7.5.7 IEC 61850 PEER-TO-PEER (GOOSE) COMMUNICATIONS
The implementation of IEC 61850 Generic Object Oriented Substation Event (GOOSE) enables faster
communication betw
een IEDs offering the possibility for a fast and r
eliable system-wide distribution of input and
output data values. The GOOSE model uses multicast services to deliver event information. Multicast messaging
means that messages are sent to selected devices on the network. The receiving devices can specifically accept
frames from certain devices and discard frames from the other devices. It is also known as a publisher-subscriber
system. When a device detects a change in one of its monitored status points it publishes a new message. Any
device that is interested in the information subscribes to the data it contains.
7.5.8 MAPPING GOOSE MESSAGES TO VIRTUAL INPUTS
Each GOOSE signal contained in a subscribed GOOSE message can be mapped to any of the virtual inputs within
the PSL
. The vir
tual inputs allow the mapping to internal logic functions for protection control, directly to output
contacts or LEDs for monitoring.
An IED can subscribe to all GOOSE messages but only the following data types can be decoded and mapped to a
virtual input:
● BOOLEAN
● BSTR2
● INT16
● INT32
● INT8
● UINT16
● UINT32
● UINT8
7.5.8.1 IEC 61850 GOOSE CONFIGURATION
All GOOSE configuration is performed using the IEC 61850 Configurator tool available in the MiCOM S1 Agile
softwar
e application.
All GOOSE publishing configuration can be found under the GOOSE Publishing tab in the configuration editor
window. All GOOSE subscription configuration parameters are under the External Binding tab in the configuration
editor window.
Settings to enable GOOSE signalling and to apply Test Mode are available using the HMI.
7.5.9 ETHERNET FUNCTIONALITY
IEC 61850 Associations ar
e unique and made betw
een the client and server. If Ethernet connectivity is lost for any
reason, the associations are lost, and will need to be re-established by the client. The IED has a TCP_KEEPALIVE
function to monitor each association, and terminate any which are no longer active.
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.
7.5.10 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 par
t 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.
Chapter 18 - Communications P14x
448 P14xEd1-TM-EN-1
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