Registers
Modbus RS485 Interface
Operating Guide
- 23 -
Registers
Dissolved Oxygen Readings Continued
2218 Get Channel 1 Pressure Units INT Pressure Reading Units 1110 = Atm
2518 Channel 2 1111 = Bar
2818 Channel 3 1112 = Kpa
1113 = mH20
1114 = Psi
1115 = mmHg
Electrodeless Conductivity Readings
2250 Get Channel 1 Conductivity
Reading
FLOAT Electrodeless
Conductivity Reading
Value depends upon
channel range
2550 Channel 2
2850 Channel 3
2252 Get Channel 1 Conductivity
Units
INT Electrodeless
Conductivity Reading
Units
300 = µs
2552 Channel 2 400 = mS
2852 Channel 3
2253 Get Channel 1 TDS Reading* FLOAT TDS Reading
*(only available when
units set to TDS)
Value depends upon
channel range
2553 Channel 2
2853 Channel 3
2255 Get Channel 1 TDS Units* INT TDS Reading Units
*(only available when
units set to TDS)
500 = ppm
2555 Channel 2 1028 = ppt
2855 Channel 3
2256 Get Channel 1 Solution
Reading*
FLOAT Solution Reading
*(only available when
units set to solution)
0 to 16.00% NaOH
2556 Channel 2 0 to 30.00% NaCl
2856 Channel 3 0 to 25.00 H2SO4
0 to 15.00% HCl
0 to 25.00% H3PO4
0 to 25.00 %HNO
0 to 41.00 ppt
2258 Get Channel 1 Solution Units* INT Solution Reading Units
*(only available when
unit set to solution)
1029 = %NaOH
2558 Channel 2 1030 = %NaCl
2858 Channel 3 1031 = %H2SO4
1032 = %HCl
1033 = %H3PO4
1034 = %HNO
1035 = ppt
1036 = Custom Units
2259 Get Channel 1 Custom Curve
Units
1
st
Character
INT Custom Curve
Units 1
st
Custom
Character
Refer To Table1
2559 Channel 2
2859 Channel 3
2260 Get Channel 1 Custom Curve
Units
2
nd
Character
INT Custom Curve
Units 2
nd
Custom
Character
2560 Channel 2
2860 Channel 3
2261 Get Channel 1 Custom Curve
Units
3
rd
Character
INT Custom Curve
Units 3
rd
Custom
Character
2561 Channel 2
2861 Channel 3
2262 Get Channel 1 Custom Curve
Units
4
th
Character
INT Custom Curve
Units 4
th
Custom
Character
2562 Channel 2
2862 Channel 3
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