OPC Alarms and Events 1.7.2
- Last UpdatedOct 20, 2026
- 3 minute read
The OPC Alarm and Events specification defines a means for transmitting alarm and event information between OPC servers and clients.
PI Interface for OPC Alarms and Events 1.7.2, released July 2023, is a maintenance release that focuses on improving the stability and usability of the interface.
For more information on product features and functions, including system requirements and installation/uninstallation instructions, refer to PI Interface for OPC Alarms and Events guide.
The latest information about the OPC Alarms and Events 1.7.2 release is available online on the AVEVA Documentation Portal.
New features and enhancements
There are no new features or enhancements in this release.
Resolved issues
This section lists items resolved in this release:
|
Work Item |
Description |
|---|---|
|
49840 |
PI Interface for OPC Alarms and Events parameter /RF now activates the setting. |
|
52713 |
IO Rate Health tag to update as expected when the heartbeat tag updates. |
|
52734 |
The interface no longer allows the user to add more than 32 event category attributes per event category. |
|
52744 |
Code Page can now be set by the customer with the /codepage parameter. |
|
52790 |
The command line parameters are now properly handled and not ignored. |
|
69051 |
The PI Interface for OPC Alarms and Events AEConfig now adheres to Microsoft's COM Security policy of Packet Integrity. |
|
70399 |
The Interface is able to read alarms and events data from a DeltaV AE server when using a wildcard coupled with the area in the InstrumentTag PI Tag Attribute. |
Additionally, the following items were resolved for OPC Alarms and Events - ICU Control:
|
Work Item |
Description |
|---|---|
|
52730 |
Negative event category no longer triggers an Error Dialog. |
|
52734 |
The interface no longer allows the user to add more than 32 event category attributes in the ICU Control. |
Known Issues
There are no known issues for this release.
Security information and guidance
We are committed to releasing secure products. This section is intended to provide relevant security-related information to guide your installation or upgrade decision.
We proactively disclose aggregate information about the number and severity of security vulnerabilities addressed in each release. The tables below provide an overview of security issues addressed and their relative severity based on standard scoring.
Overview of new vulnerabilities - Fixed or Mitigated
This section is intended to provide relevant security-related information to guide your installation or upgrade decision. AVEVA is proactively disclosing aggregate information about the number and severity of PI Interface for AVEVA Batch Management security vulnerabilities that are fixed in this release.
For this release of PI Interface for AVEVA Batch Management, the following vulnerabilities have been fixed or mitigated.
Security vulnerabilities fixed in PI Interface for OPC Alarms and Events 1.7.2 release
|
Severity Category |
CVSS Base Score Range |
Number of Fixed Vulnerabilities |
|---|---|---|
|
Critical |
9 - 10 |
0 |
|
High |
7.0 - 8.9 |
0 |
|
Medium |
4.0 - 6.9 |
0 |
|
Low |
0 - 3.9 |
0 |
Distribution Kit Files
|
Product |
Software Version |
|---|---|
|
PI Interface for OPC Alarms and Events |
1.7.2.49 |
|
PI Interface for OPC Alarms and Events - ICU Control |
1.7.2.49 |
|
OSIsoft MS VB Runtime Redistributables |
1.0.1 |
|
Microsoft Visual C++ 2019 Redistributable (x86 and x64) |
14.21.27702 |
|
PI SDK 2018 SP1 Patch 3 (x86 and x64) |
1.4.7.620 |
|
PI GenericNames DLL |
1.3.5.25 |
|
PI Spt DLL |
1.2.4.0 |
|
PI Network Subsystem Support (PINS)* |
3.4.435.538 |
|
PI Interface Configuration Utility |
1.5.1.10 |
|
PI Buffer Subsystem 2018 SP2 Patch 2 |
4.9.0.37 |
* - The PI Network Subsystem Support (PINS) component is not displayed on the installation welcome screen if the PI Data Archive is installed already.