Setting example
9-2
REC
PTP
PTP
Station bus
GPS
SAM600-TS
SAM600-CT
SAM600-VT
PTP
PTP
9-2
PTP
REL
MU
GTM
PPS
IEC16000167-1-en.vsdx
9-2
9-2 9-2
Process bus
IEC16000167 V1 EN
Figure 420: Example system
Figure 420 describes an example system. The REC and REL are both using the 9-2 stream
from the 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 PTP parameter is “ON”.
On the REL, the parameter FineSyncSource (under Configuration/Time/
Synchronization/TIMESYNCHGEN:1/General) is set to “GPS” if there is a GPS
antenna attached.
If the GTM is used as a PPS output only, the FineSynchSource is not set.
Section 24 1MRK 506 369-UUS -
Basic IED functions
914 Line distance protection REL670 2.2 ANSI
Application manual
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