FUNCTION CHARACTERISTICS
82
NA30 - Manual - 04 - 2022
Logic diagram concerning the first threshold (UE>) of the residual overvoltage element - 59N
Fun-F59N_S1.ai
≥1
U
E
> Inhibition
(ON≡
Inhibit
)
Block 74VTExt59N
(ON≡
Inhibit
)
&
U
E
> Curve
0T
RESET
t
UE>
0T
TRIPPING MATRIX
(LED+RELAYS)
t
UE>def
t
UE>inv
Start U
E
>
U
E
>ST-K
U
E
>ST-L
Start U
E
>
Trip U
E
>
U
E
>TR-K
U
E
>TR-L
Trip U
E
>
Block1 U
E
>
74VT ext.
Trip U
E
>
BF Enable (ON≡Enable)
UE>BF
towards BF logic
&
U
E
> BF
&
&
&
Enable (ON≡Enable)
Block1 input (ON≡Block)
Block1
Block1
Block1
Binary input INx (x=1,...5)
T 0
Logic
INx
t
ON
INx
t
ON
INx
t
OFF
T0
n.o.
n.c.
INx
t
OFF
74VText.
Binary input INx (x=1,...5)
T 0
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
ON≡Enable UE> residual overvoltage element
UE> Enable
U
E
U
E
>def
U
E
>inv
≥1
&
State
U
E
≥
U
E
>def
U
E
≥
U
E
>inv
&
State
Logic diagram concerning the second threshold (UE>>) of the residual overvoltage element - 59N
Fun-F59N_S2.ai
≥1
&
RESET
t
UE>>
0T
TRIPPING MATRIX
(LED+RELAYS)
t
UE>>def
Start U
E
>>
U
E
>>ST-K
U
E
>>ST-L
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
Block1
Binary input INx (x=1,...5)
T 0
Logic
INx
t
ON
INx
t
ON
INx
t
OFF
T0
n.o.
n.c.
INx
t
OFF
74VText.
Binary input INx (x=1,...5)
T 0
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>>
Block 74VTExt59N
(ON≡
Inhibit
)
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