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Operation – KROHNE GFC 300 FOUNDATION FIELDBUS User Manual

Page 34

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OPERATION

34

GFC 300

www.krohne.com

07/2012 - 4001866001 - AD GFC 300 FF R01 en

VALUE

Value

R

A numerical quantity entered by a user or calculated by the

algorithm.

-

PRIMARY_VALUE_

PRIMARY_VALUE_

PRIMARY_VALUE_

PRIMARY_VALUE_

RANGE_5

RANGE_5

RANGE_5

RANGE_5

enthalpy flow

enthalpy flow

enthalpy flow

enthalpy flow

range

range

range

range

The high and low range limit values, the engineering units

code and the number of digits to the right of the decimal point

to be used to display the Primary Value.

-

EU_100

Engineering Unit

100

R

The engineering unit value which represents the upper end of

range of the associated Block Parameter.

NaN

EU_0

Engineering Unit 0

R

The engineering unit value which represents the lower end of

range of the associated Block Parameter.

-NaN

UNITS_INDEX

Units Index

R/W

Device Description units code index for the engineering unit

descriptor for the associated block value.

W

Settings:

W; GW; MW; kW; mW; Mcal/h; MJ/h; Btu/h; kcal/s; kcal/min;

kcal/h; kcal/d; Mcal/s; Mcal/min; Mcal/d; kJ/s; kJ/min; kJ/h;

kJ/d; MJ/s; MJ/min; MJ/d; Btu/s; Btu/min; Btu/day

DECIMAL

Decimal (Point)

R

The number of digits to the right of the decimal point which

should be used by an interface device in displaying the

specified parameter.

0

PRIMARY_VALUE_

PRIMARY_VALUE_

PRIMARY_VALUE_

PRIMARY_VALUE_

TYPE6

TYPE6

TYPE6

TYPE6

Primary Value

Primary Value

Primary Value

Primary Value

Type6

Type6

Type6

Type6

R

The type of measurement represented by the primary value.

For example: mass flow, absolute pressure, differential

temperature

specific enthalpy

PRIMARY_VALUE_

PRIMARY_VALUE_

PRIMARY_VALUE_

PRIMARY_VALUE_

6666

specific enthalpy

specific enthalpy

specific enthalpy

specific enthalpy

The measured specific enthalpy value and status available to

the Function Block.

-

STATUS

Status

R

Digital transducers, unlike their analogue versions, can detect

faults that make the measurement bad or prevent the

actuator from responding. This additional, valuable

information will be passed along with each transmission of a

data value in the form of a status attribute.

-

VALUE

Value

R

A numerical quantity entered by a user or calculated by the

algorithm.

-

PRIMARY_VALUE_

PRIMARY_VALUE_

PRIMARY_VALUE_

PRIMARY_VALUE_

6_

6_

6_

6_

RANGE

RANGE

RANGE

RANGE

specific enthalpy

specific enthalpy

specific enthalpy

specific enthalpy

range

range

range

range

The high and low range limit values, the engineering units

code and the number of digits to the right of the decimal point

to be used to display the Primary Value.

-

EU_100

Engineering Unit

100

R

The engineering unit value which represents the upper end of

range of the associated Block Parameter.

NaN

EU_0

Engineering Unit 0

R

The engineering unit value which represents the lower end of

range of the associated Block Parameter.

-NaN

UNITS_INDEX

Units Index

R/W

Device Description units code index for the engineering unit

descriptor for the associated block value.

kJ/kg

Settings:

J/kg; MJ/kg; kJ/kg; kcal/kg; Btu/lb; J/gm

DECIMAL

Decimal (Point)

R

The number of digits to the right of the decimal point which

should be used by an interface device in displaying the

specified parameter.

2

PRIMARY_VALUE_

PRIMARY_VALUE_

PRIMARY_VALUE_

PRIMARY_VALUE_

TYPE7

TYPE7

TYPE7

TYPE7

Primary Value

Primary Value

Primary Value

Primary Value

Type7

Type7

Type7

Type7

R

The type of measurement represented by the primary value.

For example: mass flow, absolute pressure, differential

temperature

density

Parameter

Parameter

Parameter

Parameter
DD name

Access

Description and settings

Initial Value