6
NT539
TECHNICAL SPECIFICATIONS
NT539
TESTS AND PERFORMANCE
Housing PPO UL 94 _V0
●
Absorption 6VA
●
Digital linearity of sensor signal
●
Self-diagnostic circuit
●
Protection treatment of the electronic part
Option
DISPLAY AND DATA MANAGEMENT
2x13mm displays with 3 digits to display temperatures, messages and channels
●
4 LED’s to show the display mode (SCAN, AUTO, MAN, TMAX)
●
4 LED’s to show the state of the alarms relevant to displayed channel (FAULT, FAN, ALARM, TRIP)
●
3 LED’s to show the transformer (TR1-TR2-TR3)
●
Temperature control from 0°C
to 200°C
●
2 alarm thresholds (ALARM – TRIP) for each transformer
●
1 fan threshold (ON– OFF) for each transformer
●
Sensor diagnostics (Fcc-Foc-Fcd)
●
Data memory diagnostics (Ech)
●
Access to programming through front keyboard
●
Automatic exit from relay programming, display and test after 1 minute's inactivity
●
Incorrect programming warning
●
Selection between channel automatic scanning, hottest channel or manual scanning
●
Storage of maximum temperatures reached by channels and alarm status
●
Front key to reset the alarms
●
