45
Appendix A Modbus Register Information
Table 8 Sensor Modbus Registers
Group Name
Tag Name
Register
#
Data
Type
Length
R/W
Description
Tags
SensorMeasTag
40001
Integer
1
R
Sensor measurement tag
Measurements
pHMeas
40002
Float
2
R
pH /ORP measurement
Tags
TempMeasTag
40004
Integer
1
R
Temperature measurement tag
Measurements
TempDegCMeas
40005
Float
2
R
Temperature measurement
Configuration
SensorName
40007
String
6
R/W
Sensor name
Tags
FuncCode
40013
Integer
1
R/W
Function code tag
Tags
NextState
40014
Integer
1
R/W
Next state tag
Configuration
MeasType
40015
Integer
1
R/W
Measurement type—pH or ORP
Configuration
TempUnits
40016
Integer
1
R/W
Temperature units—C or F
Configuration
pHFormat
40017
Integer
1
R/W
pH display format
Configuration
TaggedPhFormat
40018
Long
2
R
pH display tagged format
Configuration
Filter
40020
Integer
1
R/W
Sensor filter
Configuration
TempElementType
40021
Integer
1
R/W
Temperature element type
Tags
TempUserValueTag
40022
Integer
1
R
Temperature user value tag
Configuration
TempUserDegCValue
40023
Float
2
R/W
Temperature user value
Configuration
pHBuffer
40025
Integer
1
R/W
pH buffer type
Configuration
PureWaterCompType
40026
Integer
1
R/W
Pure H
2
O compensation type
Configuration
PureWaterCompUser
40027
Float
2
R/W
Pure H
2
O compensation user val
Calibration
OutputMode
40029
Integer
1
R/W
Output mode
Calibration
CalLeave
40030
Integer
1
R/W
Cal leave mode
Calibration
CalAbort
40031
Integer
1
R/W
Cal abort mode
Tags
CalEditValueTag
40032
Integer
1
R
Cal edit value tag
Calibration
CalEditPhValue
40033
Float
2
R/W
Cal edit value
Diagnostics
pHSlope
40035
Float
2
R
pH slope
Diagnostics
SoftwareVersion
40037
String
6
R
Software version
Diagnostics
SerialNumber
40043
String
6
R
Serial number
Diagnostics
pHOffset
40049
Float
2
R
pH offset
Diagnostics
OrpOffset
40051
Float
2
R
Orp offset
Calibration
CalCode
40053
Integer
1
R
Cal code
Configuration
SensorLogInterval
40054
Integer
1
R/W
Sensor data log interval
Configuration
TempLogInterval
40055
Integer
1
R/W
Temperature data log interval
Diagnostics
pHmV
40056
Float
2
R
pH mV
Diagnostics
ProdDate
40058
Date
2
R/W
Production date
Diagnostics
StdElectrode
40060
Float
2
R
Standard electrode impedance
Diagnostics
RefElectrode
40062
Float
2
R
Reference electrode impedance
Diagnostics
LastCalDate
40064
Date
2
R
Last calibration date
Diagnostics
SensorDays
40066
Integer
1
R
Sensor running days
Diagnostics
ElectrodeDays
40067
Integer
1
R
Electrode running days
Diagnostics
ElectrodeStatus
40068
Integer
1
R
Electrode status
Diagnostics
SensorType
40069
Integer
1
R
Sensor type
Configuration
RejectFrequency
40070
Integer
1
R/W
Reject frequency
Diagnostics
DeviceDriver
40071
String
5
R
Device driver
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