Almlimit table details
- Last UpdatedApr 24, 2025
- 3 minute read
The almlimit table is used by the Alternate Alarm Limits application. Each record in the almlimit table contains a set of alternative alarm limits referenced by an almlimitset record. The almlimit table contains the following internal fields:
|
Internal Field Name |
Data Type |
Description |
|---|---|---|
|
configuredInhibits |
stateInhibits |
A structure of information about the point's alternative alarm limits that apply to analog, rate, and flowTotalConfig points. |
|
configuredLimits |
almlimitsettings |
A structure of information about the state-based alarm inhibits. |
|
dataset |
doas_dset_slot |
This field indicates the dataset to which the record is assigned. Datasets are used to associate the record with the privileges assigned for each system mode. Once a record is assigned to a dataset value, the dataset can only be changed to a value for which the system has a privilege record. |
|
description |
description |
A description of the point, up to 47 characters in length. |
|
group |
groupslot |
Many records have this field. A group is assigned to all points that are closely related. |
|
memberOfSet |
almlimitsetslot |
The name of the almlimitset record that uses the alternative alarm limits configured in the almlimit record. |
|
name |
pntname |
The name of the almlimit record. |
|
state |
pntname |
The state of the associated multistate point that causes an analog, a rate, or a flowTotalConfig point to use the alternative alarm limits. |
|
configuredInhibits.inh_dev |
oas_boolean_t |
Inhibit Creep state alarming? |
|
configuredInhibits.inh_flat |
oas_boolean_t |
Inhibit Flatline state alarming? |
|
configuredInhibits.inh_hi |
oas_boolean_t |
Inhibit High state alarming? |
|
configuredInhibits.inh_hihi |
oas_boolean_t |
Inhibit HighHigh state alarming? |
|
configuredInhibits.inh_lo |
oas_boolean_t |
Inhibit Low state alarming? |
|
configuredInhibits.inh_lolo |
oas_boolean_t |
Inhibit LowLow state alarming? |
|
configuredInhibits.inh_roc |
oas_boolean_t |
Inhibit Rate of Change (ROC) state alarming? |
|
configuredInhibits.inh_setcreep |
oas_boolean_t |
Inhibit Setpoint Creep state alarming? |
|
configuredInhibits.inh_creep_plus |
oas_boolean_t |
Inhibit Positive Creep alarming? |
|
configuredInhibits.inh_creep_neg |
oas_boolean_t |
Inhibit Negative Creep alarming? |
|
configuredInhibits.inh_nel |
oas_boolean_t |
Inhibit Normal Empty Level alarming? |
|
configuredInhibits.inh_nfl |
oas_boolean_t |
Inhibit Normal Fill Level alarming? |
|
configuredInhibits.inh_RR |
oas_boolean_t |
Inhibit Rate Reasonability alarming? |
|
configuredInhibits.inh_uhi |
oas_boolean_t |
Inhibit User High alarming? |
|
configuredInhibits.inh_ulo |
oas_boolean_t |
Inhibit User Low alarming? |
|
configuredInhibits.inh_inst_hi |
oas_boolean_t |
Inhibit instrumentation failure high alarming? |
|
configuredInhibits.inh_inst_lo |
oas_boolean_t |
Inhibit instrumentation failure low alarming? |
|
configuredInhibits.inh_inst_rtu |
oas_boolean_t |
Inhibit instrumentation failure RTU alarming? |
|
configuredLimits.creepDevLim |
float |
The maximum deviation value (EGUs) that is acceptable before calibration deteriorates. |
|
configuredLimits.creepDevLimEnabled |
oas_boolean_t |
Enable the Creep Detection alarm? |
|
configuredLimits.deltatime |
long |
The time interval over which the system should calculate the ROC. |
|
configuredLimits.flattimeout |
unsigned short |
The maximum amount of time (in minutes) that can pass without an analog, a rate, or a flowTotalConfig value changing. |
|
configuredLimits.flattimeoutEnabled |
oas_boolean_t |
Enable Flatline Alarming? |
|
configuredLimits.hilim |
float |
The High alarm limit. |
|
configuredLimits.hilimEnabled |
oas_boolean_t |
Enable High alarm limits? |
|
configuredLimits.hihilim |
float |
The HighHigh alarm limit. |
|
configuredLimits.hihilimEnabled |
oas_boolean_t |
Enable HighHigh alarm limits? |
|
configuredLimits.lolim |
float |
The Low alarm limit. |
|
configuredLimits.lolimEnabled |
oas_boolean_t |
Enable Low alarm limits? |
|
configuredLimits.lololim |
float |
The LowLow alarm limit. |
|
configuredLimits.lololimEnabed |
oas_boolean_t |
Enable LowLow alarm limits? |
|
configuredLimits.negroclim |
float |
The maximum, negative allowable ROC (EGUs per second). |
|
configuredLimits.roclim |
float |
The maximum, positive allowable ROC (Engineering Units (EGUs) per second). |
|
configuredLimits.roclimEnabed |
oas_boolean_t |
Enable the ROC alarm? |
|
configuredLimits.roc_method_used |
ROC_method |
The method to use in calculating the ROC. |
|
configuredLimits.sptlolim |
float |
The lowest setpoint that can be issued. |
|
configuredLimits.spthilim |
float |
The highest setpoint that can be issued. |
|
configuredLimits.setCreeplimEnabled |
oas_boolean_t |
Enable the Setpoint Creep alarm? |
|
configuredLimits.setCreeplim |
float |
The system generates an alarm when the current value of an analog point deviates this much beyond the commanded setpoint. |
|
configuredLimits.lololimEnabled |
oas_boolean_t |
Enable the low low alarm limit. |
|
configuredLimits.nellimEnabled |
oas_boolean_t |
Enable or disable normal empty level alarming. |
|
configuredLimits.nellim |
float |
Normal empty alarm limit. |
|
configuredLimits.nfllimEnabled |
oas_booleat_t |
Enable or disable normal fill limit alarming. |
|
configuredLimits.nfllim |
float |
Normal fill alarm limit. |