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Operation – KROHNE MFC 300 FOUNDATION FIELDBUS EN User Manual

Page 53

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OPERATION

4

53

MFC 300

www.krohne.com

02/2013 - 4001086702 - AD MFC 300 FF R02 en

Units Index

R/W

Device Description units code index for the engineering unit

descriptor for the associated block value.

Uninitialized

Setting:

All units are possible.

Decimal Point

R/W

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

PV

PV

PV

PV

Process Value

Process Value

Process Value

Process Value

R

This alert is generated by any change to the static data.

-

Status

R

Status of PV

-

Value

R

Value of PV

-

PV_FTIME

PV_FTIME

PV_FTIME

PV_FTIME

PV F Time

PV F Time

PV F Time

PV F Time

(Process Value

(Process Value

(Process Value

(Process Value

Filter Time

Filter Time

Filter Time

Filter Time

Constant)

Constant)

Constant)

Constant)

R/W

Time constant of a single exponential filter for the PV, in

seconds.

0

Setting:

0.0…30.0

PV_SCALE

PV_SCALE

PV_SCALE

PV_SCALE

Process Value

Process Value

Process Value

Process Value

Scale

Scale

Scale

Scale

R/W

The high and low scale values, engineering units code and

number of digits to the right of the decimal point to be used in

displaying the PV parameter and parameters which have the

same scaling as PV.

-

EU at 100%

R/W

The engineering unit value which represents the upper end of

range of the associated block parameter.

100

EU at 0%

R/W

The engineering unit value which represents the lower end of

range of the associated block parameter.

0

Units Index

R/W

Device Description units code index for the engineering unit

descriptor for the associated block value.

Uninitialized

Setting:

All units are possible.

Decimal Point

R/W

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

RATE

RATE

RATE

RATE

Rate

Rate

Rate

Rate

R/W

Defines the derivative time constant, in seconds.

0

RCAS_IN

RCAS_IN

RCAS_IN

RCAS_IN

Remote Cascade

Remote Cascade

Remote Cascade

Remote Cascade

Input

Input

Input

Input

R

Target setpoint and status provided by a supervisory host to a

analog control or output block.

-

Status

R

Status of RCAS_IN

-

Value

R

Value of RCAS_IN

-

RCAS_OUT

RCAS_OUT

RCAS_OUT

RCAS_OUT

Remote Cascade

Remote Cascade

Remote Cascade

Remote Cascade

Output

Output

Output

Output

R

Block setpoint and status after ramping - provided to a

supervisory host for back calculation and to allow action to be

taken under limiting conditions or mode change.

-

Status

R

Status of RCAS_OUT

-

Value

R

Value of RCAS_OUT

-

RESET

RESET

RESET

RESET

Reset

Reset

Reset

Reset

R/W

The integral time constant, in seconds per repeat.

+INF

ROUT_IN

ROUT_IN

ROUT_IN

ROUT_IN

Remote Out Input

Remote Out Input

Remote Out Input

Remote Out Input

R

Target output and status provided by a host to the control

block for use as the output (ROut mode).

-

Status

R

Status of ROUT_IN

-

Value

R

Value of ROUT_IN

-

ROUT_OUT

ROUT_OUT

ROUT_OUT

ROUT_OUT

Remote Out Output

Remote Out Output

Remote Out Output

Remote Out Output

R

Block output and status - provided to a host for back

calculation in ROut mode and to allow action to be taken under

limited conditions or mode change.

-

Status

R

Status of ROUT_OUT

-

Parameter

Parameter

Parameter

Parameter
DD name

Access

Description and settings

Initial Value