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3.3.2
Functionality
The protection relay includes a global conditioning function LEDPTRC that is used with
the protection indication LEDs.
LED indication control should never be used for tripping purposes. There
is a separate trip logic function 86/94 available in the relay configuration.
LED indication control is preconfigured in a such way that all the protection function
general pickup and trip signals are combined with this function (available as output
signals
OUT_START
and
OUT_OPERATE
). These signals are always internally
connected to Pickup and Trip LEDs. LEDPTRC collects and combines phase information
from different protection functions (available as output signals
OUT_ST_A /_B /_C
and
OUT_OPR_A /_B /_C
). There is also combined ground fault information collected
from all the ground-fault functions available in the relay configuration (available as output
signals
OUT_ST_NEUT
and
OUT_OPR_NEUT
).
3.4
Programmable LEDs
3.4.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE
identification
Programmable LEDs
LED
LED
LED
3.4.2
Function block
GUID-00339108-34E4-496C-9142-5DC69F55EE7A V1 EN
Figure 11:
Function block
3.4.3
Functionality
The programmable LEDs reside on the right side of the display on the LHMI.
1MAC059074-MB A
Section 3
Basic functions
615 series ANSI
75
Technical Manual
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