I am trying to write to a PLC tag from the main gateway (v 8.1.45) to a tag on an edge device (IIot v 8.1.45). I am using a system.tag.write(). I am getting the error: Bad_AccessDenied. Is there a configuration change I need to make on the edge device to allow writes?

I found the answer in this post: [image] Tag write to edge gateway fails Ignition Edge Gateway serving tags to a central server. I can see all of the tags in a perspective session, can see them from the server's designer. If I try to write to a property from anywhere but …

You also need to change to using the system.tag.writeBlocking or system.tag.writeAsync functions as system.tag.write is a deprecated function.

Writing to Edge OPC tag

Ignition

gfeiten April 28, 2025, 6:57pm 2

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