21.12.1.1 System time
M11348-119 v5
21.12.1.2 Synchronization
M11348-143 v4
The setting parameters for the real-time clock with external time synchronization
are set via local HMI or PCM600. The path for T
ime Synchronization parameters
on local HMI is Main menu/Configuration/Time/Synchronization. The
parameters are categorized as Time Synchronization (TIMESYNCHGEN) and
IRIG-B settings (IRIG-B:1) in case that IRIG-B is used as the external time
synchronization source.
IEEE 1588 (PTP)
GUID-424227EC-74A1-4628-8948-C1876840ABFE v2
Precision Time Protocol (PTP) is enabled/disabled using the Ethernet configuration
tool /ECT) in PCM600.
PTP can be set to On,Off or Slave only. When set to Slave only the IED is
connected to the PTP-group and will synchronize to the grandmaster but cannot
function as the grandmaster.
A PTP-group is set up by connecting the IEDs to a network and enabling PTP. To
set one IED as the grandmaster change Priority2 to 127 instead of the default 128.
IEC16000089 V1 EN-US
Figure 193: Enabling PTP in ECT
The PTP VLAN tag must have the same value in station clock and in the IED. The
default value is set to 0.
The PTP VLAN tag does not need to be the same on all access points in one IED. It
is possible to mix as long as they are the same for all devices on each subnet.
Section 21 1MRK 506 375-UEN A
Basic IED functions
472 Railway application RER670 2.2 IEC
Application manual
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