Far End Fault Indication
Far End Fault Indication (FEFI) is a special setting of switches. It is always only possible to log a line interrup-
tion on the receive line. If a line interruption is detected, the link status of the line is changed. The status
change leads to deletion of the MAC address assigned to the port in the switch. However, outage of the
receive line from the aspect of the switch can only be detected in the receiver, that is, by the switch. The
receiver then immediately blocks the transmit line and signals the connection failure to the other device. The
FEFI setting in the switch triggers detection of the error on the receive line of the switch.
FEFI
Far End Fault Indication
FG
Function group
Fleeting indication
Fleeting indications are single-point indications present for a very short time, in which only the coming of the
process signal is logged and further processed time-correctly.
Floating
Floating means that a free potential not connected to ground is generated. Therefore no current flows
through the body to ground in the event of touching.
Folder
This object type helps when structuring a project hierarchically.
Function group
Functions are brought together into function groups (FG). The assignment of functions to current and/or
voltage transformers (assignment of functions to measuring points), the information exchange between the
function groups via interfaces as well as the generation of group indications are important for this bringing
together.
General interrogation
The state of all process inputs, of the status, and of the error image are scanned on system startup. This infor-
mation is used to update the system-side process image. Likewise, the current process state can be interro-
gated after data loss with a general interrogation (GA).
General Station Description Mark-up Language
GSDML is an XML-based description language for creating a GSD file.
Generic Object-Oriented Substation Event
GOOSE. Protocol of IEC 61850 for communication between bay units.
GI
General interrogation
GIN
Generic Identification Number
GOOSE
Generic Object-Oriented Substation Event
Glossary
SIPROTEC 5, Overcurrent Protection, Manual 1621
C53000-G5040-C017-8, Edition 07.2017
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