Instruction Manual
Instruction Manual
D103434X012
Blocks
November 2014
96
Table B‐12. PID Function Block System Parameters Definitions (Continued)
DescriptionInitial ValueRange
Block
Mode
RO /
RW
Index
Number
Label
PARAMETER_NAME
Alarm Summary
ALARM_SUM
45
Data Type: DS‐74
Current alert status, unacknowledged states,
unreported states, and disabled states of the
alarms associated with the function block.
CURRENT 45.1 RO ALL
1: High High Alarm
2: High Alarm
3: Low Low Alarm
4: Low Alarm
5: Deviation High Alarm
6: Deviation Low Alarm
7: Block Alarm
Dynamic
UNACKNOWLEDGED 45.2 RO ALL
UNREPORTED 45.3 RO ALL
DISABLED 45.4 RW ALL
Acknowledge Option
ACK_OPTION
46 NA
1: High High Alarm
2: High Alarm
3: Low Low Alarm
4: Low Alarm
5: Deviation High Alarm
6: Deviation Low Alarm
7: Block Alarm
All bits: 0
Data Type: Bit String
0=Disable
1=Enable
Used to set auto acknowledgment of alarms.
Alarm Hysteresis
ALARM_HYS
47 ALL 0 to 50% 0.50%
Data Type: Float
The amount the alarm value must return to within
the alarm limit before the associated active alarm
condition clears.
High High Priority
HI_HI_PRI
48 ALL 0 to 15 0
Data Type: Unsigned8
The priority of the HI HI Alarm.
High High Limit
HI_HI_LIM
49 ALL PV_SCALE, or +INF +INF
Data Type: Float
The setting for the alarm limit used to detect the
HI HI alarm condition.
High Priority
HI_PRI
50 ALL 0 to 15 0
Data Type: Unsigned8
The priority of the HI alarm.
High Limit
HI_LIM
51 ALL PV_SCALE, or +INF +INF
Data Type: Float
The setting for the alarm limit used to detect the
HI alarm condition.
Low Priority
LO_PRI
52 ALL 0 to 15 0
Data Type: Unsigned8
The priority of the LO alarm.
Low Limit
LO_LIM
53 ALL PV_SCALE, or ‐INF ‐INF
Data Type: Float
The setting for the alarm limit used to detect the
LO alarm condition.
Low Low Priority
LO_LO_PRI
54 ALL 0 to 15 0
Data Type: Unsigned8
The priority of the LO LO alarm.
Low Low Limit
LO_LO_LIM
55 ALL PV_SCALE, or ‐INF ‐INF
Data Type: Float
The setting for the alarm limit used to detect the
LO LO alarm condition.
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 NA
0=Undefined
1=Acknowledged
2=
Unacknowledged
0=undefined
ALARM_STATE 60.2 RO NA
0=Undefined
1=Clear reported
2=Clear not reported
3=Active reported
4=Active not reported
0=undefined
TIME_STAMP 60.3 RO NA 0
SUBCODE 60.4 RO NA 0
-Continued-