Thytronic NA11

68
68
NA11 - Manual - 02 - 2009
FUNCTION CHARACTERISTICS
50N-51NS3_BL-diagram.ai
BLK1IE>>>
IE>>>BLK1
IE>>>BLK2IN
Start I
E
>>>
Trip I
E
>>>
IE>>>BLK2OUT
Start I
E
>>
Binary input INx
T0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Binary input INx
T0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Binary input INx
T0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Binary input INx
T0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
Block2 IPh
Block2 IPh/IE
ModeBLIN1
T0
t
B-Iph
≥1
≥1
≥1
≥1
≥1
t
B-Iph
t
B-IE
&
&
BLK2IN IE>>>
&
&
Enable (ON≡Enable)
Block2 input enable (ON≡Enable)
Pilot wire input
Pilot wire output
&
Block1
BLK2IN-Iph
Iph Block2
IE Block2
IE/Iph Block2
BLK2IN-IE
tB timeout
Block2 input
Block1
FROM EARTH FAULT PROTECTIONS
FROM ANY PROTECTIONS
OFF
ON IPh
ON IPh/IE
ON IE
BLIN1
Block1
T0
t
B-IE
Block2 IE
Block1, Block2
TRIPPING MATRIX (LED+RELAYS)
TRIPPING MATRIX (LED+RELAYS)
≥1
≥1
ModeBLOUT1
A
B
C
D
BLOUT1
Block2 output
≥1
≥1
t
F-IPh
t
F-IPh/IE
t
F-IE
ST-Iph BLK2
ST-IE BLK2
&
Block2 output
(ON≡Enable)
≥1
T0
t
F-IPh/IE
T0
t
F-IPh
T0
t
F-IE
I>> Blk2 OUT
I> Blk2 OUT
I>>> Blk2 OUT
I
E
>> Blk2 OUT
I
E
> Blk2 OUT
I
E
>>> Blk2 OUT
BLK2OUT-Iph
BLK2OUT-Iph/IE
BLK2OUT-IE
A = OFF
B = ON IPh
C = ON IPh/IE
D = ON IE
BLK2OUT-IPh-K
BLK2OUT-IPh-L
BLK2OUT-IPh/IE-K
BLK2OUT-IPh/IE-L
BLK2OUT-IE-K
BLK2OUT-IE-L
tB-K
tB-L
Residual overcurrent (50N/51N) - Logic diagram of the blocking signals concerning the third element (IE>>>)