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Questions tagged [milo]

Eclipse Milo is an open source implementation of OPC-UA (IEC 62541).

Eclipse Milo is an open source implementation of OPC-UA (IEC 62541). Use this tag when asking for help using the Eclipse Milo client SDK or server SDK. For best effect, tag questions with the 'opc-ua' tag as well.

https://github.com/eclipse/milo

170 questions
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1 answer

Eclipse Milo, OPC-UA : where to start?

I am entirely new to the OPC-UA world. I need to establish a proof of concept of how to allow our ERP to communicate with PLCs. I am evaluating software that acts as an OPC-UA server (it is working). I found about Milo and got the code working in…
Fred
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1 answer

Understanding OPC-UA Security using Eclipse Milo

I am new to this OPC-UA world and Eclipse Milo. I do not understand how the security works here, Discussing about client-example provided by eclipse-milo I see few properties of security being used to connect to the OPCUA…
aalbatross
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1 answer

Java OPC-UA Client Eclipse Milo endpoint URL changes to localhost

I am using Java OPC-UA client Eclipse Milo. Whenever I create a session using endpoint URL of server, method UaTcpStackClient.getEndpoints() changes URL to localhost. String endpointUrl = "opc.tcp://10.8.0.104:48809"; EndpointDescription[]…
Harshal Bhavsar
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2 answers

Authentication client-server in Eclipse Milo

Is-it possible in Eclipse Milo that a client connects to a server with this authentication parameters: "certificate + private key" ? And also with parameters "Security Policy" and "Message Security Mode" ? (as in UAExpert client :…
Henry198
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3
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1 answer

How to set the proper data type when writing to an OPC-UA node in Milo?

I am an OPC-UA newbie integrating a non-OPC-UA system to an OPC-UA server using the Milo stack. Part of this includes writing values to Nodes in the OPC-UA server. One of my problems is that values from the other system comes in the form of a Java…
Nenovrak
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1 answer

How to send the data using Eclipse Milo OPC Server

I want to send data generated by my application to OPC UA client using OPC UA Server. I have gone through Eclipse Milo Project which is great resource for the same. But I don't know how to integrate it in our Application.The Application produces…
Sam Brooks
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1 answer

Eclipse Milo - ClosedChannelException when using SecurityPolicy

I am connecting from an Eclipse Milo client to an Eclipse Milo server. Everything works fine but as soon as I try connecting with any SecurityPolicy except "None" I get the following error: 17:28:18.365 [main] DEBUG…
Magnus Lutz
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3
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1 answer

Reconnect Milo Client

I want the Client to reconnect to the Server if the server went down and up again. I can add an SessionActivityListener to the Client which gets notified on SessionInactive and the SessionActive if the Server is back online. However, when i get the…
lukas
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3
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2 answers

Connect to Milo Server

I created a small Milo Server but can't connect to it with the Prosys OPC UA Client - other clients work fine. I guess its similar to this problem: Configuration OPC UA Server (Milo)? but i don't understand which address to use for the…
lukas
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3
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1 answer

Eclipse Milo: How to read history data?

I've tried write data to Eclipse Milo server and read history data the following way: HistoryReadDetails hrd = new ReadRawModifiedDetails(false, DateTime.MIN_VALUE, DateTime.MIN_VALUE,UInteger.MAX,false); TimestampsToReturn ttr =…
maximkr
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1 answer

What does the requestedPublishingInterval in milo mean?

In my OPC-UA Client implementation based on milo i need a lot of subscriptions. Therefore i used the example…
cbit
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0 answers

How to implement a UA Server using Milo without any security/certificates?

I am trying to create a demo server using Milo SDK. I have looked at the ExampleServer.java but really confused what's going on with the certificates and security. I am unsure of what KeyStoreLoader and all the other aspects. I just want to create a…
CornCoder99
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1 answer

Connect to a node with a String identifier

I'm trying to write a generic OPC-UA connector with Eclipse Milo. Reading data from nodes already works fine when I'm using numeric nodeIDs, such as ns=0;i=2258. In milo I can simple construct the nodeID like this for example: NodeId nodeIdentifier…
David
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2 answers

eclipse milo opcua client connection to prosys server problems

I am trying to connect to Prosys opcua simulation server using milo (0.4.2) I generated certificates/keys for user using openssl I generated certificate for application using given example from milo sdk and exported them as certificate file and…
user3423
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3 answers

Connecting to an OPC-UA server using Eclipse Milo, fails on BadHostUnknown

I am new to OPC-UA and Eclipse Milo and I am trying to construct a client that can connect to the OPC-UA server of a machine we have just acquired. I have been able to set up a simple OPC-UA server on my laptop by using this python tutorial series:…
Alex C
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