
115
Reference Manual
00809-0100-4697, Rev GA
Appendix D: Function Blocks
November 2014
Function Blocks
D.3.1
Functionality
Figure D-5. Input Selector Function Block Schematic
36
ALARM_HYS
Percent
The amount the alarm value must return within the
alarm limit before the associated active alarm condition
clears
37
HI_HI-PRI
None
The priority of the HI HI alarm
38
HI_HI_LIM
Percent
The setting for the alarm limit used to detect the HI HI
alarm condition.
39
HI_PRI
None
The priority of the HI alarm
40
HI_LIM
EU of IN
The setting for the alarm limit used to detect the HI
alarm condition
41
LO_PRI
None
The priority of the LO alarm
42
LO_LIM
EU of IN
The setting of the alarm limit used to detect the LO
alarm condition
43
LO_LO_PRI
None
The priority of the LO LO alarm
44
LO_LO_LIM
EU of IN
The setting for the alarm limit sued to detect the LO LO
alarm condition
45
HI_HI_ALM
None
The HI HI alarm data, which includes a value of the
alarm, a timestamp of occurrence and the state of the
alarm
46
HI_ALM
None
The HI alarm data, which includes a value of the alarm,
a timestamp of occurrence and the state of the alarm
47
LO_ALM
None
The LO alarm data, which includes a value of the alarm,
a timestamp of occurrence and the state of the alarm
48
LO_LO_ALM
None
The LO LO alarm data, which includes a value of the
alarm, a timestamp of occurrence and the state of the
alarm
49
OUT_D
None
Discrete output to indicate a selected alarm value
50
ALM_SEL
None
Used to select the process alarm conditions that will
cause the OUT_D parameter to be set.
Table D-6. Input Selector Function Block Parameters
Number
Parameter
Units
Description
Mode Logic
OP_SELECT
OUT_D
Al
ar
m
MIN_GOOD
ST
A
T
US_O
PTS
DISABLE_n
IN_n
Selection
Logic
SELE
C
T
_T
YP
E
SELECTED
OUT
Содержание Rosemount 848T
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