Registers
Modbus RS485 Interface
Operating Guide
- 21 -
Registers
Sensor Readings
Register
#
Access
Rule
Channel Name Data
Format
Description of
Attribute
Semantics of Values
Auxiliary mA Input Readings
2100 Get Channel 1 Auxiliary
Reading
FLOAT Reading Value depends upon
channel range
2400 Channel 2
2700 Channel 3
2102 Get Channel 1 First Custom
Character
INT 1
st
Character Of Custom
Units
ASCII Character
Refer to Table 1 for further
information.
2402 Channel 2
2702 Channel 3
2103 Get Channel 1 Second Custom
Character
INT 2
nd
Character Of Custom
Units
2403 Channel 2
2703 Channel 3
2104 Get Channel 1 Third Custom
Character
INT 3
rd
Character Of Custom
Units
2404 Channel 2
2704 Channel 3
2105 Get Channel 1 Fourth Custom
Character
INT 4
th
Character Of Custom
Units
2405 Channel 2
2705 Channel 3
2106 Get Channel 1 Fifth Custom
Character
INT 5
th
Character Of Custom
Units
2406 Channel 2
2706 Channel 3
2107 Get Channel 1 Sixth Custom
Character
INT 6
th
Character Of Custom
Units
2407 Channel 2
2407 Channel 3
2108 Get Channel 1 mA Reading FLOAT Current Input Reading
(in mA)
0 to 24.00
2408 Channel 2
2408 Channel 3
Conventional Conductivity Readings
2150 Get Channel 1 Conductivity
Reading
FLOAT Conductivity Reading Value depends upon
channel range
2450 Channel 2
2750 Channel 3
2152 Get Channel 1 Conductivity
Units
INT Conductivity Reading
Units
300 = µs
2452 Channel 2 400 = mS
2752 Channel 3
2153 Get Channel 1 Resistivity
Reading*
FLOAT Resistivity Reading
*(only available when
units set to resistivity)
Value depends upon
channel range
2453 Channel 2
2753 Channel 3
2155 Get Channel 1 Resistivity
Units*
INT Resistivity Reading Units
*(only available when
units set to resistivity)
100 = KΩ
2455 Channel 2 200 = MΩ
2755 Channel 3
2156 Get Channel 1 TDS Reading* FLOAT TDS Reading
*(only available when
units set to TDS)
Value depends upon
channel range
2456 Channel 2
2756 Channel 3
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