IEC 61850
HSR
SMV traffic
Backup 1588
master clock
Managed HSR
Ethernet
switch
Primary
IEEE 1588 v2
master clock
Secondary
IEEE 1588 v2
master clock
(optional)
Managed HSR
Ethernet
switch
Figure 10: Example network topology with process bus, redundancy and IEEE 1588
v2 time synchronization
The process bus option is available for REC615 and RER615 protection relays
equipped with phase voltage inputs. Another requirement is a communication card
with IEEE 1588 v2 support (COM0031...COM0037). See the IEC 61850 engineering
guide for detailed system requirements and configuration details.
2.5.4 Secure communication
The protection relay supports secure communication for WHMI and file transfer
protocol. If the
Secure Communication
parameter is activated, protocols require
TLS based encryption method support from the clients. In this case WHMI must be
connected from a Web browser using the HTTPS protocol and in case of file transfer
the client must use FTPS.
1MRS758755 C
REC615 and RER615 overview
REC615 & RER615
Technical Manual
41
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