This is my archive

eUA Client diagnostics

eUA Client diagnostics Available from firmware version 2024.6 Overview Diagnostic information of the eUA Client is accessible via the eUA Server. The eUA Client object can be found in the server address space by the following path: Root → Objects → DeviceSet → Controller type (for… Read More

OPC UA® file access

OPC UA® file access Tutorial video Note: Tutorial videos are embedded from the Phoenix Contact Technical Support YouTube channel. With playing an embedded YouTube video in this platform, you accept the YouTube Terms & Conditions. Even showing the video previews on this page depends on your personal settings. To watch YouTube… Read More

Device-specific OPC UA® settings and limitations

Device-specific OPC UA® settings and limitations OPC UA server The PLCnext Technology controllers have the following device-specific default OPC UA® settings: Target Maximum number of sessions Minimum supported sample rate Available sample rates AXC F 1152 3 100 100, 250, 500, 1000, 2000, 5000 AXC F 2152… Read More

How to integrate an external information model 

How to integrate an external information model  Note: This is an advanced topic which requires knowledge about OPC UA and XML file generation. In addition, some understanding of the tools UaExpert and UaModeler is required.  This guide is based on the Process Automation Device Information Model (PA-DIM), a companion… Read More

OPC UA secure channel

OPC UA secure channel The eUA server supports client communication over encrypted endpoints by default.  To configure the endpoints, refer to OPC UA endpoint configuration.  Client application authentication The eUA server supports client certificate authentication over secure endpoints by default. The certificates of OPC UA® clients… Read More

OPC UA PubSub

OPC UA PubSub Available from firmware 2022.0 LTS on all PLCnext Control devices Configurable in PLCnext Engineer from software release 2022.0 LTS Starting with firmware 2022.0 LTS, the PLCnext Technology firmware has an implementation of the OPC UA® Publish and Subscribe specification (PubSub) as a new communication protocol. This enables the data exchange in a… Read More

Further information on OPC UA® in PLCnext Technology

Further information on OPC UA® in PLCnext Technology See these additional topics  for further reference: Profile and facets shows all currently implemented facets, linked to the respective specifications Feature roadmap OPC UA shows which OPC UA® feature was implemented with which PLCnext Technology firmware release. Device-specific OPC UA settings shows the differences in… Read More

Module configuration of the OPC UA client

Module configuration of the OPC UA client The OPC UA client can be configured in PLCnext Engineer from version 2023.3. We recommend to use PLCnext Engineer for the configuration (see also Tutorial – OPC UA setup for PLCnext Control). The configuration can also be performed using an additional… Read More

Alias Names

Alias Names Available from 2022.6 The eUA Server supports Alias Names according to the OPC UA specification OPC 10000-17 – Part 17: Alias Names. The functionality of Alias Names is to reference one or multiple nodes in a server address space using a custom name. The eUA… Read More

REST data interface – Requests

REST data interface – Requests Overview to the requests The following table summarizes the requests and their responses that are detailed in separate sections or topics.  Command HTTP method Relative URI for PLCnext Control Query Parameters Response Service Description GET /_pxc_api/api… Read More