61
NC20 - Manual - 01 - 2015
FUNCTION CHARACTERISTICS
Fun_46_S2.ai
I
2
R E S E T
t
2>>def
0
T
≥
1
Start I2>>
Trip I2>>
CB-State
ON
≡
Inhibit (from I2>>element)
ON
≡
Enable I2> unbalance current element
(Pickup within CLP)
(Pickup outside CLP)
I2>inhibition
&
T
0
t
2CLP>>
I2CLP>>Mode
I
2 C L P >>def
t
2CLP>>
TR
IP
P
ING
M
A
TR
IX
(LED
+R
EL
A
Y
S
)
A
B
C
A =“1”
A =“0 or OFF”
Output
t
2CLP>>
I2>> Enable
t
2CLP>
CB State
CB OPEN
CB CLOSED
CB OPEN
Output t
2CLP>>
t
0.1 s
HIGH THRESHOLD/
BLOCK
LOW THRESHOLD/
UNBLOCK
HIGH THRESHOLD/
BLOCK
A = ON - Change setting
B = OFF
C = ON - Element blocking
I2>>ALTR-K
I2>>ALTR-L
I2>>ST-L
I2>>ST-K
≥
1
CLP I2>>
I
2
≥
I
2
>>
def
I
2
>>
def
I
2
≥
I
2 C L P
>>
def
t
2>>def
Phase unbalance current (46) - second element logic diagram (I2>>)
Block1, Block2
I2>> element (46) block diagram