OPC UA monitored item and subscription An OPC UA client can subscribe to a list of variables that are then monitored for changes by the GDS. The variables are checked for changes at a defined interval. When subscribing to a variable, the client can define a sample rate, which is then served by… Read More
OPC UA Server On request, an OPC UA server provides an OPC UA client with process data and variable values from a running application. The PLCnext Control devices contain an embedded OPC UA server (eUA). In addition to the runtime, it is integrated in the controller. It enables access to components, programs, function blocks, structures and… Read More
OPC UA features Here’s an overview to the OPC UA features and when they were implemented into PLCnext Technology: OPC UA Server Firmware version 2019.0 LTS 2020.0 LTS 2021.0 LTS 2022.0 LTS 2022.3 2022.6 2022.9 2023.0 LTS… Read More
Firmware and project update with OPC UA using UaExpert Available from firmware version 2022.0 LTS This topic shows how to update a project or the firmware of a PLCnext device using the OPC UA sample client UaExpert. Note: To perform the following steps the user role SoftwareUpdate or Admin is required. Read More
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 in the… Read More
OPC UA device information The Device Integration (DI) namespace In compliance with the “OPC UA for Devices” OPC UA Companion Specification, the eUA server provides the following nodes: Node Meaning DeviceManual Path or URL to the user manual. DeviceRevision General revision status of… Read More
Using RSC services You have the option of using the already registered RSC services of the SDK via theServiceManager. TheServiceManager acts as the RSC API and is used to request services. Note: From firmware release 2022.0 LTS on, RSC services can also communicate via gRPC. Application RSC services are available for the… Read More
RSC IDataLoggerService2 Available from 2020.6 Introduction The DataLogger is a service component that transfers real-time data from the GDS to a database for recording and storage purposes. When starting and stopping the PLCnext Technology firmware, a configured DataLogger session is started and stopped automatically. The DataLogger then collects… Read More
RSC Device Interface Services The RSC Device Interface Services provide a range of functions for accessing properties of the operating system and the controller hardware. You can call the information with the following interfaces and defined parameters. The following headers are required to use the service; integrate these… Read More
Security This topic refers to the configuration of the OPC UA client regarding the security requirements when connecting to a remote OPC UA server. Supported user authentication The user of the OPC UA client can authenticate itself towards the remote OPC UA server using the following… Read More
