39
NC20 - Manual - 01 - 2015
FUNCTION CHARACTERISTICS
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 D
θ
IN
setting. The thermal image is initialized at the
D
θ
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.
Reset on demand measures
The input activation make a reset of all demand measures.
Reset discharge timer tD
A change in status of a binary input effects a reset for discharge timer.
CB-com.ai
OPEN
Command
CLOSE
Command
U
AUX
+
U
AUX
U
AUX
INx
INx
Binary input INx
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
Open CB
Close CB
INx t O F F
INx
t
OFF
Binary input INx
T
0
IN2
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
IN2
t
OFF
Binary input allocation for CB remote command
TRIP
P
ING
M
A
TRIX
(LED
+R
EL
A
Y
S
)
-
U
AUX
-
U
AUX
52a
52
O
I
52b
CB-com.ai
OPEN
Command
CLOSE
Command
U
AUX
+
U
AUX
U
AUX
INx
INx
Binary input INx
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
Open CB
Close CB
INx t O F F
INx
t
OFF
Binary input INx
T
0
IN2
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
IN2
t
OFF
Binary input allocation for CB remote command
TRIP
P
ING
M
A
TRIX
(LED
+R
EL
A
Y
S
)
-
U
AUX
-
U
AUX
52a
52
O
I
52b
inhit-theta.ai
t = T+·ln{[(I
th
/I
B
)
2
-D
θ
P
/D
θ
B
]/[(I
th
/I
B
)
2
-1.2]
D
θ
P
= D
θ
IN
Binary input allocation for thernal image preset (49)
U
AUX
U
AUX
INx
PresetDTheta
PresetDTheta
Binary input INx
T
0
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
-D
θ
P
/D
θ
B
]/[(I
th
/I
B
)
2
-1.2]
D
θ
P
= D
θ
IN
Binary input allocation for thernal image preset (49)
U
AUX
U
AUX
INx
PresetDTheta
PresetDTheta
Binary input INx
T
0
Logic
INx
t
ON
IN1
t
ON
INx
t
OFF
0
n.o.
n.c.
IN1
t
OFF
Remote-trip.ai
Remote trip
U
AUX
U
AUX
Remote trip
Binary input INx
INx
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
INx
t
OFF
TRIP
P
ING
M
A
TRIX
(LED
+R
EL
A
Y
S
)
Binary input allocation for remote trip
Remote-trip.ai
Remote trip
U
AUX
U
AUX
Remote trip
Binary input INx
INx
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
INx
t
OFF
TRIP
P
ING
M
A
TRIX
(LED
+R
EL
A
Y
S
)
Binary input allocation for remote trip
Reset-TD.ai
Reset discharge timer
Binary input INx
Reset discharge timer tD
TD LED
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
INx
t
OFF
Reset tD
+
U
AUX
-
U
AUX
Reset tD
RESET
t
D
0
T
t
D
Reset-TD.ai
Reset discharge timer
Binary input INx
Reset discharge timer tD
TD LED
T
0
INx
t
ON
T
0
n.o.
n.c.
INx t O N
Logic
INx t O F F
INx
t
OFF
Reset tD
+
U
AUX
-
U
AUX
Reset tD
RESET
t
D
0
T
t
D