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36
NC20 - Manual - 01 - 2015
FUNCTION CHARACTERISTICS
Reset LEDs
If the element tripped have gone back to rest condition, the latched LEDs and/or relays may be
reset.
Set profi le
Inside Pro_N devices, two independent setting profi les (A and B) are available. Whereas different
settings are required, they are made in the setting profi les and stored in the non volatile memory of
relay. Applicable setting profi le is activated usually via a binary input; when the programmed input is
activated, the profi le B becomes operative as a replacement for the default profi le A.
[1]
Fault trigger
When the programmed input is activated, a trigger is issued for fault record SFR). Data storing takes
place with the same procedure resulting from a trip of any protective elements
Note 1 To enable the profi le switching the “
Input-selected
” parameter must be set inside the “
Profi le selection
” submenu.
If multiple setting groups are not required, Group A is the default selection
Reset-led.ai
TR
IP
P
ING
M
A
TR
IX
(LED
+R
EL
A
Y
S
)
≥
≥
&
&
Set (ON
≡
turn on LED/relay)
S
Set-Reset latch
R
Reset (ON
≡
turn off LED/relay)
Reset LEDs
Binary input allocation for reset signalling (LEDs)
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
INx
t
OFF
Binary input INx
Reset-led.ai
TR
IP
P
ING
M
A
TR
IX
(LED
+R
EL
A
Y
S
)
≥
≥
&
&
Set (ON
≡
turn on LED/relay)
S
Set-Reset latch
R
Reset (ON
≡
turn off LED/relay)
Reset LEDs
Binary input allocation for reset signalling (LEDs)
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
INx
t
OFF
Binary input INx
Switch-profile.ai
(A, B, from binary input)
OFF
≡
Profile A, ON
≡
Profile B
Binary input allocation for switching of setting profiles
Profile A
Profile B
Profile A
Profile selection
Profile B
Set profile
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
INx
t
OFF
Binary input INx
Switch-profile.ai
(A, B, from binary input)
OFF
≡
Profile A, ON
≡
Profile B
Binary input allocation for switching of setting profiles
Profile A
Profile B
Profile A
Profile selection
Profile B
Set profile
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
INx
t
OFF
Binary input INx
Trigger-faults.ai
Binary input allocation for fault recorder trigger
Fault trigger
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
INx
t
OFF
Binary input INx
Fault recording
Protection
element
I
L1
->
I
L1r
I
L2
->
I
L2r
.....
DTheta->DTheta-r
Inputs
Outputs
Fault cause info
≥
1
Trigger-faults.ai
Binary input allocation for fault recorder trigger
Fault trigger
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
INx
t
OFF
Binary input INx
Fault recording
Protection
element
I
L1
->
I
L1r
I
L2
->
I
L2r
.....
DTheta->DTheta-r
Inputs
Outputs
Fault cause info
≥
1
