Resources & Tools

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OPC UA Quick Start Tutorial
Videos - Published:
This video shows you how to set up an OPC UA server on groov RIO to accept connections from OPC UA clients and request groov data.
OPC UA tags with Number type are selectable in Build mode, but report type error in View mode
Knowledge Base - KB90399 - Published:
In groov View, after successfully assigning an OPC UA tag of type Number to a gadget in Build mode, when you switch to View mode, that gadget displays a yellow triangle and a message that types do not match.
Page access permissions reset to All Users
Knowledge Base - KB90330 - Published:
If your groov View project has any pages that limit permissions (for example, only for Kiosk users), after groov View is restarted, those pages should keep their permissions. However, with this issue...more
Some users can't see video from video gadgets with proxy option
Knowledge Base - KB90289 - Published:
Users with the limited permission levels may not be able to view video from a video gadget with the proxy option enabled, even though they have permission to access the page containing that video gadget.
32-bit integers that represent boolean values aren't presented as booleans
Knowledge Base - KB90400 - Published:
In PAC Control, if you define a 32-bit integer to represent a boolean value, the tag that the Data Service creates should be defined as boolean. With this issue, the tag is defined as a 32-bit integer.
MQTT/Data Service may not issue Death Certificate when MQTT service restarted
Knowledge Base - KB90390 - Published:
When a groov EPIC or groov RIO restarts MQTT/Data Service, they should issue a Death Certificate to indicate that subsequent tag data is stale. However, with this issue, groov EPIC and groov RIO do not issue the Death Certificate.
Some tag properties for groov EPIC/groov RIO with Sparkplug B payloads are missing/incorrect
Knowledge Base - KB90386 - Published:
When you are browsing for tags (through an MQTT tag browser) on a groov EPIC or groov RIO configured with Sparkplug B payloads, you may observe that the properties for some tags are missing or incorrect.
OptoDataLink User's Guide
Documents - 1705 - Published:
This guide shows you how to use OptoDataLink, part of the PAC Project Software Suite, to collect and share data from Opto 22 SNAP PAC industrial controllers and other sources, and then send...more
OPC UA clients cannot read/write tags when using system administrator account
Knowledge Base - KB90343 - Published:
If you are using a groov Manage administrator account as the username and password to authenticate to the native OPC UA server, your OPC UA client will not be able to read or write tags.