User Manual

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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 Cal Gain 40013 float 2 R none 0.5 to 2.0
Verification PF Criteria 40062 Integer 1 R/W % 5 to 10
Measurements Turbidity 40001 Float 2 R NTU 0/100
Diagnostics Temperature 40005 Float 2 R Deg C —
Diagnostics Dark Reading 40009 Float 2 R NTU 0/100
Diagnostics Raw Turbidity 40011 Float 2 R NTU 0/100
Diagnostics Lamp Voltage 40018 Float 2 R Volts 0/5
Diagnostics Lamp Current 40020 Float 2 R Amps 0/2.75
Diagnostics Plus 5V 40022 Float 2 R Volts 0/5.5
Diagnostics Voltage In 40024 Float 2 R Volts 0/1443
Setup Software Version 40015 Float 2 R — —
Setup Bubble Rej 40017 Integer 1 R/W — On/Off
Setup DataLog Interval 40026 Integer 1 R/W Sec or Min
30 sec, 1 min,
5min, 10 min,
15 min
Setup Sensor Name 40027 String 6 R/W — —
Setup Filter Size 40033 Integer 1 R/W sec
no averaging,
6, 30, 60, 90
Setup Sensor Ser Num 40036 String 6 R — 12 digits
Setup Output Mode 40042 Integer 1 R — 0, 1, 2, 4
Setup Set Resolution 40061 Integer 1 R/W decimal places 4, 3, or 2