Instruction Manual

2
2610 DO Sensor MODBUS Manual
Register
Size
(registers)
Mode & Access
Level (R/W)
Data
Type
Description
Dissolved Oxygen Concentration
40038 2 R1 fl oat Measured value, C
0
40040 1 R1 ushort Parameter ID = 20
40041 1 R1/W2 ushort
Units ID
117 = mg/L (default)
118 = μg/L
40042 1 R1 ushort Data Quality ID
40043 2 R1/W3 fl oat Off line sentinel value (default = 0.0)
40045 1 R1 16 bits Available Units = 0x0030 (48)
Temperature
40046 2 R1 fl oat Measured value
40048 1 R1 ushort Parameter ID = 1
40049 1 R1/W2 ushort
Units ID
1 = °C (default)
2 = °F
40050 1 R1 ushort Data Quality ID
40051 2 R1/W3 fl oat Off line sentinel value (default = 0.0)
40053 1 R1 16 bits Available Units = 0x0003 (3)
Dissolved Oxygen %Saturation
40054 2 R1 fl oat Measured value
40056 1 R1/W2 ushort Parameter ID = 21
40057 1 R1/W2 ushort
Units ID
177 = percent saturation (default)
40058 1 R1 ushort Data Quality ID
40059 2 R1/W3 fl oat Off line sentinel value (default = 0.0)
40061 1 R1 16 bits Available Units = 0x0001 (1
Oxygen Partial Pressure
40062 2 R1 fl oat Measured value
40064 1 R1 ushort Parameter ID = 2 (pressure)
40065 1 R1/W2 ushort
Units ID
26 = torr (default)
40066 1 R1 ushort Data Quality ID
40067 2 R1/W3 fl oat Off line sentinel value (default = 0.0)
40069 1 R1 16 bits Available Units = 0x0200 (512)
Modbus Registers
Device Specifi c Measurement Registers