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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