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
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
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
