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IEC 61850-7-1
Edition 2.0 2020-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
Communication networks and systems for power utility automation –
Part 7-1: Basic communication structure – Principles and models
Réseaux et systèmes de communication pour l'automatisation des systèmes
électriques –
Partie 7-1: Structure de communication de base – Principes et modèles
IEC 61850-7-1:2011-07/AMD1:2020-08(en-fr)
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IEC 61850-7-1
Edition 2.0 2020-08
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
Communication networks and systems for power utility automation –
Part 7-1: Basic communication structure – Principles and models
Réseaux et systèmes de communication pour l'automatisation des systèmes
électriques –
Partie 7-1: Structure de communication de base – Principes et modèles
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.200 ISBN 978-2-8322-8481-0
– 2 – IEC 61850-7-1:2011/AMD1:2020
© IEC 2020
FOREWORD
This amendment has been prepared by IEC technical committee 57: Power systems
management and associated information exchange.
The text of this amendment is based on the following documents:
FDIS Report on voting
57/2201/FDIS 57/2221/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC website under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
_____________
4 Abbreviated terms
Add the following new terms to the list of abbreviated terms:
MICS Model implementation conformance statement
PICS Protocol implementation conformance statement
SICS SCL implementation conformance statement
5 Overview of the IEC 61850 series concepts
5.3 The information models of substation automation systems
Add, at the end of the third paragraph below Figure 3, the following new footnote:
There is one exception: the proxy/gateway application. For details, refer to 8.2.3 Gateways and proxies.
© IEC 2020
5.4 Applications modelled by logical nodes defined in IEC 61850-7-4
Figure 4 – Logical node information categories
Replace existing Figure 4 with the following new figure:
5.5 The semantic is attached to data
Figure 6 – Position information depicted as a tree (conceptual)
Replace existing Figure 6 with the following new figure:
– 4 – IEC 61850-7-1:2011/AMD1:2020
© IEC 2020
Replace the first table of Subclause 5.5 with the following new table:
Attribute Attribute type FC TrgOp (Value/value range) Description PresCond
name
stVal DpStatusKind ST dchg Status value of the controllable data object. M
ctlModel CtlModelKind CF dchg Control model as defined in IEC 61850-7-2 M
that reflects the behaviour of the
controllable data object.
Below this table, replace the last item of the dashed list with the following new item:
– the presence conditions, e.g. mandatory (M) or optional (O). These conditions specify
presence of elements in a given context (one LN, or one CDC, or one data attribute type,
or one data object for dataNs) and are specified in IEC 61850-7-2.
After the dashed list, replace the first paragraph and the following table with the following new
paragraph:
The data attribute names are standardised (i.e., they are reserved) names that have a specific
semantic in the context of the IEC 61850 series. The semantic of all data attribute names is
defined in IEC 61850-7-3.
© IEC 2020
6 Modelling approach of the IEC 61850 series
6.2 Creating information models by stepwise composition
Table 2 – Logical node class XCBR (conceptual)
Replace existing Table 2 with the following new table:
Descriptions
External equipment name plate
Name plate of the logical node
Controls
Switch position (see below for details)
Block opening
Block closing
Charger motor enabled
Control authority at station level. Switches between station and higher level.
…
Status information
Mode
Behaviour
Health
External equipment health
Operation counter
Local operation (Indicates the switchover between local and remote operation;
local =TRUE, remote =FALSE)
Circuit breaker operating capability
Point on wave switching capability
Circuit breaker operating capability when fully charged
…
Replace the existing table below Figure 11 with the following new table:
Data object
Explanation
name
... ...
Pos (controllable) Circuit breaker/switch position.
... ...
6.4.2 Output model
6.4.2.1 Control model concept
Figure 14 – Output model (step 1) (conceptual)
Replace existing Figure 14 with the following new figure:
– 6 – IEC 61850-7-1:2011/AMD1:2020
© IEC 2020
Figure 14 – Output model (step 1) (conceptual)
6.4.2.2 GSE and SMV model concept
Add the following new text after the paragraph below Figure 16:
The act of receiving GOOSE and SMV messages by an IED is called subscription. How to
define subscriptions by means of configuration tools is given in the normative Annex H.
6.4.2.4 Setting data and setting group control block
Table 3 – Excerpt of integer status setting
Replace existing Table 3 by the following new table:
ING class
Attribute Attribute FC TrgOp Value/value range PresCond
name type
DataAttribute for configuration, description and extension
setting
setVal INT32 SP dchg The value of the status setting. AtMostOne
setVal INT32 SG, SE The value of the status setting. AtMostOne
configuration, description and extension
minVal INT32 CF dchg Minimum setting for 'setVal'. O
maxVal INT32 CF dchg Maximum setting for 'setVal'. O
stepSize INT32U CF dchg (range=[1.(maxVal-minVal)]) Step between the O
individual values of 'setVal'.
units Unit CF dchg Unit for 'setVal', 'minVal', 'maxVal', 'stepSize'. O
d VISIBLE DC Textual description of the data. In case it is used within O
STRING255 the CDC LPL, the description refers to the logical node.
... ... ... ...
© IEC 2020
6.4.3 Input model
6.4.3.2 Data attribute value processing, monitoring and event detection
Replace the last sentence of the second paragraph with the following new sentence:
The value of mag shall be updated to the current value of instMag when the value has
changed according to the value of the configuration parameters db and dbRef of this data.
Replace Figure 19 and the subsequent paragraph with the following new figure and text:
Figure 19 – Range and deadbanded value (conceptual)
The value of the deadband configuration db shall represent the percentage of the deadband
reference dbRef in units of 0,001 % (fixed deadband). A value of dbRef of 0 means that the
value db shall represent the percentage of the last transmitted values in units of 0,001 %.
This allows for a deadband calculation that is related to the last refreshed value (variable
deadband).
Figure 20 – Input model for analogue values (step 2) (conceptual)
Replace existing Figure 20 with the following new figure:
– 8 – IEC 61850-7-1:2011/AMD1:2020
© IEC 2020
Remove the fourth paragraph below Figure 20.
6.4.3.3.2 Data reporting
Replace existing Table 4 with the following new table:
Table 4 – Comparison of the data access methods
Retrieval Time-critical Can lose Multiple Last change Typical client
method information changes (of clients to receive of data stored (but not
exchange sequence) information by exclusive)
Polling NO YES YES – Browser
(GetDataValues)
Unbuffered YES YES NO – Real-time GUI
Reporting
Buffered YES NO NO Server Data
Reporting concentrator
Log (used for NO NO YES Server Engineering
SOE logging) stations
Replace the existing paragraph before Figure 23 with the following new text:
© IEC 2020
The basic buffered reporting mechanism is shown in Figure 23. The buffered and unbuffered
reporting starts with the reservation of the report control block by the client, followed by
configuration of the report control block, including the verification that the report control block
parameters are meeting the needs of the client. The reporting to the client starts with setting
the enable buffer attribute to TRUE; setting to FALSE stops the reporting to the client.
Before the last sentence of the first paragraph below Figure 23 add the following new
sentence.
The buffering is independent from the reporting being enabled or not.
6.4.3.4 Peer-to-peer data value publishing
Replace the last paragraph of 6.4.3.4 b
...