KROHNE H250 M40 FOUNDATION FIELDBUS - Manual (Page 68)

4
OPERATION
68
H250 M40
www.krohne.com 02/2014 - 4001208201 - AD H250 M40 FF R02 en
LO_LIM LO_LIM LO_LIM LO_LIM
Low Limit Low Limit Low Limit Low Limit
RW The setting for Low Alarm in engineering units. -INF
LO_LO_ALM LO_LO_ALM LO_LO_ALM LO_LO_ALM
Low Low Alarm Low Low Alarm Low Low Alarm Low Low Alarm
The status of the Low Low Alarm and its associated time
stamp.
Unacknowledged RW A discrete enumeration which is set to "Unacknowledged"
when an alarm occurs, and set to "Acknowledged" by a write
from a human interface device or other entity which can
acknowledge that the alarm/event has been noticed.
Uninitialized
Setting:
Uninitialized / Acknowledged / Unacknowledged
Alarm State R A discrete enumeration which gives an indication of whether
the alert is active and whether it has been reported.
Uninitialized
Setting:
• Uninitialized
• Clear - reported: Alarm not active and reported
• Clear - not reported: Alarm not active and not reported
• Active - reported: Alarm active and reported
• Active - not reported: Alarm active and not reported
Time Stamp R The time when evaluation of the block was started and a
change in alarm/event state was detected that is unreported.
The time stamp value will be maintained constant until alert
confirmation has been received - even if another change of
state occurs.
Uninitialized
Setting:
MM / DD / YY (Month / Day / Year)
HH:MM:SS (Hour:Minute:Second)
Subcode R An enumeration specifying the cause of the alert to be
reported.
Other
Setting:
Settings see above parameter "BLOCK_ALM", subelement
"Subcode".
Value R The value of the associated parameter at the time the alert
was detected.
0
LO_LO_LIM LO_LO_LIM LO_LO_LIM LO_LO_LIM
Low Low Limit Low Low Limit Low Low Limit Low Low Limit
RW The setting for Low Low Alarm in engineering units. -INF
LO_LO_PRI LO_LO_PRI LO_LO_PRI LO_LO_PRI
Low Low Priority Low Low Priority Low Low Priority Low Low Priority
RW Priority of the Low Low Alarm. 0
Setting:
0...15
LO_PRI LO_PRI LO_PRI LO_PRI
Low Priority Low Priority Low Priority Low Priority
RW Priority of the Low Alarm. 1
Setting:
Max. 15
OUT OUT OUT OUT
Output Output Output Output
The primary analog value calculated as a result of executing
the function block.
Status RW Status of OUT
Value RW Value of OUT
OUT_HI_LIM OUT_HI_LIM OUT_HI_LIM OUT_HI_LIM
Output High Limit Output High Limit Output High Limit Output High Limit
RW Limits the maximum output value for modes other than
"Manual".
100
OUT_LO_LIM OUT_LO_LIM OUT_LO_LIM OUT_LO_LIM
Output Low Limit Output Low Limit Output Low Limit Output Low Limit
RW Limits the minimum output value for modes other than
"Manual".
0
Proportional Integral Derivative Block
Parameter
DD Name Access Description
settings Initial Value
AD_H250_M40_FF_R02_en_4001208201_PRT.book Page 68 Friday, February 21, 2014 11:25 AM