Write to Alarm Properties
- Last UpdatedSep 11, 2025
- 1 minute read
If you have the necessary access rights, you can write to the following alarm properties. (Remember, the value you write to the property relates to the description. For example, if you set a digital alarm property to 1, you are making the description TRUE. If you set it to 0 (zero), you are making it FALSE.)
|
Property |
Description |
Input Type |
|---|---|---|
|
.Ack |
Alarm acknowledged (once acknowledged cannot be "unacknowledged") |
Digital |
|
.Category |
Alarm category |
Integer |
|
.Deadband |
Alarm deadband |
Real |
|
.Delay |
Alarm delay |
Long |
|
.Deviation |
Deviation from setpoint |
Real |
|
.Disabled |
Alarm disabled |
Digital |
|
.HighHigh |
High High |
Real |
|
.High |
High |
Real |
|
.LowLow |
Low Low |
Real |
|
.Low |
Low |
Real |
|
.HHDelay |
High High delay |
Long |
|
.HDelay |
High delay |
Long |
|
.LDelay |
Low delay |
Long |
|
.LLDelay |
Low Low delay |
Long |
|
.DevDelay |
Deviation delay |
Long |
|
.Custom1 |
Custom field |
String |
|
.Paging |
Alarm paged |
Boolean |
|
.PagingGroup |
The paging group the alarm belongs to. |
String |
|
.Rate |
Rate of change |
Real |
Analog alarm thresholds can also be changed using the AlarmSetThreshold function.
Note the following:
-
The alarm tag needs to be unique.
-
The alarms databases in the included projects on the alarm servers and the control client computer need to be identical.