Operation – KROHNE H250 M40 FOUNDATION FIELDBUS User Manual
Page 69
OPERATION
4
69
H250 M40
www.krohne.com
02/2014 - 4001208201 - AD H250 M40 FF R02 en
OUT_SCALE
OUT_SCALE
OUT_SCALE
OUT_SCALE
Output Scale
Output Scale
Output Scale
Output Scale
RW
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 OUT parameter and parameters which have the
same scaling as OUT.
EU at 100%
RW
The engineering unit value which represents the upper end of
range of the associated block parameter.
100
EU at 0%
RW
The engineering unit value which represents the lower end of
range of the associated block parameter.
0
Units Index
RW
Device Description units code index for the engineering unit
descriptor for the associated block value.
Uninitialized
Setting:
All units are possible.
Decimal Point
RW
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)
RW
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
RW
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%
RW
The engineering unit value which represents the upper end of
range of the associated block parameter.
100
EU at 0%
RW
The engineering unit value which represents the lower end of
range of the associated block parameter.
0
Units Index
RW
Device Description units code index for the engineering unit
descriptor for the associated block value.
Uninitialized
Setting:
All units are possible.
Decimal Point
RW
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
RW
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
Proportional Integral Derivative Block
Parameter
DD Name
Access
Description
settings
Initial Value
AD_H250_M40_FF_R02_en_4001208201_PRT.book Page 69 Friday, February 21, 2014 11:25 AM