Thytronic NV10P - Page 67

67
NV10P - Manual - 01 - 2015
CHARACTERISTICS
Logic diagram concerning the second threshold (UE>>) of the residual overvoltage element - 59N
Fun-F59N_S2.ai
RESET
t
UE>>
0T
TRIPPING MATRIX (LED+RELAYS)
Start U
E
>>
U
E
>>ST-K
U
E
>>ST-L
Start U
E
>>
Start U
E
>>
Trip U
E
>>
U
E
>>TR-K
U
E
>>TR-L
Trip U
E
>>
Trip U
E
>>
BF Enable (ON≡Enable)
UE>>BF
towards BF logic
&
Block1 U
E
>>
74VT ext.
U
E
>> BF
&
&
&
Enable (ON≡Enable)
Block1 input (ON≡Block)
Block1
Block1
Binary input INx
T0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
74VText.
Binary input INx
T0
Logic
INx t
ON
INx t
ON
INx t
OFF
T0
n.o.
n.c.
INx t
OFF
t
UE>>RES
T0
t
UE>>RES
U
E
U
E >>def
&
State
U
E
≥ U
E >>def
&
(ON≡
Inhibit )
UE> Inhibition
UE>disbyUE>>
UE>>BLK1
&
(closing)
DDI OFF->ON
(1≡upstream)
EnTcUE>>def
t
atcUE>>def
0T
RESET
t
UE>>def
t
cUE>>def
t
atcUE>>def
“1”
“0”
≥1
(1≡DDI closed)
DDI state
(1≡upstream)
UE>>disbyCB_OPEN
TV downstream
CB State
CB CLOSED (52a=ON)
CB OPEN (52a=OFF)
t
UE>>
= t
cUE>>def
t
UE>>
= t
cUE>>def
t
atcUE>>def
t
UE>>
t
UE>>
= t
UE>>def