An Introduction to IEC 61850 Client-Server Communication

Explore how the IEC 61850 data model uses a name hierarchy to store and address data, contrasting it with flat Modbus memory addressing.

Explore how IEC 61850 uses classes and instances to model devices and data points, using instance identifiers and full path addressing for reading measurements in a substation SCADA network.

Explore how the IEC 61850 data model uses digital representations and logical nodes to bundle data and functions for real world devices like sensors and circuit breakers.

Explore the IEC 61850 data model, from physical devices through logical devices, logical nodes, data objects, and data attributes, and learn using ICD files to view the hierarchy.

Expands IEC 61850 standard from substation automation to client-server SCADA for DER-enabled power systems. Incorporates logical nodes for wind, solar PV, battery storage, hydroelectric, and EV charging with data objects.

Download and run ID explorer to read ICD file data models and display them graphically, using open-source software on Windows for IEC 61850 client-server learning.

Download and open a sample ICD file, then explore the IEC 61850 data model from physical device to logical device, logical node, data object, and data attribute, using path notation.

Explore indexed attributes that express time series data by pairing each value with its timestamp, enabling graphs of values over time in power systems.

Categorize functional constraints as categories describing the data IEC 61850 attributes hold, then observe the EMS view grouping the same attributes by those constraints without duplicates.

Discover how the manufacturing message specification enables IEC 61850 client-server communication and real-time data exchange by retrofitting MMS with functional constraints for service mapping and access control.

Map IEC 61850 data models to MMS by comparing the IEC view and the MMS view, highlighting dot notation, dollar-path expressions, and variable paths that express the same data attributes.

Learn to set up an IEC 61850 client-server simulation with ID Scout, uploading the ICD data model, activating server and client modules, and connecting an external ID Explorer client.

Explore two IEC 61850 client-server connection methods using IED Scout: online with an ICD file, and discovery via IP address, comparing data model loading versus network-intensive discovery.

Download and install IED Scout from Omicron, choose the latest version by submitting the form or using the shared link, install with required components, restart, and start the 30-day trial.

Explore client-server simulation of IEC 61850 with IED Scout, loading ICD files or discovering devices online to connect a browser client to a local server and view real data.

Establish a client-server connection with ID Explorer and the ID Scout simulator, performing discovery to view the data model and values via LED data view and IEC view.

Compare polling and report by exception in IEC 61850 client-server communication, showing how alarms and data changes are reported without client pulls between servers and clients in SCADA contexts.

Explore how an IED configures data sets, triggers, and a report control block in IEC 61850 client-server communication, including data points and a data change condition for updates.

Explore IEC 61850 trigger options, including data change, quality change, data update, integrity, and period, and learn how reports decide when to send whole data sets vs. just changes.

Explore how IEC 61850 clients subscribe to report control blocks, selecting trigger options such as data change, quality change, and integrity to control data reporting.

Explain the difference between buffered and unbuffered report control blocks, showing how unbuffered rcbs lose changes during breakdowns, while buffered rcbs store changes and send them later with time stamps.

Poll data from an IEC 61850 server with GetDataValues (pooling) at the attribute, data object, or logical node level, even if no report control blocks exist.

Apply hands-on practice with ICD files from Schneider Electric iron meters to simulate real-world IED Scout client-server communication, exploring data models, data sets, and reports.

Explore IEC 61850 data models by examining data sets, data attributes, and data set references. Understand report control blocks, buffered versus unbuffered, trigger options, and how multiple clients subscribe.

Explore how a client subscribes to a report control block in IEC 61850 using the ID Scout simulator, focusing on trigger options and subscription status.

Add a custom data set in an IED, connect it to a report control block, and explore data change triggers by configuring data sets, data points, and IED Scout simulation.

Explore simulating data change and quality change triggers in an IEC 61850 client-server setup. See how server-side changes appear on the client and how quality changes alter updates.

Explore how integrity operates in the IEC 61850 client-server simulator, configuring an integrity period, and observing periodic data broadcasts from the server to the client through a report control block.

Explore general interrogation in IEC 61850 client-server communication and simulate a GI request to poll report control blocks for troubleshooting.

Explore optional fields in IEC 61850 reports, including sequence number, time of entry, and metadata. See data set name, reasons for inclusion, buffer overflow, and config revision.

Explore how buffer time in the report control block sets the maximum wait before sending a report, balancing latency and network utilization by grouping changes within a time window.

Explore supervisory control in IEC 61850 client-server communication by sending commands from client to server, using control models like direct with normal security and select before operate.

Explore a near real-world IEC 61850 client-server setup by pairing IED Scout with an OPC UA server as the SCADA client to monitor and supervise IEDs.

Download KepserverEx demo and install on Windows by accepting defaults and saving the administrator password; configure OPC-UA in the administration and configuration managers, and manage the two-hour limit via reinitialize.

Explore two IEC 61850 client-server methods: discover the data model with ID Scout or load an ICD file to go online with the OPC UA server, and generate tags.

Explore the idiosyncrasies of the opc ua iec 61850 ms client driver, including default vendor settings, no trigger options, polling via get data values, and data attributes translated to tags.

Connect to the OPC UA server app, subscribe to a report control block and tags, and monitor values via a quick client as data model appears in IDE Scout server.

Explore supervisory control by using an OPC quick client to write control values to an IEC 61850 server via an external OPC UA client, observing asynchronous writes and status/timestamp updates.

Demonstrates IEC 61850 client-server concepts by comparing ID Scout, Cap server X, and OPC UA server implementations, using ignition’s web interface to connect to an IED Scout server for practice.

Learn how Ignition SCADA's gateway runs the system, access the web interface via localhost:8088, and install the designer later to build screens and tags, with a standard edition trial.

Connect to an IED Scout server using Ignition's opc ua server and the IEC 61850 client driver. Explore discovery, data model, and subscribe to report blocks to view real-time values.

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