FUNCTION CHARACTERISTICS
61
NVA100X-D - Manual - 02 - 2016
Open CB
Close CB
The external acquisition of remote commands allows to drive CB remotely.
Preset DTheta
The input activation presets the thermal image (49).
The preset value can be adjusted by means the Dθ
IN
setting. The thermal image is initialized at the
Dθ
IN
value when the device is powered or when the binary input become active.
Remote trip
The input activation drives an expressly programmed output relay.
CB-pos.ai
CB position
CB diagnostic
Breaker failure (BF)
74VT
52a
52
52b
+UAUX
-UAUX
IN-
IN+
52a
IN-
IN+
52b
Binary input INx
T0
INx
t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
INx
t
OFF
Binary input INx
T0
INx
t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
INx
t
OFF
Binary input allocation for CB state acquisition
CB-pos.ai
CB position
CB diagnostic
Breaker failure (BF)
74VT
52a
52
52b
+UAUX
-UAUX
IN-
IN+
52a
IN-
IN+
52b
Binary input INx
T0
INx
t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
INx
t
OFF
Binary input INx
T0
INx
t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
INx
t
OFF
Binary input allocation for CB state acquisition
CB-com.ai
OPEN
Command
CLOSE
Command
UAUX
+UAUX
UAUX
INx
INx
Binary input INx
T0
INx
t
ON
T0
n.o.
n.c.
INx tON
Logic
Open CB
Close CB
INx tOF F
INx
t
OFF
Binary input INx
T0
IN2
t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
IN2
t
OFF
Binary input allocation for CB remote command
TRIPPING MATRIX
(LED+RELAYS)
-UAUX
-UAUX
52a
52
O
I
52b
CB-com.ai
OPEN
Command
CLOSE
Command
UAUX
+UAUX
UAUX
INx
INx
Binary input INx
T0
INx
t
ON
T0
n.o.
n.c.
INx tON
Logic
Open CB
Close CB
INx tOF F
INx
t
OFF
Binary input INx
T0
IN2
t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
IN2
t
OFF
Binary input allocation for CB remote command
TRIPPING MATRIX
(LED+RELAYS)
-UAUX
-UAUX
52a
52
O
I
52b
inhit-theta.ai
t = T+·ln{[(I
th
/I
B
)
2
-Dθ
P
/Dθ
B
]/[(I
th
/I
B
)
2
-1.2]Dθ
P
= Dθ
IN
Binary input allocation for thernal image preset (49)
UAUX
UAUX
INx
PresetDTheta
PresetDTheta
Binary input INx
T0
Logic
INx
t
ON
IN1
t
ON
INx
t
OFF
0
n.o.
n.c.
IN1
t
OFF
inhit-theta.ai
t = T+·ln{[(I
th
/I
B
)
2
-Dθ
P
/Dθ
B
]/[(I
th
/I
B
)
2
-1.2]Dθ
P
= Dθ
IN
Binary input allocation for thernal image preset (49)
UAUX
UAUX
INx
PresetDTheta
PresetDTheta
Binary input INx
T0
Logic
INx
t
ON
IN1
t
ON
INx
t
OFF
0
n.o.
n.c.
IN1
t
OFF
Remote-trip.ai
Remote trip
+UAUX
-UAUX
Remote trip
Binary input INx
T0
INx
t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
INx
t
OFF
TRIPPING MATRIX
(LED+RELAYS)
Assegnazione ingresso logico alla acquisizione del segnale d’ingresso di telescatto
Remote-trip.ai
Remote trip
+UAUX
-UAUX
Remote trip
Binary input INx
T0
INx
t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
INx
t
OFF
TRIPPING MATRIX
(LED+RELAYS)
Assegnazione ingresso logico alla acquisizione del segnale d’ingresso di telescatto
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