Thytronic NC20 User Manual

39
NC2 0 - 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 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.
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
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
INx
T0
INx t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
INx t
OFF
TRIPPING MATRIX (LED+RELAYS)
Binary input allocation for remote trip
Remote-trip.ai
Remote trip
UAUX
UAUX
Remote trip
Binary input INx
INx
T0
INx t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
INx t
OFF
TRIPPING MATRIX (LED+RELAYS)
Binary input allocation for remote trip
Reset-TD.ai
Reset discharge timer
Binary input INx
Reset discharge timer tD
TD Relays+LED
T0
INx t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
INx t
OFF
Reset tD
+UAUX
-UAUX
Reset tD
RESET
t
D
0T
t
D
Reset-TD.ai
Reset discharge timer
Binary input INx
Reset discharge timer tD
TD Relays+LED
T0
INx t
ON
T0
n.o.
n.c.
INx tON
Logic
INx tOF F
INx t
OFF
Reset tD
+UAUX
-UAUX
Reset tD
RESET
t
D
0T
t
D

Thytronic NC20 Specifications

General

Brand	Thytronic
Model	NC20
Category	Power distribution unit
Language	English