on 07-18-2016 12:22 AM
Hello,
I am trying to connect SAP PCo 15.1 to an OPC UA Server, i click the browse domain button in order to get the available OPC UA server but i am not getting result at all, i wrote the discovery server name and the server endpoint address but the result is the same. I tried to connect another OPC client to the OPC UA server in order to make sure it was not a network problem and the connection was successful.
Thanks in advance, Victor
Hi Victor,
I had the same issue than you but I achieved to establish the communication between PCo (OPC client) and Kewpare (OPC UA Server).
Before configuring PCo, I established the communication between the Kewpare OPC UA Server and other Kepware (OPC Client), installed in the same server than PCo, in order to configure the endpoint and exchange the certificates between the server and client. After that, I moved to PCo and re-tested the communication and it was OK.
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Hi Victor,
Regards, Steve
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Hi Steve,
SAP PCo 15.1.2
KEPServerEx
The deployed version is OPC UA Locla Discovery Server 1.02, i do not know if this is the required because the OPC UA server is not in the local machine.
UA Expert v. 1.3.8
Best Regards, Victor
Hi Victor,
Regards, Steve
Hi Steve,
I do not undestand this question. In the security tab on the PCo i only fill the user and password field.
Best Regards, Victor
Hi Victor,
1. from task bar, find and right click on Kepware icon and select OPC UA Configuration, or if in Windows 8.1/server 2012, click on the Start menu icon, type Kepware and select OPC UA Configuration
2. provide a screen shot of what OPC UA endpoints are exposed for Kepware where it is installed and running.
Regards, Steve
Hi Victor,
The endpoint you have defined in PCo is not enabled on the Kepware OPC UA configuration. You need to add an endpoint using the Kepware UA Configuration with security policy set to None i would recommend using a different port number for the new endpoint as well.
Are Kepware and PCo installed on the same server?
Regards, Steve
Hi Steve,
The PCo and Kepware are not in the same server.
When i click on the start Discovery button i get a communication error. If i click on the brose domain button i do not see the server where the Kepware are installed.
The endpoint i defined is the fist one and the enabled check is mark.
Best Regards, Victor
Hi Victor,
Forget about the Discovery Server for now. Create the correct endpoints for None Security on the Kepware side, I would create one for the server IP address with a separate Port, and then another for LocalHost (if you want to use None security with a local UA client), and then correctly enter the endpoint in PCo for the Kepware server's ip endpoint. Note, you need to stop and restart Kepware Runtime after you update the endpoint configurations.
Regards, Steve
Hi Steve,
I have configured and established the communication between an OPC UA Server (Kepware v5.21) and an OPC UA Client (PCo 15.1) adding a new server endpoint and exchanging the certificate in the 'Trusted servers' tab. For this configuration, I have selected 'none' in security policies.
However, I don't know how to configure PCo when I change the security policy from 'none' to 'Basic 128RSA15' in Kepware.
Could you help me with this issue?
Should I exchange the certificate again if I modify the security policy?
Thanks in advance.
Hi Sergio,
The Kepware Certificate exchange is only for exchanging certs between two Kepware Server instances where one is an OPC UA Server and the other is an OPC UA client and they are installed on separate servers.
Unless you actually need certificate authentication, I would recommend that you use the NONE security level, especially if the Kepware and PCo are installed on the same server. Certificate authentication requires either self-signed or certificate-authority-signed certificates for PCo and certificate management of these between PCo and Kepware, and the OPC UA Discovery Server is one is used.
Regards, Steve
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