Use the Application Calculation Engine (ACE) summary window
- Last UpdatedApr 24, 2025
- 2 minute read
The Application Calculation Engine (ACE) Summary window provides information in a tabular format about the system’s points and their associated ACE procedures.
The points displayed are determined by the current Controller's view area selections. The summary also allows you to filter point information by code or group.
To use the ACE Summary window
-
Open the easy eXtended Operator Station (ezXOS).
-
Expand the System Displays panel on the Navigation Menu.
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Select Application Calculation Engine (ACE).

ACE Summary Window Description
|
Field |
Description |
|---|---|
|
Name |
The pre-configured name of the ACE record. |
|
Output Point |
Indicates the location where the system writes the data resulting from an ACE code (acecode) execution. |
|
Last Run |
The last time the calculation or control routine ran. |
|
Enabled |
ACE calculations are stored in the ACE Configuration (aceconfig) records in the RealTime database (RTDB). In each aceconfig record, there is an enabled field that controls whether or not the ACE server executes that point. This flag starts out as true for every point, and is set to false if there is a problem in executing the routine. For example, the following conditions cause a point to be disabled and will raise an alarm to notify the Controller of the problem:
|