EN IEC 61850-7-410:2026
(Main)Communication networks and systems for power utility automation - Part 7-410: Basic communication structure - Hydroelectric power plants, steam and gas turbines - Logical node classes
General Information
- Abstract
- Status
- Not Published
- Publication Date
- 10-Sep-2026
- Technical Committee
- CLC/TC 57 - Power systems management and associated information exchange
- Drafting Committee
- IEC/TC 57 - IEC_TC_57
- Current Stage
- 5060 - Voting results sent to TC, SR - Formal Approval
- Start Date
- 13-Mar-2026
- Completion Date
- 13-Mar-2026
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Overview
EN IEC 61850-7-410:2026 – Communication Networks and Systems for Power Utility Automation – Part 7-410: Basic Communication Structure – Hydroelectric Power Plants, Steam and Gas Turbines – Logical Node Classes is a European standard developed by CLC. It establishes a comprehensive communication framework for the automation of power utility systems, focusing specifically on hydroelectric power plants, steam turbines, and gas turbines. The standard defines logical node (LN) classes essential for monitoring, control, management, and supervision within these facilities.
By aligning with the IEC 61850 series, this standard supports interoperability and integration in digital power plants, enabling operators to standardize communication between various devices and systems involved in electricity generation.
Key Topics
- Logical Node Classes: Detailed structure and classification of logical nodes tailored for hydro, steam, and gas power plant components.
- Modelling Power Generation: Concepts and constructs for information models suitable for large power generation domains.
- Control and Supervision: Logical nodes for real-time monitoring, control, and operational management of plant components and equipment.
- Layered Model Approach: Use of abstraction layers (field, edge-control, intermediate, top) to model plant control architectures.
- Hydroelectric and Thermal Specifics: Domain-specific extensions for hydropower and thermal plants, covering everything from penstocks and governors to turbine controls and reservoir management.
- Management and Operational Functions: Support for functions like excitation, energy limitation, power factor regulation, flow control, and braking.
- Device Representation: Logical nodes representing both controllable and non-controllable primary equipment such as valves, seals, gates, and shafts.
Applications
Implementing EN IEC 61850-7-410:2026 in power utility automation delivers practical value in several key areas:
- Interoperable System Integration: By using standardized logical node definitions, diverse automation equipment from different manufacturers can seamlessly communicate and integrate.
- Advanced Monitoring and Control: Operators can achieve fine-grained supervision and remote control over critical components, improving system reliability and responsiveness.
- Scalable Plant Automation: The layered model supports the automation needs of both individual units (e.g., a single turbine) and complex, large-scale generation facilities.
- Digital Transformation: Facilitates the upgrade of legacy systems to modern digital infrastructures, setting the stage for smart grid adoption and remote operation.
- Streamlined Maintenance: Standardized data models simplify diagnostics, event logging, and maintenance planning, reducing downtime and increasing operational efficiency.
- Cybersecurity and Compliance: Adhering to internationally recognized standards ensures a higher degree of security, traceability, and compliance with regulatory requirements.
Related Standards
EN IEC 61850-7-410:2026 is closely related to other international standards supporting communication and automation in power systems:
- IEC 61850-7-4: Core definitions and specifications for logical nodes in power utility automation.
- IEC 61850 Series: The broader series covers general communication protocols, substation automation, mapping to communication profiles, and conformance testing.
- IEC 61362: Relevant for turbine governors and hydroelectric-specific components.
- IEEE 421.1: Pertains to excitation systems, a key aspect addressed in logical node classes for power plant automation.
For power utilities, engineers, system integrators, and manufacturers, adopting EN IEC 61850-7-410:2026 ensures future-proof integration, digitalization, and efficient operation of hydroelectric, steam, and gas turbine power plants through standardized communication networks and logical node modeling.
Relations
- Refers
IEC 60050-351:2013 - International Electrotechnical Vocabulary (IEV) - Part 351: Control technology - Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 11-Aug-2026
- Effective Date
- 28-Sep-2021
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Frequently Asked Questions
EN IEC 61850-7-410:2026 is a draft published by CLC. Its full title is "Communication networks and systems for power utility automation - Part 7-410: Basic communication structure - Hydroelectric power plants, steam and gas turbines - Logical node classes". This standard covers: Communication networks and systems for power utility automation - Part 7-410: Basic communication structure - Hydroelectric power plants, steam and gas turbines - Logical node classes
Communication networks and systems for power utility automation - Part 7-410: Basic communication structure - Hydroelectric power plants, steam and gas turbines - Logical node classes
EN IEC 61850-7-410:2026 is classified under the following ICS (International Classification for Standards) categories: 33.200 - Telecontrol. Telemetering. The ICS classification helps identify the subject area and facilitates finding related standards.
EN IEC 61850-7-410:2026 has the following relationships with other standards: It is inter standard links to IEC 60050-351:2013, IEC TS 61850-2:2003, EN 61850-7-1:2011/A1:2020, EN 61850-7-1:2011, EN 62270:2004, EN 61850-7-3:2011, EN 60041:1994, EN IEC 61850-7-420:2021, EN 61850-7-4:2010, EN 61850-5:2013, EN IEC 61362:2024, EN 61850-7-4:2010/A1:2020, EN IEC 60545:2021, EN 61850-7-3:2011/A1:2020, EN 61850-7-410:2013. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN IEC 61850-7-410:2026 is associated with the following European legislation: Standardization Mandates: M/490. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
EN IEC 61850-7-410:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN IEC 61850-7-410:2025
01-april-2025
Komunikacijska omrežja in sistemi za avtomatizacijo uporabe električne energije -
7-410. del: Osnovna komunikacijska struktura - Hidroelektrarne - Komunikacije za
nadzorovanje in krmiljenje
Communication networks and systems for power utility automation - Part 7-410: Basic
communication structure - Hydroelectric power plants - Communication for monitoring
and control
Réseaux et systèmes de communication pour l'automatisation des systèmes électriques
- Partie 7-410: Structure de communication de base - Centrales hydroélectriques -
Communication pour le contrôle-commande
Ta slovenski standard je istoveten z: prEN IEC 61850-7-410:2025
ICS:
27.140 Vodna energija Hydraulic energy engineering
29.240.30 Krmilna oprema za Control equipment for electric
elektroenergetske sisteme power systems
33.200 Daljinsko krmiljenje, daljinske Telecontrol. Telemetering
meritve (telemetrija)
oSIST prEN IEC 61850-7-410:2025 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
oSIST prEN IEC 61850-7-410:2025
oSIST prEN IEC 61850-7-410:2025
57/2750/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 61850-7-410 ED3
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-02-07 2025-05-02
SUPERSEDES DOCUMENTS:
57/2640/CD, 57/2666/CC
IEC TC 57 : POWER SYSTEMS MANAGEMENT AND ASSOCIATED INFORMATION EXCHANGE
SECRETARIAT: SECRETARY:
Germany Mr Heiko Englert
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):
TC 4
ASPECTS CONCERNED:
Digital content,Electricity transmission and distribution
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft for Vote
(CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries” clau ses to
be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC c lauses.
(SEE AC/22/2007 OR NEW GUIDANCE DOC).
TITLE:
Communication networks and systems for power utility automation - Part 7-410: Basic communication
structure - Hydroelectric power plants - Communication for monitoring and control
PROPOSED STABILITY DATE: 2027
NOTE FROM TC/SC OFFICERS:
electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions.
You may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without
permission in writing from IEC.
oSIST prEN IEC 61850-7-410:2025
oSIST prEN IEC 61850-7-410:2025
UML from trabalho.eap
EA.Interop.dll 934
(for tool version used, see custom properties in the generated doc)
“template_IEC61850_7_410_Ed.3.0_CDV.docx”
Document history
Name of Document received Brief description of the Document sent
intervening changes introduced
person
From Date To Date
G. Rigadello 2023-10-26 TC57 WG18 meeting Kista (S) WG18
T. Otani Basic structure of document according to what
decided in Itaipu meeting Spring 2023
Creation of Clause §5 and Annexes A to D for
Ed. 3.0 CD2
M. Mendes 2023-11-01 2023-11-07 Editorial revision and formatting. WG18
E. Wejander 2024-12-09 2024-12-09 Editorial revision of foreword and the general WG18 2024-12-09
information.
M. Mendes 2024-01-01 2024-12-19 Edition of existing classes. Implementation of WG18 2024-12-19
new abstract and concrete classes. Edition and
creation of enumerations and derived CDCs.
Edition and creation of diagrams. New packages:
Logical Nodes for Components, Logical Nodes
for Control and Supervision, Logical Nodes for
Management Functions, Logical Nodes for
Operational Functions, Logical Nodes for
Primary Equipment.
Generated from
oSIST prEN IEC 61850-7-410:2025
IEC CDV 61850-7-410 © IEC 2025 – 1 – 57/2750/CDV
CONTENTS
FOREWORD . 12
INTRODUCTION . 15
1. Scope . 16
1.1 General . 16
1.2 Data model Namespace name and version . 16
1.3 Data model Namespace Code Component distributionThe Code Components
are in light and full version: . 17
1.4 Application of the logical node classes . 17
2. Normative references . 18
3. Terms and definitions . 18
4. Abbreviated terms . 19
5. Concepts and constructs for modelling large power generation domain . 32
5.1 Modelling concepts for large power generation facilities . 32
5.1.1 Introduction . 32
5.1.2 Stakeholders . 33
5.1.3 Large power generation information capabilities . 34
5.1.4 Concept of a layered model for large power generation . 35
5.1.4.1 Modelling approach applied to power station control
structures . 35
5.1.5 Domain specificities, profile enabling . 40
5.2 Generation operational model and its components (top layer) . 40
5.2.1 General . 40
5.2.2 Editorial rules . 40
5.2.2.1 Specific marks for machine level names . 40
5.2.2.2 Graphical convention for UML inheritance and references to
IEC 61850-7-4 . 40
5.2.2.3 Colour coding for top layer related LN classes and
instances . 41
5.2.3 Main principles for top layer modelling approach . 41
5.2.3.1 Generic large power generation model breakdown . 41
5.2.4 Management model . 45
5.2.4.1 Overview of management capabilities . 45
5.2.4.2 Different type of setpoints applying to the management
function . 45
5.2.5 Domain resource model . 48
5.2.6 Operational functions model . 49
5.2.7 Interaction mechanisms between top layer components . 49
5.2.7.1 Handling of computed setpoints . 49
5.2.7.2 Interaction between a ResourceLN and its Domain
Resource LNs . 49
5.2.7.3 Interactions between management function LN and
operational functions LN . 51
5.2.7.3.1 Introduction . 51
5.2.7.3.2 Priority handling . 51
5.2.7.3.3 Interactions through forcing resource limit for its
electrical behaviour . 51
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5.2.7.3.4 Interactions through setting individual resource
electrical behaviour . 53
5.3 Bottom layer model and its components . 54
5.3.1 Field layer . 54
5.3.2 Edge-control layer . 55
5.3.2.1 Measurements . 55
5.3.2.2 Controls (Actuation) . 55
5.3.2.3 Process supervision . 55
5.3.2.3.1 Process measurement supervision . 56
5.3.2.3.2 Actuation supervision . 56
5.4 Intermediate layer . 57
6. Management functions of different components . 58
6.1 LNs related to generation components . 58
6.1.1 Excitation (s. IEEE 421.1) . 58
6.2 LNs related to hydroelectric components . 58
6.2.1 Joint controller (electrical and hydraulic) . 58
6.2.2 Governors (s. IEC 61362) . 58
7. Operational functions. 58
7.1 Generation operational functions . 58
7.1.1 Excitation functions . 58
7.2 Hydroelectric-specific operational functions . 58
7.2.1 Joint controller (electrical and hydraulic) . 58
7.2.2 Governor functions . 58
8. Domain specific models in the Intermediate and Bottom layers . 58
8.1 LNs related to hydroelectric intermediate layer . 58
8.2 LNs related to hydroelectric bottom layer . 58
8.2.1 Indirect measurement LNs . 58
9. Logical node classes . 58
9.1 General . 58
9.2 Classes list . 60
9.3 Abbreviated Terms 7-410 (Abbreviations_7_410) . 75
9.3.1 General . 75
9.3.2 Classes list . 75
9.3.3 7-410 Abbreviated Terms (AbbrTerm_7_410 abbreviation enumeration) . 75
9.4 7-410 Logical Nodes for Components (Components_7_410) . 76
9.4.1 General . 76
9.4.2 Classes list . 79
9.4.3 <> LN: On-off controllable component Name:
OnOffControlCmpLN . 82
9.4.4 <> LN: Machine deceleration Name: DecelerationLN . 83
9.4.5 LN: Clutch system Name: GCTH . 85
9.4.6 <> LN: Shaft seal LN Name: ShaftSealLN . 86
9.4.7 LN: Shaft seal system Name: ESSL . 87
9.4.8 LN: Shaft seal system Name: HSSL . 88
9.4.9 LN: Prime mover - generator transmission system Name: GTRM . 90
9.4.10 LN: Gas turbine unit Name: EGTU . 91
9.4.11 LN: Steam turbine unit Name: ESTU . 92
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9.4.12 <> LN: Thermal turbine Name: ThermalTurbineLN . 94
9.4.13 LN: Deflector Name: HDFL . 96
9.4.14 LN: Hydro governor Name: HGOV . 97
9.4.15 LN: Hydropower gate Name: HGTE . 99
9.4.16 <> LN: Intake gate Name: HITG . 102
9.4.17 LN: Mechanical brake Name: HMBR . 103
9.4.18 LN: Needle Name: HNDL . 105
9.4.19 <> LN: Basic component operating mode LN Name:
BasicCmpOpModeLN . 107
9.4.20 LN: Guide vanes (wicket gate) Name: HTGV . 109
9.4.21 LN: Runner blades Name: HTRB . 111
9.4.22 LN: Turbine Name: HTUR . 112
9.4.23 LN: Hydropower valve Name: HVLV . 115
9.4.24 <> LN: Gate Name: GateLN . 117
9.4.25 <> LN: Hydropower control Name: HydroControlLN . 119
9.4.26 <> LN: Valve Name: ValveLN . 121
9.4.27 <> LN: Hydropower non control Name: HydroNonControlLN . 123
9.4.28 LN: Waterway canal Name: HCNL . 124
9.4.29 LN: Crest spillway Name: HCSW . 125
9.4.30 LN: Penstock Name: HPSK . 126
9.4.31 <> LN: Turbine operating device LN Name:
TurbineOperatingDeviceLN . 127
9.4.32 LN: Braking (counter) nozzle Name: HCTN . 129
9.4.33 <> LN: Position-related controllable components Name:
OpnClsControlCmpLN . 130
9.4.34 LN: Turning-gear system Name: ETGR . 132
9.4.35 LN: Pony motor starter Name: HPYM . 133
9.4.36 <> LN: On-Off non controllable components Name:
OnOffNonControlCmpLN . 134
9.4.37 LN: Synchronous machine field Name: GSMF . 135
9.4.38 <> LN: Rotating machine LN Name: RotatingMachineLN . 137
9.4.39 <> LN: Unit component LN Name: UnitLN . 138
9.4.40 LN: Thermal power unit Name: EUNT . 140
9.4.41 LN: Hydro power unit LN Name: HUNT . 142
9.4.42 LN: Electrical rotating machine (synchronous/asynchronous generator,
motor, motorgenerator) Name: GGEN . 144
9.4.43 LN: Synchronous machine excitation Name: GEXT . 146
9.5 7-410 Logical Nodes for Control and Supervision
(ControlSupervision_7_410) . 147
9.5.1 General . 147
9.5.2 Classes list . 148
9.5.3 <> LN: Controller function Name: ControllerLN . 149
9.5.4 <> LN: On-Off controller function Name: OnOffControllerLN . 150
9.5.5 <> LN: Open close controller function Name:
OpnClsControllerLN . 151
9.5.6 LN: Fan controller Name: CFAN . 153
9.5.7 LN: Fluidic valve controller Name: CFVL . 154
9.5.8 LN: Directly actuated hydraulic cylinder controller Name: CHCY . 155
9.5.9 LN: Heater controller Name: CHTR . 157
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9.5.10 LN: Pump controller Name: CPMP . 158
9.5.11 LN: Turning gear controller Name: CTGR . 159
9.5.12 LN: Directly actuated valve controller Name: CVLV . 160
9.6 7-410 Logical Nodes for Management Functions
(ManagementFunctions_7_410) . 161
9.6.1 General . 161
9.6.2 Classes list . 162
9.6.3 LN: Joint control for power management Name: AJCL . 164
9.6.4 LN: Joint control for water management Name: HJCL . 168
9.6.5 <> LN: Management function LN Name: MgmtFctLN . 172
9.6.6 LN: Gas turbine governor management Name: EGGM . 173
9.6.7 LN: Steam turbine governor management Name: ESGM . 177
9.6.8 LN: Hydro governor management Name: HGMC . 179
9.6.9 LN: Thermal unit management Name: EUMC . 181
9.6.10 LN: Hydro unit management Name: HUMC . 186
9.6.11 LN: Management function for hydro device (gates, valves) Name:
HHDM . 190
9.6.12 <> LN: Generating unit management function LN Name:
GeneratingUnitMgmtFctLN. 193
9.6.13 <> LN: Governor management function LN Name:
GovernorMgmtFctLN . 198
9.6.14 LN: Synchronous machine excitation management Name: AEMC . 199
9.7 7-410 Logical Nodes for Operational Functions
(OperationalFunctions_7_410) . 201
9.7.1 General . 201
9.7.2 Classes list . 206
9.7.3 LN: Switching control for field flashing Name: AFFL. 211
9.7.4 LN: Minimum active power limitation operational function Name:
AWMN . 212
9.7.5 LN: Minimum presssure limitation operational function Name: EPMN . 214
9.7.6 LN: Maxiimum pressure limitation operational function Name: EPMX . 216
9.7.7 LN: Pressure control operational function Name: EPRC . 218
9.7.8 LN: Minimum temperature limitation operational function Name: ETMN . 220
9.7.9 LN: Maximum temperature limitation operational function Name: ETMX . 222
9.7.10 LN: Balancing reserve operation Name: AROP . 224
9.7.11 LN: PSS control, common information Name: APSS . 226
9.7.12 <> LN: Electrical operation function LN Name:
ElectricalOpFctLN . 228
9.7.13 <> LN: Active power operationa function LN Name:
ActivePowerOpFctLN . 230
9.7.14 LN: Maximum speed limitation operational function Name: ASMX . 233
9.7.15 LN: Temperature control operational function Name: ETPC . 235
9.7.16 LN: Switching control for electrical braking Name: AEBR . 237
9.7.17 <> LN: Analog control operational function LN Name:
AnalogControlOpFctLN . 238
9.7.18 <> LN: Power generation connection operational
function Name: ConnectionOpFctLN . 241
9.7.19 <> LN: Operational transition operational function Name:
OperationalTransitionOpFctLN. 243
9.7.20 LN: Speed control operational function Name: ASPC . 244
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9.7.21 LN: Connect/disconnect operational function for the thermal generation
unit Name: ECDC . 246
9.7.22 LN: Connect/disconnect operational function for the hydro generation
unit Name: HCDC . 247
9.7.23 LN: Operational transitoin of thermal unit operational function Name:
EOSC . 249
9.7.24 LN: Operational transitoin of hydro unit operational function Name:
HOSC . 250
9.7.25 <> LN: Energy operational function LN Name:
EnergyOpFctLN . 251
9.7.26 <> LN: Excitation operational function LN Name:
ExcitationOpFctLN . 254
9.7.27 <> LN: Voltage operational function LN Name:
VoltageOpFctLN . 255
9.7.28 LN: Energy control operational function Name: AENC . 257
9.7.29 LN: Miniimum energy limitation operational function Name: AENN . 259
9.7.30 LN: Power factor control operational function Name: APFC . 261
9.7.31 LN: Minimum power factor limitation operational function Name: APFN . 263
9.7.32 LN: Maximum power factor limitation operational function Name: APFX . 265
9.7.33 LN: Reactive power control operational function Name: AQCL . 267
9.7.34 LN: Minimum reactive power limitation operational function Name:
AQMN . 269
9.7.35 LN: Maximum reactive power limitation operational function Name:
AQMX . 271
9.7.36 LN: Stator current limitation operational function Name: ASCL . 273
9.7.37 LN: Minimum speed limitation operational function Name: ASMN . 275
9.7.38 LN: Under excitation limitation operational function Name: AUEL . 276
9.7.39 LN: Flux limitation operational function Name: AVFL . 278
9.7.40 LN: Minimum voltage limitation operational function Name: AVMN . 280
9.7.41 LN: Maximum active power limitation operational function Name:
AWMX . 282
9.7.42 LN: Active power control operational function Name: AWGC . 284
9.7.43 <> LN: State change operational function LN Name:
StateChangeOpFctLN . 286
9.7.44 <> LN: Operational function for bulk generation LN Name:
BulkGenerationOpFctLN . 287
9.7.45 <> LN: Power factor operational function LN Name:
PowerFactorOpFctLN . 288
9.7.46 <> LN: Reactive power operational function LN Name:
ReactivePowerOpFctLN . 291
9.7.47 <> LN: Thermal operational function LN Name:
ThermalOpFctLN . 293
9.7.48 <> LN: Pressure operational function LN Name:
PressureOpFctLN . 295
9.7.49 <> LN: Temperature operational function LN Name:
TemperatureOpFctLN . 297
9.7.50 <> LN: Flow for thermal power operational function
LN Name: FlowForThermalPowerOpFctLN. 299
9.7.51 <> LN: Hydro operational function LN Name: HydroOpFctLN . 301
9.7.52 <> LN: Water flow operational function LN Name:
WaterFlowOpFctLN . 303
9.7.53 <> LN: Level operational function LN Name: LevelOpFctLN . 305
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9.7.54 <> LN: Mechanical operational function LN Name:
MechanicalOpFctLN . 308
9.7.55 <> LN: Open close operational function LN Name:
OpenCloseOpFctLN . 310
9.7.56 <> LN: Speed operational function LN Name:
SpeedOpFctLN . 312
9.7.57 LN: Maximum energy limitation operational function Name: AENX . 315
9.7.58 LN: Field current regulation operational function Name: AFCR . 317
9.7.59 LN: Field voltage reguration operational function Name: AFVR . 318
9.7.60 LN: Over excitation limitation operational function Name: AOEL . 320
9.7.61 LN: Minimum opening limitation operational function Name: AOMN . 322
9.7.62 LN: Maximum opening limitation operational function Name: AOMX . 324
9.7.63 LN: Opening control operational function Name: AOPC . 326
9.7.64 LN: Flow control operational function (hydropower) Name: HFLC . 328
9.7.65 LN: Minimum flow limitation operational function (hydropower) Name:
HFMN . 331
9.7.66 LN: Maximum flow limitation operational function (hydropower) Name:
HFMX . 332
9.7.67 LN: Minimum level limitation operational function Name: HLMN . 334
9.7.68 LN: Maximum level limitation operational function Name: HLMX . 336
9.7.69 LN: Level control operational function Name: HLVC . 338
9.8 7-410 Logical Nodes for Primary Equipment (PrimaryEquipment_7_410) . 340
9.8.1 General . 340
9.8.2 Classes list . 341
9.8.3 <> LN: Controllable equipment Name: ControlEqLN . 342
9.8.4 <> LN: Non-controllable equipment Name: NonControlEqLN . 343
9.8.5 <> LN: On-off controllable equipment Name:
OnOffControlEqLN . 344
9.8.6 <> LN: On-off non-controllable equipment Name:
OnOffNonControlEqLN . 346
9.8.7 <> LN: Position-related controllable equipment Name:
OpnClsControlEqLN . 347
9.8.8 <> LN: Position-related non-controllable equipment Name:
OpnClsNonControlEqLN . 348
9.8.9 LN: Brake pad Name: KBRP . 349
9.8.10 LN: Clutch Name: KCTH . 350
9.8.11 LN: Deflector Name: KDFL . 351
9.8.12 LN: Fluid sealing device (seal) Name: KFSL . 352
9.8.13 LN: Fluid valve Name: KFVL . 354
9.8.14 LN: Gate Name: KGTE . 355
9.8.15 LN: Hydraulic cylinder Name: KHCY . 356
9.8.16 LN: Heater Name: KHTR . 357
9.8.17 LN: Turning-gear Name: KTGR . 359
9.8.18 LN: Guide vane (wicket gate) Name: KTGV . 360
9.8.19 LN: Runner blade Name: KTRB . 361
9.8.20 LN: Valve seal Name: KVSL . 362
9.9 Logical nodes for automatic control (LNGroupA_7_410) . 364
9.9.1 General . 364
9.9.2 Classes list . 366
oSIST prEN IEC 61850-7-410:2025
IEC CDV 61850-7-410 © IEC 2025 – 7 – 57/2750/CDV
9.9.3 LN: Control mode selection Name: ACTM . 366
9.9.4 LN: PSS 4 filter function Name: APSF . 367
9.9.5 LN: PSS 2 filter function Name: APST . 372
9.10 Logical nodes for control (LNGroupC_7_410). 375
9.11 Logical nodes for thermal power (LNGroupE_7_410) . 375
9.11.1 General . 375
9.11.2 Classes list . 376
9.11.3 LN: Thermal turbine speed monitoring Name: ESPD . 377
9.11.4 LN: Block coordination function Name: EBCF . 379
9.11.5 LN: Fuel control valve Name: EFCV . 380
9.11.6 LN: Steam control valve Name: ESCV . 381
9.11.7 <> LN: Thermal control valve Name: ThermalValveLN . 383
9.12 Logical nodes for functional blocks (LNGroupF_7_410) . 384
9.12.1 General . 384
9.12.2 Classes list . 385
9.12.3 LN: Deadband filter Name: FDBF. 386
9.12.4 LN: Functional heart beat Name: FHBT . 387
9.12.5 LN: Trip matrix Name: FMTX . 388
9.12.6 <> LN: Task manager Name: FTSK . 390
9.12.7 LN: Functional priority status Name: FXPS . 391
9.13 Generic logical nodes for hydro and thermal power plants
(LNGroupG_7_410) . 392
9.13.1 General . 392
9.13.2 Classes list . 393
9.13.3 LN: Task manager Name: GTSK . 394
9.13.4 LN: Generic restriction tag Name: GRST . 395
9.13.5 LN: Generic lockout/tagout for maintenance and/or operation Name:
GTMO . 396
9.13.6 <> LN: Generic production unit Name: GUNT . 397
9.14 Logical nodes for hydro power plants (LNGroupH_7_410) . 399
9.14.1 General . 399
9.14.2 Classes list . 401
9.14.3 <> LN: Brake Name: BrakeLN . 403
9.14.4 <> LN: Leakage level supervision Name:
LeakageLevelSupervisionLN . 404
9.14.5 <> LN: turbine Name:
SomethingTurbineLN . 405
9.14.6 <> LN: Turbine speed monitoring Name:
TurbineSpeedMonitoringLN . 407
9.14.7 LN: Turbine generator shaft bearing Name: HBRG . 408
9.14.8 LN: Combinator Name: HCOM . 409
9.14.9 LN: Hydropower dam Name: HDAM . 410
9.14.10 <> LN: Electrical brake Name: HEBR . 411
9.14.11 <> LN: Gate position indicator Name: HGPI . 412
9.14.12 LN: Leakage supervision (general) Name: HLKG . 414
9.14.13 LN: Water level indicator Name: HLVL . 415
9.14.14 LN: Needle management Name: HNDM . 416
9.14.15 LN: Water net head data Name: HNHD . 417
9.14.16 <> LN: Dam over-topping protection Name: HOTP . 419
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IEC CDV 61850-7-410 © IEC 2025 – 8 – CDV 61850-7-410 Ed. 3.0 © IEC 2024
9.14.17 LN: Hydropower water reservoir Name: HRES . 420
9.14.18 LN: Hydropower sequencer Name: HSEQ . 421
9.14.19 LN: Hydro turbine speed monitoring Name: HSPD . 423
9.14.20 LN: Surge shaft Name: HSST . 425
9.14.21 LN: Trash rack Name: HTRK . 427
9.14.22 <> LN: Water control Name: HWCL . 428
9.15 Logical nodes for interfacing and archiving (LNGroupI_7_410). 430
9.15.1 General . 430
9.15.2 Classes list . 430
9.15.3 LN: Fire detection and alarm Name: IFIR . 431
9.15.4 LN: Hand interface Name: IHND . 432
9.15.5 <> LN: Alarm trip control Name: AlarmTripControlLN . 434
9.16 Logical nodes for mechanical and non-electric primary equipment
(LNGroupK_7_410) . 435
9.16.1 General . 435
9.16.2 Classes list . 435
9.16.3 LN: Bearing information Name: KBRG . 435
9.16.4 LN: Brake pad Name: KPAD . 436
9.16.5 LN: Penstock burst protection Name: KPBP . 437
9.16.6 LN: Mechanical rotational speed protection Name: KSPP . 439
9.17 Logical nodes for metering and measurement (LNGroupM_7_410) . 440
9.17.1 General . 440
9.17.2 Classes list . 440
9.17.3 <> LN: Three phases related electric measurement
extension Name: MMXUExt . 441
9.18 Logical nodes for protections of power plants (LNGroupP_7_410) . 443
9.18.1 General . 443
9.18.2 Classes list . 443
9.18.3 LN: Detection of under impedance Name: PTUI . 443
9.19 Logical nodes for protection related functions (LNGroupR_7_410) . 444
9.19.1 General . 444
9.19.2 Classes list . 445
9.19.3 <> LN: Field breaker configuration Name: RFBC . 445
9.20 Logical nodes for supervision and monitoring (LNGroupS_7_410) . 446
9.20.1 General . 446
9.20.2 Classes list . 447
9.20.3 LN: Supervision of electrical conductivity in water Name: SECW . 448
9.20.4 LN: Supervision of media flow Name: SFLW . 449
9.20.5 LN: Supervision of media level Name: SLVL . 451
9.20.6 LN: Supervision of the position of a device Name: SPOS . 453
9.20.7 <> LN: Media supervision Name: MediaSupervisionLN . 456
9.21 Logical nodes for transducers and instrument transformers
(LNGroupT_7_410) . 458
9.21.1 General . 458
9.21.2 Classes list . 459
9.21.3 LN: Measurement of electrical conductivity in water Name: TECW . 459
9.22 Logical nodes for switchgear (LNGroupX_7_410) . 460
9.22.1 General . 460
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IEC CDV 61850-7-410 © IEC 2025 – 9 – 57/2750/CDV
9.22.2 Classes list .
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