66
NV021 - Manual - 08 - 2012
CHARACTERISTICS
Fun-F81R_S2.ai
RESET
t
df>>
def
0
T
TR
IP
P
ING
M
A
TR
IX
(LED
+R
EL
A
Y
S
)
t
df>>
def
df
>> Start
df
>> Start
df
>> Trip
f
<< Trip
df
>> Trip
BF Enable (ON
≡
Enable)
towards BF logic
&
df
>> Block1
df
>> BF
&
&
&
Enable (ON
≡
Enable)
Block1 input (ON
≡
Block)
Block1
Block1
Binary input INx
T
0
Logic
INx
t
ON
INx
t
ON
INx
t
OFF
T
0
n.o.
n.c.
INx
t
OFF
&
(ON
≡
Inhibit)
df
> inhibition
df
>disby
df
>>
df
>> BF
df
>>ST-K
df
>>ST-L
df
>>TR-K
df
>>TR-L
df>>BLK1
A
A Positive
C Negative
B Module
B
C
From 3rd and/or 4th element
(ON
≡
Inhibit)
d
f>>
inhibition
&
≥1
df
df
≥ d
f
>>
def
df
>>
def
Mode- df
df
≤ -d
f
>>
def
f
U
L1
U
L1
≥ 2 0 %
U
n
1 6
≤
f
≤
8 0 H z
Logic diagram concerning the second threshold (df>>) of the frequency rate of change element - 81R
Fun-F81R_S1.ai
RESET
t
df>def
0
T
TRIP
P
ING
M
A
TRIX
(LED
+R
EL
A
Y
S
)
df
> Start
df
> Start
df
> Trip
df
> Trip
df
> Trip
BF Enable (ON
≡
Enable)
towards BF logic
&
Block1
df
> BF
&
&
&
Enable (ON
≡
Enable)
Block1 input (ON
≡
Block)
df>BLK1
d
f
> Block1
Block1
Binary input INx
T
0
Logic
INx
t
ON
INx
t
ON
INx
t
OFF
T
0
n.o.
n.c.
INx
t
OFF
t
df>def
df
>ST-K
A
A Positive
C Negative
B Module
B
C
df
>ST-L
df
>TR-K
df
>TR-L
df>BF
From 2nd, 3rd and/or 4th element
(ON
≡
Inhibit)
d
f>
inhibition
&
≥1
df
df
≥ d
f
>
def
df
>
def
Mode- df
df
≤ -d
f
>
def
f
U
L1
U
L1
≥ 2 0 %
U
n
1 6
≤
f
≤
8 0 H z
Logic diagram concerning the first threshold (df>) of the frequency rate of change element - 81R