Operation – KROHNE MFC 300 FOUNDATION FIELDBUS EN User Manual
Page 53
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