W none Calibration Code
Settings Sensor Name 40099 String 6 R/W none User Name
Settings Signal Avg 40105 Integer 1 R/W seconds 0..1000
Diagnostics Serial Number 40114 String 6 R none Production Code