https://forge.codesys.com/u/alexschooneveld/activity/2026-06-30T06:49:58.124000ZRecent activity for alexschooneveld2026-06-30T06:49:58.124000Z2026-06-30T06:49:58.124000Zalexschooneveldhttps://forge.codesys.com/u/alexschooneveld/profile/https://forge.codesys.com/forge/talk/Engineering/thread/d7566dbea1/?limit=25#78ee/d92f

Thank you for your answer. I did install certificates, especially for OPC UA Client/Server tests. This OPC UA PubSub test uses pre-shared keys, not certificates. By the way, I do you 3.5.22 patch 2.

2026-06-22T21:10:49.304000Z2026-06-22T21:10:49.304000Zalexschooneveldhttps://forge.codesys.com/u/alexschooneveld/profile/https://forge.codesys.com/forge/talk/Engineering/thread/d7566dbea1/?limit=25#1b55

I am currently investigating an OPC UA PubSub connection over UDP. When I don't use encryption, the publish and subscribe are working correctly. But with encryption it does not. Environment OPC UA PubSub SL 1.3.0.0 (namespace UADP) OPC UA PubSub Security 1.3.0.0 (namespace PSS) OPC UA PubSub Base 1.3.0.0 (namespace PSB, incl. PSS.SecurityGroup / PSS.CONFIG) Programmatic PubSub in a CFC: UADP.Configuration → UADP.Connection → UADP.writerGroup → UADP.writer → writerDataSet, plus a CyclicCall gated...

2026-06-22T21:10:43.476000Z2026-06-22T21:10:43.476000Zalexschooneveldhttps://forge.codesys.com/u/alexschooneveld/profile/https://forge.codesys.com/forge/talk/Engineering/thread/d2925c3860/?limit=25#f18c

I am currently investigating an OPC UA PubSub connection over UDP. When I don't use encryption, the publish and subscribe are working correctly. But with encryption it does not. Environment OPC UA PubSub SL 1.3.0.0 (namespace UADP) OPC UA PubSub Security 1.3.0.0 (namespace PSS) OPC UA PubSub Base 1.3.0.0 (namespace PSB, incl. PSS.SecurityGroup / PSS.CONFIG) Programmatic PubSub in a CFC: UADP.Configuration → UADP.Connection → UADP.writerGroup → UADP.writer → writerDataSet, plus a CyclicCall gated...