Thytronic NC020 - Binary Inputs

FUNCTION CHARACTERISTICS
27
NC020 - Manual - 05 - 2022
— Binary inputs
Three binary inputs are available.
The dry inputs must be powered with an external voltage, (usually the auxiliary power supply).
Every input is customized for a defined function.
FUNCTION
Binary input
IN1 IN2 IN3
52a (auxiliary CB contact)

52b (auxiliary CB contact)

Remote Reset

52a and 52b
The CB position can be acquired by means of binary inputs connected to the auxiliary contacts: the
information is used to acquire the CB position (open-closed-fault).
Remote Reset
The input activation drives an expressly programmed output relay.
CB position
CB diagnostic
52a
52
52b
+UAUX
-UAUX
IN2
IN1
Binary input allocation for CB state acquisition
Remote-reset.ai
Remote reset
UAUX
UAUX
Binary input IN3
IN3
T 0
IN3 t
ON
T0
n.o.
n.c.
IN3 tON
Logic
IN3 tOFF
IN3 t
OFF
TRIPPING MATRIX (LED+RELAYS)
Binary input allocation for remote reset