Hello everyone, I’m an engineer from China. This is my first time using BR for a project. After binding the OPCUA variables with the button controls in the Mappview interface, all the buttons are gray and unoperable. I haven’t set the permissions. How can this be solved? Thank you! [1] [6] [5] …

In a discussion titled “Why are buttons gray in Mappview,” user JUN ZHANG , a new BR Automation user from China, reported that buttons in MappView appeared gray and unresponsive after binding OPC UA variables. He had not set permissions and sought help. Pavel Vavra suggested checking the Visualizat.v…

Hello and welcome to the Community, Can you share a screenshot of the Visualizat.vis file? Have you typed in your bindings into this file? [image]

感谢Thank you for Pavel Vavra’s reply. My configuration is shown in the screenshot. [7] [8]

Hello Grey buttons means they are disabled (1 and 2 seems not the case based on screenshots). You can disable them in the properties You use bindable property “enable” to dynamically during runtime enable / disable them You have a binding to a not reachable e.g. OPC UA variable, were you have e.g…

Michael Pfister: Michael, thank you for your reply. I don’t quite understand what you said. Could you elaborate on it? This issue has been bothering me for a long time.

Checking the logger is a good idea, especially the Visualization one. [image]

Logger → visualization and Connectivity is important. I think either OPCUA communication is not established or user who is logged in has not proper rights.

Thank you for Jaroslav Kovar’s reply. I reviewed the record sheet and found three ERRORS, but I couldn’t figure out the solutions. I use UAExpert to connect to the OPC UA variables, and it can function properly for reading and writing the variables. [9] [10]

Hello Can you show the OPC UA Server configuration in the mapp View folder / Configuration view? According to the logger you cannot access the OPC UA Server from mapp View. Lg Michael

[image] Michael: Michael, thank you for your reply. Please take a look at the screenshot for my configuration. [1] [5] [4] [3] [2] [image] Michael:

Hello Can you please remove the hostname “CP1586” in the OPC UA server configuration and test again? According to help: OPC UA server configuration “If a hostname is specified, it will take priority over the IP address.” As you are connecting to local OPC UA Server (mapp View + OPC UA Server ru…

Why are buttons gray in Mappview

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kovarj (Jaroslav Kovar) February 2, 2026, 10:07am 14

Thank you for your summary and @Michael for the good tip. For others, do not underestimate logger; it can help a lot

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Why are buttons gray in Mappview

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