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1MRK 505 370-UEN D
Section 16
16.1
Access point
16.1.1
Application
The access points are used to connect the IED to the communication buses (like the station
bus) that use communication protocols. The access point can be used for single and
redundant data communication. The access points are also used for communication with the
merging units and for time synchronization using Precision Time Protocol (PTP).
16.1.2
Setting guidelines
The settings for the access points are configured using the Ethernet configuration tool (ECT)
in PCM600.
The access point is activated if the
point and a partial or common write to IED is performed.
Redundancy and PTP cannot be set for the front port (Access point 0) as redundant
communication and PTP are only available for the rear optical Ethernet ports.
Subnetwork shows the SCL subnetwork to which the access point is connected. This column
shows the SCL subnetworks available in the PCM600 project. SCL subnetworks can be
created/deleted in the Subnetworks tab of IEC 61850 Configuration tool in PCM600.
The IP address can be set in
on separate subnetworks.
The subnetwork mask can be set in
based on the
To select which communication protocols can be run on the respective access points, check or
uncheck the check box for the relevant protocol. The protocols are not activated/deactivated
Busbar protection REB670
Application manual
Ethernet-based communication
The physical ports allocated to access points 2–6 have to be added in the
hardware tool in PCM600 before the access points can be configured. The
factory setting only includes the physical ports allocated to the front port and
access point 1.
Operation checkbox is checked for the respective access
To increase security, it is recommended to deactivate the access point when it
is not in use.
When saving the ECT configuration after selecting a subnetwork, ECT creates
the access point in the SCL model. Unselecting the subnetwork removes the
access point from the SCL model. This column is editable for IEC61850 Ed2 IEDs
and not editable for IEC61850 Ed1 IEDs because in IEC61850 Ed1 only one
access point can be modelled in SCL.
IP address . ECT validates the value, the access points have to be
Subnet mask . This field will be updated to the SCL model
Subnetwork selection.
Section 16
Ethernet-based communication
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