RSC GDS services Note: The execution of RSC services can take some time. For this reason, avoid direct calls from ESM tasks that are scheduled for real-time execution. IDataAccessService During runtime, the function extensions can use the IDataAccessService interface to have read and write access to the GDS data. The… Read More
RSC Axioline Services The Axioline component can be extended via interfaces for Axioline services. You can use one interface for acyclic communication (PdiRead, PdiWrite). This interface is available via the RSC protocol. The parameter data, diagnostic information, and status information (PDI = Parameters, Diagnostics and Information) of an… Read More
RSC (Remote Service Calls) Function extensions can communicate with the PLCnext Technology core components via the RSC interface. You can access various functions and data items via the interfaces. For example, you can gain read and write access to the Global Data Space (GDS) data using the IDataAccessService RSC service. … 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
RSC documentation This is a reference of the available documentation regarding the RSC services that are built into the PLCnext Runtime System. Note: From firmware release 2022.0 LTS on, some RSC services can also communicate via gRPC. The respective protocol buffer definitions (.proto files) can be downloaded from our GitHub repository where you find on all about using… 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
Communication interfaces – Overview The PLCnext Runtime System comes with built-in communication interfaces. Depending on the firmware release on your PLCnext Control, the set of features can be different. Here you will find a description to every communication interface: OPC UA® Server OPC UA® Client OPC UA® PubSub Remote Service Calls (RSC)… Read More
REST data interface – Collections and dictionaries Available from firmware 2019.9 This topic shows how to retrieve the dictionaries for the REST data interface, and gives exemplary postman collections for the commands that are described thoroughly in the respective topics. Note: Phoenix Contact reserves the right to make changes and additions in further versions… Read More
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
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
