FUNCTION CHARACTERISTICS
30
NA10 - Manual - 04 - 2022
Use of measured values
f
i
L1,
i
L2
, i
L3
I
L1,
I
L2
, I
L3
I
L1-2nd,
I
L2-2nd,
I
L3-2nd
i
E
I
E
Temperature (PT1....PT8)
Binary inputs IN1, IN2
Start (START) Relays K1...K6
Trip (TRIP) Relè K1...K6
Start (START) LEDs L1...L5
Trip (TRIP) LEDs L1...L5
Selective block input BLIN1
Selective block output BLOUT1
Cold Load Pickup (CLP)
Second harmonic restraint
Logic block - BLOCK1
Selective block - BLOCK2
PROTECTION
Thermal with Pt100 probes (26)
Phase overcurrent (50/51)
Residual overcurrent (50N/51N)
Breaker failure (BF)
CONTROL and MONITORING
CT Monitoring (74CT)
Trip Circuit Supervision (TCS)
Second harmonic restraint (2NDH-REST)
Logic block (BLOCK1)
Selective block (BLOCK2)
Diagnostic
Element states
Binary input states
Selective block state (Block2)
Output relay states
MEASURES
Frequency
Phase currents
Residual current
Temperature (Pt100 on MPT module)
EVENT RECORDER
Event 0
Event 1
Event ...
Event 299
FAULT RECORDER
Fault 0
Fault 1
Fault ...
Fault 19
OSCILLOGRAPHY
Record 1
Record 2
Record ...
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