ABB Relion 670 Series Applications Manual page 582

Section 23
Basic IED functions
Setting example
Station bus
Process bus
IEC16000167 V1 EN-US
Figure 255: Example system
Figure 255
SAM600, and gets its synch from the GPS. Moreover, the REL and REC both acts as a boundary
clock to provide synch to the SAM600. The REL contains a GTM card, which has a PPS output that
is used to synchronize merging units that are not PTP compliant. As a side effect, the GTM
contains a GPS receiver and the REL acts as a backup of the GPS on the station bus.
On all access points, the
On the REL, the parameter
TIMESYNCHGEN:1/General) is set to "
If the GTM is used as a PPS output only, the
23.13.2.3 Process bus IEC/UCA 61850-9-2LE synchronization
When process bus communication (IEC/UCA 61850-9-2LE protocol) is used, it is essential that the
merging units are synchronized with the hardware time of the IED (see Technical manual, section
Design of the time system (clock synchronization ) ). To achieve this, PTP, PPS or IRIG-B can be
used depending of the facilities of the merging unit.
If the merging unit supports PTP, use PTP. If PTP is used in the IED and the merging unit is not PTP
capable, then synchronize the merging unit from the IED via a PPS out from the GTM. If PTP is used
in the IED and the merging unit cannot be synchronized from the IED, then use GPS-based clocks
to provide PTP synch as well as sync to the merging unit.
If synchronization of the IED and the merging unit is based on GPS, set the parameter
SyncLostMode to BlockOnLostUTC in order to provide a block of protection functions whenever
the global common time is lost.
576
GPS
PTP
PTP PTP
REC REL GTM
PTP 9-2
PTP 9-2
9-2
9-2 9-2
SAM600-TS
SAM600-CT
SAM600-VT
IEC16000167-1-en.vsdx
describes an example system. The REC and REL are both using the 9-2 stream from the
PTP parameter is " ON ".
FineSyncSource (under Configuration/Time/Synchronization/
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PPS
MU
GPS " if there is a GPS antenna attached.
FineSynchSource is not set.
1MRK 511 401-UUS F
GUID-6E384BDB-5598-4108-99B4-0B4A4E1828B2 v5
Bay control REC670
Application manual