GE P24DM Technical Manual Download

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6.5.9.2

LOSS OF POWER

The IED allows the re-establishment of associations without disruption of its operation, even after its power has
been removed. As the IED acts as a server in this process, the client must request the association. Uncommitted
settings are cancelled when power is lost, and reports requested by connected clients are reset. The client must
re-enable these when it next creates the new association to the IED.

6.5.10

IEC 61850 CONFIGURATION

You cannot configure the device for IEC 61850 edition 1 using the HMI panel on the product. For this you must use
the IEC 61850 Configurator, which is part of the settings application software. If the device is compatible with
edition 2, however, you can configure it with the HMI. To configure IEC61850 edition 2 using the HMI, you must first
enable the IP From HMI setting, after which you can set the media (copper or fibre), IP address, subnet mask and
gateway address.

IEC 61850 allows IEDs to be directly configured from a configuration file. The IED’s system configuration
capabilities are determined from an IED Capability Description file (ICD), supplied with the product. By using ICD
files from the products to be installed, you can design, configure and test (using simulation tools), a substation’s
entire protection scheme before the products are installed into the substation.

To help with this process, the settings application software provides an IEC 61850 Configurator tool, which allows
the pre-configured IEC 61850 configuration file to be imported and transferred to the IED. As well as this, you can
manually create configuration files for all products, based on their original IED capability description (ICD file).

Other features include:

●

The extraction of configuration data for viewing and editing.

●

A sophisticated error checking sequence to validate the configuration data before sending to the IED.

Note:
Some configuration data is available in the IEC61850 CONFIG. column, allowing read-only access to basic configuration data.

6.5.10.1

IEC 61850 CONFIGURATION BANKS

There are two configuration banks:

●

Active Configuration Bank

●

Inactive Configuration Bank

Any new configuration sent to the IED is automatically stored in the inactive configuration bank, therefore not
immediately affecting the current configuration.

Following an upgrade, the IEC 61850 Configurator tool can be used to transmit a command, which authorises
activation of the new configuration contained in the inactive configuration bank. This is done by switching the
active and inactive configuration banks. The capability of switching the configuration banks is also available using
the IEC61850 CONFIG. column of the HMI.

The SCL Name and Revision attributes of both configuration banks are available in the IEC61850 CONFIG. column
of the HMI.

6.5.10.2

IEC 61850 NETWORK CONNECTIVITY

Configuration of the IP parameters and SNTP (Simple Network Time Protocol) time synchronisation parameters is
performed by the IEC 61850 Configurator tool. If these parameters are not available using an SCL (Substation
Configuration Language) file, they must be configured manually.

Every IP address on the Local Area Network must be unique. Duplicate IP addresses result in conflict and must be
avoided. Most IEDs check for a conflict on every IP configuration change and at power up and they raise an alarm
if an IP conflict is detected.

GE P24DM, Technical Manual

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