Thytronic NA30 User Manual

FUNCTION CHARACTERISTICS
39
NA30 - Manual - 04 - 2022
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 demand measures
The input activation make a reset of all demand measures.
74TV ext
The external acquisition of 74TV allows to block or to change the operating mode of protective el-
ements where the residual voltage is employed; the information is available for residual voltage
protective elements (59N and 67N protections) that may operate inadvertently when an event cause
a loss of one or more voltages.
CB-com.ai
OPEN
Command
CLOSE
Command
+UAUX
+UAUX
-UAUX
IN-
IN+
IN-
IN+
Binary input INx (x=1,... 5)
T 0
IN1 t
ON
T0
n.o.
n.c.
IN1 tON
Logic
Open CB
Close CB
IN1 tOFF
IN1 t
OFF
Binary input INx (x=1,... 5)
T 0
IN2 t
ON
T0
n.o.
n.c.
IN2 tON
Logic
IN2 tOFF
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 allocationfor thernal image preset (49)
+UAUX
-UAUX
IN+
IN-
PresetDTheta
PresetDTheta
Binary input IN1, IN2
T 0
Logic
IN1 t
ON
IN1 t
ON
IN1 t
OFF
0
n.o.
n.c.
IN1 t
OFF
Remote-trip.ai
Remote trip
+UAUX
-UAUX
Remote trip
Binary input IN1, IN2
T 0
IN1 t
ON
T0
n.o.
n.c.
IN1 tON
Logic
IN1 tOFF
IN1 t
OFF
TRIPPING MATRIX (LED+RELAYS)
Binary input allocation for remote trip

Thytronic NA30 Specifications

General

Brand	Thytronic
Model	NA30
Category	Relays
Language	English