KROHNE H250 M40 FOUNDATION FIELDBUS - Manual (Page 47)

OPERATION
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H250 M40
www.krohne.com 02/2014 - 4001208201 - AD H250 M40 FF R02 en
ALARM_STATE
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
• Clear-Not Reported
• Active-Reported
• Active-Not Reported
TIME_STAMP
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
Subcode
R An enumeration specifying the cause of the alert to be reported. Other
Setting:
• Other
• BlockConfiguration
• LinkConfiguration
• SimulationActive
• LocalOverride
• DeviceFaultState
• DeviceMaintenance
• InputFailure
• OutputFailure
• MemoryFailure
• LostStaticData
• LostNVData
• RbackCheck
• MaintenanceNeeded
• PowerUp
• OutOfService
VALUE
Float Value
R A numerical quantity entered by a user or calculated by the
algorithm.
0.0
LO_LO_ALM LO_LO_ALM LO_LO_ALM LO_LO_ALM
Low Low Alarm
The status of the low low alarm and its associated time stamp.
UNACKNOWLEDG
ED
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
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
• Clear-Not Reported
• Active-Reported
• Active-Not Reported
TIME_STAMP
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)
Analog Input Block
Parameter
DD Name Access Description
settings Initial
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