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
REST data interface – Sessions If desired, the web server can track the set of active client stations based on their corresponding session information. Otherwise, the web server automatically considers each station to be anonymous. Here’s how session reports are managed. Note: Phoenix Contact reserves the right to make changes and additions… Read More
REST data interface – Authentication This topic shows how to use the authentication service for protected resources on the PLCnext Engineer embedded HMI web server in order to use this service for making the REST data interface a protected service as well. Note: Phoenix Contact reserves the right to make changes and additions in further versions that might lead to… Read More
REST data interface – Groups If desired, the web server can manage the registered groups in order to make it easier to read a pre-defined list of variables. Otherwise, one can simply use the web server to read the variables directly. Note: Phoenix Contact reserves the right to make changes and additions in… 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 PROFINET Services The PROFINET component can be extended via interfaces for PROFINET services. You can use one interface for acyclic communication (RecordRead, RecordWrite). The interface is available via the RSC protocol. The parameter data, diagnostic information, and status information (PDI = Parameters, Diagnostics and Information) of a PROFINET… Read More
Querying notifications via RSC INotificationLoggerService Notifications that have been saved by means of the Notification Logger can be queried via RSC interfaces, and one that is already provided with the PLCnext Runtime System is thisINotificationLoggerService. With the release of the PLCnext Control RFC 4072R which is the first PLCnext Control device made for system redundancy, an additionalINotificationLoggerService2 is provided… Read More
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
