New in Communication Drivers

Revised Standard User privileges and options

A Standard User will now have only read rights. However, the Standard User will have an option to get the additional user privileges for a specific time interval by providing the OI Administrator user credentials. For more information on standard user privileges and getting Administrator Privileges, refer to User Groups in the Communication Drivers documentation.

Microsoft Edge required for Auto-Build

Auto-Build now requires the Microsoft Edge browser.

Support for Message Queuing Telemetry Transport (MQTT)

• Publisher: You can now publish payloads encoded in Sparkplug format using the MQTT publisher

• Dedicated publishing hierarchy

• Import/Export MQTT Publisher configuration

• Performance improvement in displaying large galaxy configuration

• MQTT Subscriber now provides hierarchical display of Sparkplug device attributes

Buffered data

Communication Drivers Pack supports buffered data up to 10K values/tag.

SuiteLink fallback

Starting with this release, the fallback mode is set to secure (V3) by default, and the fallback mode to accept unsecure (V2) connections is disabled.

OPC UA Reverse Connect

The Open Platform Communications Unified Architecture (OPC UA) Reverse Connect feature enables the OPC UA server to initiate a connection with the Gateway Communication Driver. In a secure environment, inbound connections to the OPC UA server are restricted as the server operates behind a firewall. By using Reverse Connect, the firewall restriction is alleviated as the connection is made from the OPC UA server to the client.

New security policy options

OPC UA now supports two new security policies: Aes128_Sha256_RsaOaep and Aes256_Sha256_RsaPss. Basic125Rsa15 and Basic256 are deprecated and supported only for compatibility reasons. For more information, refer to the Gateway Driver Help in the AVEVA Communication Drivers documentation.

Improved server browsing

You can now browse and select available endpoints of the OPC UA server and its supported security policy.

OpenSSL 1.1.1n support

Gateway Communication Driver now uses OpenSSL 1.1.1n for MQTT, SuiteLink, and OPC UA for secure communication.