Appendix a modbus register information – Hach-Lange 1200-S sc User Manual
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Appendix A
ModBUS Register Information
Table 3 Sensor ModBUS Registers
Tag Name
Register #
Data Type
Lengt
h
R/W
Description
pH measurement
40001
Float
2
R
pH measurement
ORP measurement
40003
Float
2
R
ORP measurement
Temperature measurement
40005
Float
2
R
Temperature measurement
Raw pH measurement
40007
Float
2
R
Raw pH measurement
mV Raw measurement
40009
Float
2
R
mV Raw measurement
Raw Temperature measurement
40011
Float
2
R
Raw Temperature measurement
Main Measurement Parameter
40013
Integer
1
R
Main Measurement Tag
Temperature Measurement Param.
40014
Integer
1
R
Temp Measurement Tag
Sensor Name[0]
40015
Integer
1
R/W
Sensor Name[0]
Sensor Name[1]
40016
Integer
1
R/W
Sensor Name[1]
Sensor Name[2]
40017
Integer
1
R/W
Sensor Name[2]
Sensor Name[3]
40018
Integer
1
R/W
Sensor Name[3]
Sensor Name[4]
40019
Integer
1
R/W
Sensor Name[4]
Sensor Name[5]
40020
Integer
1
R/W
Sensor Name[5]
Function code
40021
Integer
1
Function code
Next Step
40022
Integer
1
Next Step
Password
40023
Pass
1
R/W
Password
Serial Number[0]
40024
Integer
1
R/W
Serial Number[0]
Serial Number[1]
40025
Integer
1
R/W
Serial Number[1]
Serial Number[2]
40026
Integer
1
R/W
Serial Number[2]
pH/ORP toogle
40027
Bit
1
R/W
pH/ORP toogle
Temperature unit toogle
40028
Bit
1
R/W
Temperature unit toogle
pH display format
40029
Bit
1
R/W
pH display format XX.X or XX.XX
Buffer Type
40030
Bit
1
R/W
Buffer type
---
40031
Integer
1
R/W
Internal use
---
40032
Integer
1
R/W
Internal use
Averaging
40033
Integer
1
R/W
Averaging
Automatic/Manual toogle
40034
Bit
1
R/W
Automatic/Manual toogle
Manual Temperature unit
40035
Integer
1
R/W
Manual Temperature unit
Manual Temperature
40036
Float
2
R/W
Manual Temperature
50/60 Hz toogle
40038
Bit
1
R/W
50/60 Hz toogle
Output Mode
40039
Integer
1
R
Internal use
---
40040
Integer
1
R
Internal use
---
40041
Integer
1
R
Internal use
---
40042
Integer
1
R
Internal use
---
40043
Integer
1
R
Internal use
---
40044
Integer
1
R
Internal use
---
40045
Integer
1
R
Internal use
---
40046
Integer
1
R
Internal use
---
40047
Integer
1
R
Internal use
---
40048
Integer
1
R
Internal use
---
40049
Float
2
R
Internal use