Appendix a modbus register – Hach-Lange NO3D sc Nitrate Sensor User Manual
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Appendix A Modbus Register
Table 4 Sensor Modbus Register
Tag Name
Register #
Data Type
Length
R/W
Discrete
Range
Min/Max
Range
Description
NITRATE NO3-N
40001
Float
2
R
0/2000
Nitrate in mg/L
NITRATE NO3
40003
Float
2
R
0/2576
Nitrate in mg/L
CL-
40005
Float
2
R
0/2000
Cl- mg/L
TEMP DEG C
40007
Float
2
R
–30/100
Temp in Deg Celsius
TEMP DEG F
40009
Float
2
R
–54/180
Temp Fahrenheit
CHLORI COMPENS
40013
Unsigned
Integer
1
R/W
0/1
DATA LOG INTRVL
40014
Unsigned
Integer
1
R/W
0/1/2/3/4/5/
6/7/8/9
SENS INTERVAL
40015
Unsigned
Integer
1
R/W
30/300
TEMP SELECT
40016
Unsigned
Integer
1
R/W
U25/26
PARAMETER
SELECT
40017
Unsigned
Integer
1
R/W
P19/42
UNIT SELECT
40018
Unsigned
Integer
1
R/W
U0/2
TEMP. OFFSET C
40019
Float
2
R/W
–1.5/1.5
TEMP. OFFSET F
40021
Float
2
R/W
–2.7/2.7
SENSOR NAME
40024
String
8
R/W
CAL CONFIG
40032
Unsigned
Integer
1
R/W
0/1/2/3/4/5/
6/7
SENSOR CODE
40033
String
8
R/W
Last Sensor Code
[day]
40041
Unsigned
Integer
1
R
0/730
Last Calibration
[day]
40042
Unsigned
Integer
1
R
0/730
SERIAL NUMBER
40043
String
6
R/W
SOFTWARE VERS
40049
Float
2
R
0/655.35
DRIVER VERS
40051
Float
2
R
0/655.35
STRUCTURE
VERSION
40053
Unsigned
Integer
1
R
0/65535
CONTENT
VERSION
40054
Unsigned
Integer
1
R
0/65535
FIRMWARE
VERSION
40055
Unsigned
Integer
1
R
0/65535
DATE SENSOR
CODE
40068
Time2
2
R
DATE CAL POINT 1
40070
Time2
2
R
DATE CALPOINT 2
40072
Time2
2
R
SENSOR CODE
40074
Unsigned
Integer
1
R
0/1/2/3/4/5/
6/7
DATE
40075
Time2
2
R
NO3 N CONC 1
40077
Float
2
R
0/2000