PID Function Block
March 2006
5-91
Table 5-31. PID Function Block System Parameters Definitions (Continued)
Label
PARAMETER_NAME
DescriptionInitial ValueRange
Block
Mode
RO /
RW
Index
Number
Deviation High Priority
DV_HI_PRI
56 ALL 0 to 15 0
Data Type: Unsigned8
The priority of the deviation high alarm.
Deviation High Limit
DV_HI_LIM
57 ALL PV_SCALE, or +INF +INF
Data Type: Float
The setting for the alarm limit used to detect the
deviation high alarm condition.
Deviation Low Priority
DV_LO_PRI
58 ALL 0 to 15 0
Data Type: Unsigned8
The priority of the deviation low alarm.
Deviation Low Limit
DV_LO_LIM
59 ALL −INF, or −PV span to 0 −INF
Data Type: Float
The setting for the alarm limit use to detect the
deviation low alarm condition.
High High Alarm
HI_HI_ALM
60
Data Type: DS-71
The HI HI alarm data, which includes a value of
the alarm, a timestamp of occurrence, and the
state of the alarm.
VALUE Data Type: Float
UNACKNOWLEDGED 60.1 RW N/A
0=Undefined
1=Acknowledged
2=
Unacknowledged
0=undefined
ALARM_STATE 60.2 RO N/A
0=Undefined
1=Clear reported
2=Clear not reported
3=Active reported
4=Active not reported
0=undefined
TIME_STAMP 60.3 RO N/A 0
SUBCODE 60.4 RO N/A 0
VALUE 60.5 RO N/A 0
High Alarm
HI_ALM
61
Data Type: DS-71
The HI alarm data, which includes a value of the
alarm, a timestamp of occurrence, and the state
of the alarm.
VALUE Data Type: Float
UNACKNOWLEDGED 61.1 RW N/A
0=Undefined
1=Acknowledged
2=
Unacknowledged
0=undefined
ALARM_STATE 61.2 RO N/A
0=Undefined
1=Clear reported
2=Clear not reported
3=Active reported
4=Active not reported
0=undefined
TIME_STAMP 61.3 RO N/A 0
SUBCODE 61.4 RO N/A 0
VALUE 61.5 RO N/A 0
Low Alarm
LO_ALM
62
Data Type: DS-71
The LO alarm data, which includes a value of the
alarm, a timestamp of occurrence, and the state
of the alarm.
VALUE Data Type: Float
UNACKNOWLEDGED 62.1 RW N/A
0=Undefined
1=Acknowledged
2=
Unacknowledged
0=undefined
ALARM_STATE 62.2 RO N/A
0=Undefined
1=Clear reported
2=Clear not reported
3=Active reported
4=Active not reported
0=undefined
TIME_STAMP 62.3 RO N/A 0
SUBCODE 62.4 RO N/A 0
VALUE 62.5 RO N/A 0
Low Low Alarm
LO_LO_ALM
63
Data Type: DS-71
The LO LO alarm data, which includes a value of
the alarm, a timestamp of occurrence, and the
state of the alarm.
VALUE Data Type: Float
UNACKNOWLEDGED 63.1 RW N/A
0=Undefined
1=Acknowledged
2=
Unacknowledged
0=undefined
ALARM_STATE 63.2 RO N/A
0=Undefined
1=Clear reported
2=Clear not reported
3=Active reported
4=Active not reported
0=undefined
TIME_STAMP 63.3 RO N/A 0
SUBCODE 63.4 RO N/A 0
VALUE 63.5 RO N/A 0
−Continued−
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