Thytronic NA011 - Page 35

FUNCTION CHARACTERISTICS
35
NA011 - Manual - 05 - 2022
Fun_50-51S2.ai
I
L1
I
L2
t
>>RES
T0
RESET
t
>>def
0T
≥ 1
t
>>def
I
>>def
t
>>RES
Start I>>
Trip I>>
CB-State
(Pickup within CLP)
(Pickup outside CLP)
T 0
t
CLP>>
ICLP>>Mode
I
CLP >>def
t
CLP >>
I
L1
≥ I>>
def
I
L1
≥ I>>
def
BF Enable (ON≡ Enable)
I>>BF
towards BF logic
I>> BF
&
Trip I>>
TRIPPING MATRIX (LED+RELAYS)
A
B
C
A =“1”A =“0 or OFF”
Output
t
CLP>>
I
L3
t
CLP>>
CB State CB OPEN CB CLOSED CB OPEN
Output t
CLP>>
t
0.1 s
HIGH THRESHOLD/
BLOCK
LOW THRESHOLD/
UNBLOCK
HIGH THRESHOLD/
BLOCK
A = ON - Change setting
B = OFF
C = ON - Element blocking
I>>TR-K
I>>TR-L
I>>ST-L
I>>ST-K
Phase overcurrent (50/51) - Second element logic diagram (I>>)
Fun_50-51S3.ai
I
L1
I
L2
t
>>>RES
T0
RESET
t
>>>def
0T
≥ 1
t
>>>def
I
>>>def
t
>>>RES
Start I>>
Trip I>>>
CB-State
(Pickup within CLP)
(Pickup outside CLP)
T 0
t
CLP>>>
ICLP>>>Mode
I
CLP >>def
t
CLP >>>
I
L1
≥ I>>>
def
I
L1
≥ I>>>
def
BF Enable (ON≡ Enable)
I>>>BF
towards BF logic
I>>> BF
&
Trip I>>>
TRIPPING MATRIX (LED+RELAYS)
A
B
C
A =“1”A =“0 or OFF”
Output
t
CLP>>>
I
L3
t
CLP>>>
CB State CB OPEN CB CLOSED CB OPEN
Output t
CLP>>>
t
0.1 s
HIGH THRESHOLD/
BLOCK
LOW THRESHOLD/
UNBLOCK
HIGH THRESHOLD/
BLOCK
A = ON - Change setting
B = OFF
C = ON - Element blocking
I>>>TR-K
I>>>TR-L
I>>>ST-L
I>>>ST-K
Phase overcurrent (50/51) - third element logic diagram (I>>>)