104
NVA100X-D - Manual - 02 - 2016
FUNCTION CHARACTERISTICS
Fun-40_S1.ai
&
X
C1
X
D1
t
XC1XD1-RES
T
0
RESET
t
XC1XD1
0
T
TRIP
P
ING
M
ATRIX
(LED
+R
EL
AY
S
)
t
XC1XD1
t
XC1XD1-RES
X
C1
-X
D1
Start
X
C1
-X
D1
ST-K
X
C1
-X
D1
ST-L
X
C1
-X
D1
TR-K
X
C1
-X
D1
TR-L
X
C1
-X
D1
Start
X
C1
-X
D1
Trip
X
C1
-X
D1
Trip
X
C1
-X
D1
Trip
Block3
≥
1
≥
1
74VT Block
VT fault (74VT)
BF Enable (ON
≡
Enable)
XC1XD1-BF
Mode
towards BF logic
&
X
C1
-X
D1
Block1
X
C1
X
D1
-BF
&
&
&
Enable (ON
≡
Enable)
Block1 input (ON
≡
Block)
Block1
Block1
(=0 without fault)
=0 if 20≤f≤70 Hz
Block1
&
(ON
≡
Inhibit)
AL40 inhibition
4 0 A L d i s b y X C 1 X D1
Start undervoltage
&
Undervoltage enable
(ON
≡
Enable)
I
L1L
U
L1
Z
L1
,
R
L1
,
X
L1
R
L1
2
+(
X
L1
+
X
C1
)
2
≤
(
X
D1
/
2)
2
R
L1
2
+(
X
L1
-
X
C1
)
2
≤
(
X
D1
/
2)
2
Binary input INx
T
0
Logic
INx
t
ON
INx
t
ON
INx
t
OFF
T
0
n.o.
n.c.
INx
t
OFF
X
L1
≤ -tan
Alpha40AL
·
R
L1
&
R
L1
≤ 0
or
X
L1
≤ tan
Alpha40Al
·
R
L1
&
R
L1
> 0
X
L1
≤ tan
Alpha40AL
·
R
L1
&
R
L1
≤ 0
or
X
L1
≤ -tan
Alpha40AL
·
R
L1
&
R
L1
> 0
Alpha40AL
Mode = GENERATOR
Mode = MOTOR
U
L1
≥ 10%
E
n
I
L1L
≥ 5%
I
nL
Logic diagram concerning the first threshold of the loss of field element - 40