Hi peers, since 2015 OPC-UA version 1.0.3 is released and since last year version 1.0.4. History - OPC Foundation Microsoft operating systems dominate the industrial automation landscape. Automation vendors begin using Microsoft’s COM and DCOM in their product offerings. 1990s 1995 Au…

In Ignition 7.9.12, the server is something like 1.01 or maybe 1.02, the client supports 1.03. In Ignition 8.0 both the server and client support 1.03. If you can get a Wireshark capture of the traffic between Ignition and this device, starting before it’s restarted and continuing after while Igni…

Does the ignition support OPC UA 1.04 today? thank you

No, the Milo project (the underlying OPC stack) isn’t there yet.

Does that mean all features of OPC UA version 1.03 are supported by Ignition's OPC UA server? The specification is huge , our faces turn blue while reading them, let alone understanding them and using them! Wish they had kept it simple! More specifically does it implement the following specs fully? …

[image] prafull_j: Does that mean all features of OPC UA version 1.03 are supported by Ignition’s OPC UA server? No, not even close. As you suspected, Alarms and Conditions and Historical Access are not implemented at all. Only basic information modeling is done. We don't have any custom Obj…

Thanks a lot for the reply Kevin. I think the OPC foundation has really complicated the whole spec, they could have kept it simple.They should have restricted to DA like address space with services approach in stead of COM/DCOM approach which would have been easier to adopt and more light weight! I …

It’s complex for sure, but I don’t agree that it should have been done differently. OPC UA’s modeling capabilities are one of its biggest strengths. The servers that are embedded in PLCs are already starting to use modeling (custom DataTypes mostly) with great success. Some PLCs like the Siemens S7-…

But at least they could have written the specs in an understandable way such as concepts of classes and inheritance etc which is understood by all properly. Here they have vague concepts like nodes and relations and what not and we have to flip the pages back and forth to understand what they are ta…

Does the kepware and milo and prosys and Siemens etc opc ua servers also implement Ignition Opc ua like DA features only or They are more detailed implementations? The complexity of the opc standard defeats the purpose of Its openness and interoperability . Few people are minting money in training o…

OPC UA is already running on embedded devices - what do you think PLCs are? I’ve also seen and tested against servers running on significantly lower powered devices and sensors at the interop events.

Inductive Automation Forum

Supported OPC-UA version by Ignition 7.9.12

Ignition

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