Specific Settings Related To The Iec 61850-9-2Le Communication; Loss Of Communication - ABB Relion REC670 Applications Manual

1MRK 511 358-UEN A
18.3.2.1

Specific settings related to the IEC 61850-9-2LE communication

The process bus communication IEC 61850-9-2LE have specific settings, similar to the analog
inputs modules.
Besides the names of the merging unit channels (that can be edited only from PCM600, not
from the local HMI) there are important settings related to the merging units and time
synchronization of the signals:
If there are more than one sample group involved, then time synch is mandatory and the
protection functions will be blocked if there is no time synchronization.
SmpGrp – this setting parameter is not used
CTStarPointx : This parameter specifies the direction to or from object. See also section
"Setting of current
AppSynch : If this parameter is set to Synch and the IED HW-time synchronization is lost or the
synchronization to the MU time is lost, the protection functions in the list
and the output SYNCH will be set.
SynchMode : marks how the IED will receive the data coming from a merging unit:
• if it is set to
"SmpSynch" flag
• If it is set to
• setting
For more information on the settings, see "MU1_4I_4U Non group settings (basic)" table.
18.3.2.2

Loss of communication

If IEC 61850-9-2LE communication is lost, see examples in figures 202,
protection functions in table 45are blocked.
Case 1:
IEC13000298 V1 EN-US
Figure 202: Normal operation
Case 2:
Application manual
When changing the sending (MU unit) MAC address, a reboot of the IED is
required.
channels".
NoSynch , then when the sampled values arrive, there will be no check on the
Operation , the "SmpSynch" flag will be checked all time.
Init , should not be used
IEC13000298-1-en.vsd
Section 18
Station communication
SEMOD166590-24 v5
45 will be blocked
GUID-29EFBCB7-2B4F-4AA1-B593-8E89838722E0 v2.1.1
203 and 204, the
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