ABB Relion RES670 Operator's Manual page 83

1MRK511251-UEN B
Operator's manual
TCP (default port 20 000). It is defined in the configuration which type of
Ethernet communication is used. Only one type is possible for a specific
configuration.
• The PCM600 port for SPA (port 7001) is used for configuration and parameter
setting using the PCM600 tool and a proprietary protocol SPA and is fixed and
can not be changed.
• The Internet Protocol ports used for phasor data are configurable. The default
TCP ports (4711, 4712 and 4713) can be changed by the user.
These security drawbacks are acceptable in limited local networks. For wide area
networks in particular with connection to the Internet, the 670 series Ethernet
communication must be protected against illegal access. This protection must be
handled by external devices to setup a secure virtual private network (VPN).
Section 14
Authorization
77