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KROHNE OPTISONIC V6 Modbus User Manual

Page 25

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2011-07-19

OPTISONIC_V6_Modbus_6.doc

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ts

Parameter / Variable
(short description)

Name

Explanation

Relative
address

Absolute

address,

non-

Modicon

Absolute

address,

Modicon-

comp.

Units

Flow average

AV_FlowProces

Volume flow rate value, average.

62

7062

7124-7125

(2 regs)

m

3

/s

Flow standard deviation

SD_FlowProces

Standard deviation of volume flow rate (“batchwise calculation”).

63

7063

7126-7127

(2 regs)

%

Flow standard deviation Tau

SD_FlowProcesTau Standard deviation of volume flow rate ("running calculation”).

64

7064

7128-7129

(2 regs)

%

SoS standard deviation

SD_SoS

Speed of Sound standard deviation.

65

7065

7130-7131

(2 regs)

%

Channel velocity, standard
deviation, channel 1-3

Ch_SD_Velocity

Gas velocity, standard deviation, as observed on each channel;
array with values for channel 1 through 3.

66-68

7066-7068

(3 regs)

7132-7137

(6 regs)

%

Reserved

Reserved

Reserved

69-71

7069-7071

(3 regs)

7138-7143

(6 regs)

-

Channel SoS, standard
deviation, channel 1-3

Ch_SD_SoS

Speed of Sound, standard deviation, as observed on each
channel; array with values for channel 1 through 3.

72-74

7072-7074

(3 regs)

7144-7149

(6 regs)

%

Reserved

Reserved

Reserved

75-77

7075-7077

(3 regs)

7150-7155

(6 regs)

-

Overall weighted reliability

Weighted_Reliability

The reliabilities of the individual paths are combined in an overall
figure using the weighing factors of the paths.

78

7078

7156-7157

(2 regs)

%

8.8

Holding Registers (read/write): Float (32-bit) floating-point, address range 7500-7999

Parameter / Variable
(short description)

Name

Explanation

Relative
address

Absolute

address,

non-

Modicon

Absolute

address,

Modicon-

comp.

Units

Test register

TestRegister float32

Register reserved for testing communications and protocol
handling with this type of register, without affecting the operation
of the flow meter.

0

7500

7500-7501

(2 regs)

-