Reference · built on requestConnectorIndustrial & building protocols

IEC 61850

Logical nodes, reports, GOOSE, and sampled values from substation and DER devices under IEC 61850.

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About

IEC 61850, Communication networks and systems for power utility automation, is the IEC series for substations and distributed energy resources. Part 7-4 models device functions as logical nodes and data objects. Part 7-2 defines the abstract communication service interface (ACSI) between a client and a server, publisher/subscriber event distribution, and sampled measured values. Part 8-1 maps ACSI to MMS (ISO 9506) and to ISO/IEC 8802-3 frames for GOOSE. Part 9-2 carries sampled values on the same Ethernet link. Part 6 defines the XML configuration description language whose files are exchanged between engineering tools.

Through Fibric, an MMS client reads the logical nodes you name and subscribes to reports, and an operator proposes a control or a DER setpoint for your approval, sent once with a receipt.

This is a reference listing. It documents what Fibric would read from IEC 61850 and what it could propose, based on the vendor's published interfaces. Fibric builds it under a managed deployment when you request it; selecting it here installs nothing.

What it reads

  • Logical nodes and data objects from the IEC 61850-7-4 information model, read as an MMS client under IEC 61850-8-1
  • Reports delivered by the ACSI reporting and logging services, including the extended logging function added in the second edition of Part 7-1
  • GOOSE messages: fast event distribution from one device to many subscribers over ISO/IEC 8802-3 frames, including fixed-length encoded GOOSE
  • Sampled measured values published under IEC 61850-9-2 with direct access to the ISO/IEC 8802-3 link and an optional link redundancy layer
  • Statistical and historical statistical data, and time synchronisation state, per the second-edition models of Part 7-1
  • DER and distribution automation nodes from IEC 61850-7-420: generation, energy storage, controllable loads, switches, capacitor banks, and voltage regulators
  • Part 6 configuration files that describe IED capabilities, communication configuration, and the switchyard structure, exchanged between engineering tools

Proposed actions

  • Target capability: propose a control operation on a logical node through the ACSI control services, sent as an MMS client
  • Target capability: propose a setpoint on a Part 7-420 DER logical node, such as a storage or generation operating point within its grid-code functions

Proposed actions are target capabilities. Every action runs propose-first and needs a validated deployment and the appropriate permissions.

What you can build

  • Trace a trip across the station

    GOOSE carries a protection trip to every subscriber at once. The operator lines the reports up by time, names the initiating logical node, and posts one notice instead of a burst.

    With Alarm Flood, Alarm Triage

  • Curtail a DER plant when the grid asks

    The operator reads the Part 7-420 generation and storage nodes, proposes the export setpoint the grid code allows, and sends it once after you approve. The receipt records the node and value.

    With Export Limit, Event Response

  • Check storage before a storm

    Energy storage logical nodes report their operating point. The operator compares it with the reserve you set and proposes a charge plan before the forecast window opens.

    With Storm Reserve, Battery Dispatch

  • Keep the engineering files in step with the field

    Part 6 configuration files say what each IED should expose. The operator compares them with what the MMS client actually reads and flags the nodes that went missing after a firmware or configuration change.

    With Integration Health, Data Freshness

What it needs

  • Ethernet reach to the station network, because GOOSE and sampled values are carried directly in ISO/IEC 8802-3 frames rather than over IP
  • The Part 6 configuration files for the IEDs you want read, so logical node and data set names are known before connecting
  • An MMS client credential accepted by each IED, with IEC 62351-4 application-layer security where the device supports it
  • For controls, a role permitted by the device's role-based access control, which Part 7-2 delegates to the IEC 62351 series
Authentication
Authentication follows IEC 62351: Part 4 secures MMS at the transport and application layers through the handshake and data transfer phases with shared key management, and Part 3 profiles TLS 1.2 and 1.3 with certificate revocation checks for TCP/IP.

Limits

  • The IEC 61850 parts are sold by the IEC webstore; this listing is written from the published scopes and abstracts, not the full text
  • Devices implement a subset of logical nodes and services, and the exact set is only visible in each device's Part 6 capability file
  • GOOSE and sampled values are layer-2 Ethernet, so they must be captured on the station network itself
  • Edition differences between IEDs, tools, and the Part 7-2 amendments change data types and control-block service tracking

Access and pricing

Reference listing. Fibric builds the connector under a managed deployment when you request it. Your quote covers the build, capabilities, usage, and support.

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Questions and answers

What does an MMS client actually read in IEC 61850?
Logical nodes and data objects. Part 7-4 defines the compatible classes, Part 7-2 defines the abstract services such as reads, reports, controls, and logging, and Part 8-1 maps those services to MMS (ISO 9506-1 and ISO 9506-2) on a local-area network.
Are GOOSE and sampled values TCP/IP?
No. Part 8-1 maps GOOSE to ISO/IEC 8802-3 Ethernet frames for time-critical data, and Part 9-2 maps sampled values to direct access on the same link. MMS traffic runs over the network stack. Both share one Ethernet.
How is IEC 61850 secured?
By the IEC 62351 series. Part 7-2 delegates security matters to it and adopts role-based access control. IEC 62351-4 covers MMS profiles with authentication at handshake and data transfer, and IEC 62351-3 profiles TLS 1.2 and 1.3 with cipher suite and revocation rules.
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Ask about the capabilities and requirements in this listing.

For project-specific requirements, contact Fibric.

This connector listing is developed, published, and supported by Fibric. It describes integration with IEC 61850 through published interfaces. Third-party names and logos identify the systems an integration connects to; they are the property of their respective owners, who are not affiliated with Fibric and do not sponsor or endorse this listing. Trademark policy