Hach-Lange 3400 sc - Manual (Page 49)

45
Appendix B Modbus Register Information
Table 13 Sensor Modbus Registers
Group Name Tag Name Register # Data Type Length R/W Description
Tags Conductivity 40001
Unsigned
Integer
1 R/W Sensor meas tag index
Tags Temperature 40002
Unsigned
Integer
1 R/W Temperature tag index
Measurements Conductivity 40003 Float 2 R Sensor measurement
Measurements Temperature 40005 Float 2 R Temperature measurement
Settings MeasMin 40007 Float 2 R Minimum meas. value
Settings MeasMax 40009 Float 2 R Maximum meas. value
Settings MeasFormat 40011
Unsigned
Integer
2 R Display format
Settings MeasUnitsCond 40013
Unsigned
Integer
1 R/W Siemens units
Settings MeasUnitsResist 40014
Unsigned
Integer
1 R/W Ohm units
Settings MeasUnitsTDS 40015
Unsigned
Integer
1 R/W TDS units
Settings MeasUnitsSalinity 40016
Unsigned
Integer
1 R/W Salinity units
Settings TempUnits 40017
Unsigned
Integer
1 R/W Temperature units
Settings Parameter 40018
Unsigned
Integer
1 R/W Selected primary parameter
Settings DisplayFormat 40019
Unsigned
Integer
1 R/W User selected display format
Settings Filter 40020
Unsigned
Integer
1 R/W Number of samples to average
Settings TDSConfig 40021
Unsigned
Integer
1 R/W TDS configuration
Settings TDS Factor 40022 Float 2 R/W TDS multiplier
Settings Cell Constant 40024 Float 2 R/W Cell constant value
Settings Cell Constant Min 40026 Float 2 R/W Minimum cell constant value
Settings Cell Constant Max 40028 Float 2 R/W Maximum cell constant value
Settings CellConstSel 40030
Unsigned
Integer
1 R/W
Cell constant selection:
0.01, 0.05, 0.1, 0.5, 1.0, 5.0, 10.0
Settings TCompSlope 40033 Float 2 R/W Temp. comp. slope
Settings TCompRefTemp 40035 Float 2 R/W Temp. comp. ref. temp
Settings TElementType 40041
Unsigned
Integer
1 R/W
Temp. element:
Manual, Pt100, Pt1000 = 0/1/2
Settings TElementFactor 40042 Float 2 R/W Temp. element offset
Settings TElementManual 40048 Float 2 R/W Temp. manual temperature
Settings OutPutMode 40050
Unsigned
Integer
1 R/W
Output mode during calibration:
Active/Hold/Transfer = 0/1/2
Calibration Cal Value 40052 Float 2 R Calib. value
Settings Sensor Name 40054 String 6 R/W Name of sensor
Diagnostics Driver Version 40060 String 8 R/W Version of driver
Diagnostics Serial Number 40068 String 6 R/W Sensor serial number