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UR SERIES – COMMUNICATIONS GUIDE
PIXIT CONFORMANCE STATEMENT
CHAPTER 3: IEC 61850 COMMUNICATION
3
3.7 PIXIT conformance statement
This section outlines protocol implementation extra information for testing (PIXIT), which relates to restrictions and
limitations of a device. This section specifies the PIXIT of the IEC 61850 interface in UR devices with firmware version 7.3
and later.
Together with PICS and the MICS, the PIXIT forms the basis for a conformance test according to IEC 61850-10. The PIXIT
entries contain information that is not available in the PICS, MICS, TICS documents or SCL file.
Each table specifies the PIXIT for applicable ACSI service model as structured in IEC 61850-10. The “Ed” column indicates if
the entry is applicable for IEC 61850 Edition 1 and/or Edition 2.
Table 3-120: PIXIT for Association model
I29
Interpret client references in the control blocks of other
IEDs to find the control block instances allocated to this
IED, and data sent to this IED.
Yes
Yes
I210
Set IED configuration values and parameter values as
defined in SCD file
Yes
Yes
Where configurable
I211
Support changed (reduced capability) valKind (e.g. from
Set to RO or to Conf) (able 46)
I212
Support ldName on other IEDs (9.3.4)
Yes
Yes
I213
Interpret input signal references to source control
blocks (9.3.13)
Yes
Yes
I214
Imports UTF-8 coding of XML
Yes
Yes
IID export after IED engineering
Yes
Yes
I31
IED version and instance information: LPHD.PhyNam:
hwRev, swRev, serNum, LLN0.NamPlt.configRev
Yes
Yes
I32
Configuration values (fc=CF)
Yes
Yes
I33
Setting Parameter values (fc=SP, SG)
Yes
Yes
I34
SCL Header management (9.1)
I35
Modify IED data model (add LN/Data object/LD, or
remove unused LD/LN/Data object)
Tool functionality
I41
Support MustUnderstand concept (8.2)
Yes
Yes
I42
Bind incoming 61850 signals to IED internal (input)
signals
Yes
Yes
I43
Use or create IED Input section for binding incoming
(external) signals to internal signals, to document this
binding
Yes
Yes
I44
Create CID file for IED
Yes
I45
Support ldName for LD name specification
Yes
Yes
I46
Modify LN prefixes or ldInst
ID
Ed
Description
Value / Clarification
As2
1,2
TCP_KEEPALIVE value. The recommended
range is 1..20s.
7200 seconds
As3
1,2
Lost connection detection time
120 seconds (if there is no MMS traffic for this time,
the connection is dropped)
As5
1,2
What association parameters are
necessary for successful association?
Transport selector Y
Session selector Y
Presentation selector Y
AP Title N
AE Qualifier N
UR
UR Setup
Value/comments
Summary of Contents for UR series
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