KROHNE H250 M40 FOUNDATION FIELDBUS - Manual (Page 60)

4
OPERATION
60
H250 M40
www.krohne.com 02/2014 - 4001208201 - AD H250 M40 FF R02 en
ST_REV ST_REV ST_REV ST_REV
Static Revision Static Revision Static Revision Static Revision
R The revision level of the static data associated with the
function block. The revision value will be incremented each
time a static parameter value in the block is changed.
0
Setting:
0...65635
STRATEGY STRATEGY STRATEGY STRATEGY
Strategy Strategy Strategy Strategy
RW This parameter can be used to create groups of blocks by
control system. This data is not checked or processed by the
block.
0 (=uninitialized)
Setting:
0...65635
TAG_DESC TAG_DESC TAG_DESC TAG_DESC
Tag Description Tag Description Tag Description Tag Description
RW The user description of the intended application of the block. spaces
Setting:
≤32 digits
ACK_OPTION ACK_OPTION ACK_OPTION ACK_OPTION
Acknowledge Acknowledge Acknowledge Acknowledge
Option Option Option Option
RW Selection of whether alarms associated with the function
block will be automatically acknowledged.
No option selected
Setting:
• HiHi Alm Disabled: HiHi alarm disabled
• Hi Alm Disabled: Hi alarm disabled
• LoLo Alm Disabled: LoLo alarm disabled
• Lo Alm Disabled: Lo alarm disabled
• DevHi Alm Disabled: Deviation Hi alarm disabled
• DevLo Alm Disabled: Deviation Lo alarm disabled
• Block Alm Disabled: Block alarm disabled
ALARM_HYS ALARM_HYS ALARM_HYS ALARM_HYS
Alarm Hysteresis Alarm Hysteresis Alarm Hysteresis Alarm Hysteresis
RW Amount the PV must return within the alarm limits before the
alarm condition clears. Alarm hysteresis expressed as a
percent of the span of the PV.
0.5
Setting:
0.0...50.0%
ALARM_SUM ALARM_SUM ALARM_SUM ALARM_SUM
Alarm Summary Alarm Summary Alarm Summary Alarm Summary
The current alert status, unacknowledged states, unreported
states and disabled states of the alarms associated with the
function block.
Current R The active status of each alarm. Uninitialized
Unacknowledged Setting:
• HiHi Alarm: HiHi alarm active
• Hi Alarm: Hi alarm active
• LoLo Alarm: LoLo alarm active
• Lo Alarm: Lo alarm active
• DevHi Alarm: Deviation Hi alarm active
• DevLo Alarm: Deviation Lo alarm active
• Block Alarm: Block Alarm Active
Unreported
Disabled
BAL_TIME BAL_TIME BAL_TIME BAL_TIME
Balance Time Balance Time Balance Time Balance Time
RW This specifies the time for the internal working value of bias or
ratio to return to the operator set bias or ratio, in seconds. In
the PID block, it may be used to specify the time constant at
which the integral term will move to obtain balance when the
output is limited and the mode is Auto, Cas or RCas.
0
Setting:
0.0 s
BKCAL_HYS BKCAL_HYS BKCAL_HYS BKCAL_HYS
Back Calculation Back Calculation Back Calculation Back Calculation
Hysteresis Hysteresis Hysteresis Hysteresis
RW Limits the minimum output value for modes other than
"Manual". The limit status is turned off, expressed as a
percent of the span of the output.
0.5
Setting:
0.0...50.0%
Proportional Integral Derivative Block
Parameter
DD Name Access Description
settings Initial Value
AD_H250_M40_FF_R02_en_4001208201_PRT.book Page 60 Friday, February 21, 2014 11:25 AM