Thytronic NA11 User Manual

78
78
NA11 - Manual - 02 - 2009
FUNCTION CHARACTERISTICS
earth protection elements), the selective block input is disregarded and the operate timer can
start again. Information about t
B-Iph
and or t
B-IE
expired is available for reading (tB timeout data
inside Read \ Selective block - BLOCK2\Block2 input menu) and can drive an output relay and
or a LED (tB-K and or tB-K parameters inside Set \ Profi le A(or B) \ Selective block - BLOCK2\
Selective block IN submenu).
If the t
B-Iph
or t
B-IE
are cleared the selective block state is freeze up to the selective block input is
active.
With a setting other than 0.00 s, the t
B-Iph
and t
B-IE
timers may be used to have a backup protection
available against pilot wire short circuit..
To enable the selectivity logic input for a generic xx element, the xxBLK2IN parameters must be set
to ON inside the Set \ Profi le A(or B) \ xxx \ Setpoints submenus concerning all element where the
selective block is available.
TB-timer.ai
t
t
B-Iph
/t
B-IE
BLIN2IN-Iph/BLIN2IN-IE
tB timeout
INPUT BLOCK
(binary input and/or BLIN1)
tB timer
TB-timer.ai
t
t
B-Iph
/t
B-IE
BLIN2IN-Iph/BLIN2IN-IE
tB timeout
INPUT BLOCK
(binary input and/or BLIN1)
tB timer
Binary input INx
T 0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Binary input INx
T 0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Binary input INx
T 0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Block2 IPh
Block2 IPh/IE
ModeBLIN1
PulseBLIN1
T 0
t
B-Iph
T 0
Pilot wire
Diagnostic
Pulse BLIN1
Block2-in-diagram.ai
≥1
≥1
≥1
≥1
t
B-Iph
t
B-IE
BLK2IN xx
&
&
&
Pilot wire input
No pulses
Permanently “ON”
xxBLK2IN
BLK2IN-Iph
Start xx
Trip xx
BLK2IN I>
&
&
Block2 input enable (I> element)
Block2 input enable (I>, I>>, I>>>, IE>, IE>>, IE>>>, elements)
(ON≡Enable)
&
I>BLK2IN
Start I>
Trip I>
Iph Block2
IE Block2
BLK2IN-IE
tB timeout
FROM EARTH FAULT PROTECTIONS
FROM ANY PROTECTIONS
FROM PHASE PROTECTIONS
OFF
ON IPh
ON IPh/IE
ON IE
BLIN1
T 0
t
B-IE
Block2 IE
Breaked BLIN1
TRIPPING MATRIX (LED+RELAYS)
≥1
≥1
Shorted BLIN1
Logic diagram concerning the selective block intput - Block2 input

Thytronic NA11 Specifications

General

Brand	Thytronic
Model	NA11
Category	Relays
Language	English