Thytronic NA20, Руководство пользователя, Страница: 37 / 208

FUNCTION CHARACTERISTICS
37 NA20 - 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 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.
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 tON Logic
Open CB
Close CB
INx tOF F
INx t
OFF
Binary input INx
T 0
IN2 t
ON
T 0
n.o.
n.c.
INx tON Logic
INx tOF F
IN2 t
OFF
Binary input allocation for CB remote command
TR
IP
PIN
G
M
AT
RIX
(
LE
D+R
EL
AY
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
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 tON Logic INx tOF F
INx t
OFF
TR
IP
PIN
G
M
AT
RIX
(
LE
D+R
EL
AY
S)
Binary input allocation for remote trip