Operation – KROHNE H250 M40 FOUNDATION FIELDBUS User Manual
Page 64
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OPERATION
64
H250 M40
www.krohne.com
02/2014 - 4001208201 - AD H250 M40 FF R02 en
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
Setting:
0...255
DV_HI_LIM
DV_HI_LIM
DV_HI_LIM
DV_HI_LIM
Deviation High
Deviation High
Deviation High
Deviation High
Limit
Limit
Limit
Limit
RW
The setting of the high deviation alarm limit in engineering
units.
+INF
DV_HI_PRI
DV_HI_PRI
DV_HI_PRI
DV_HI_PRI
Deviation High
Deviation High
Deviation High
Deviation High
Priority
Priority
Priority
Priority
RW
Priority of the high deviation alarm.
0
Setting:
0...15
DV_LO_ALM
DV_LO_ALM
DV_LO_ALM
DV_LO_ALM
Deviation Low
Deviation Low
Deviation Low
Deviation Low
Alarm
Alarm
Alarm
Alarm
The status and time stamp associated with the low deviation
alarm.
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".
Proportional Integral Derivative Block
Parameter
DD Name
Access
Description
settings
Initial Value
AD_H250_M40_FF_R02_en_4001208201_PRT.book Page 64 Friday, February 21, 2014 11:25 AM