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Supplementary Documentation
IFC090, IFC090 i with FF
IFC090 FF 01/2005
Parameter
HI_HI_PRI
HI_LIM
HI_PRI
IO_OPTS
L_TYPE
LO_ALM
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IFC090-FF Block Description
Access
Description
Priority of the high high alarm that specifies the behavior if OUT reaches
R/W
HI_HI_LIM. The following values are valid:
0
exceeding of high high limit isn't been evaluated
1
exceeding of high high limit is been evaluated, but
acknowledgement isn't necessary
2-7
exceeding of high high limit is been evaluated and reported
according to the given priority (2 = low priority, 7 = high
priority).
Status of OUT changes to Good(NC):
UnackAdvisoryAlarmHighLimited.
8-15
exceeding of high high limit is been evaluated and reported
according to the given priority (2 = low priority, 7 = high
priority).
Status of OUT changes to Good(NC):
UnackCriticalAlarmHighLimited.
The limit value in engineering units as of the HI_ALM is active (with subject
R/W
to HI_PRI).
see also: HI_PRI, HI_LIM
Priority of the high alarm that specifies the behavior if OUT reaches HI_LIM.
R/W
The following values are valid:
0
exceeding of high limit isn't been evaluated
1
exceeding of high limit is been evaluated, but
acknowledgement isn't necessary
2-7
exceeding of high limit is been evaluated and reported
according to the given priority (2 = low priority, 7 = high
priority).
Status of OUT changes to
Good(NC):UnackAdvisoryAlarmHighLimited.
8-16
exceeding of high limit is been evaluated and reported
according to the given priority (2 = low priority, 7 = high
priority).
Status of OUT changes to
Good(NC):UnackCriticalAlarmHighLimited.
Options which the user may select to alter input and output processing of the
R/W
Analog Input Block. The following option is supported by this block:
Low cutoff
see also: LOW_CUT
Determines how the values, passed by the Transducer Block to the Analog
R/W
Input Block, may be used. The following settings are valid:
Direct
Indirect
Indirect square root values are in different units and must be converted
with square root.
The conversion in case of 'Indirect' and 'Indirect square root' is
determined by parameters XD_SCALE and OUT_SCALE (see for
details).
see also: XD:SCALE, OUT_SCALE
With subject to the setting of LO_PRI, LO_ALM shows details about the high
R
alarm as acknowledge state and time stamp. See LO_PRI for details.
see also: LO_PRI, LO_LIM
The Analog Input low cutoff algorithm is enabled, i.e. if PV is
less than LOW_CUT, PV is set to '0.0'
values are used directly
values are in different units and must be converted
Page 18 of 44
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