TECSYSTEM NT935 - 3 Technical Specifications

6
NT935
ASERIES
TECHNICAL SPECIFICATIONS
NT935 BASIC NT935 AD
POWER SUPPLY
Supply rated values
24-240 Vac-Vdc
50/60HZ
24-240 Vac-Vdc
50/60HZ
Maximum and minimum supply values
20-270 Vac-Vdc
50/60HZ
20-270 Vac-Vdc
50/60HZ
Vdc with reversible polarities ● ●
INPUTS
4 inputs for RTD sensors, Pt100 type with 3 wires (max section 1.5mm²) ● ●
Connections on removable terminal strips ● ●
Input channels protected
against
electromagnetic
interference ● ●
Cable compensation for thermistors 500 m (1 mm²) 500 m (1 mm²)
OUTPUTS
2 alarm
relays
(ALARM AND TRIP) SPDT ● ●
1 sensor or operating failure (FAULT) relay SPST ● ●
Output relays with 10A-250Vac-res COSФ=1 contacts. ● ●
2 ventilation management relays SPST FAN 1 AND FAN 2 ● ●
Modbus RTU RS485 output NO ●
Optically
isolated 4.20 mA output NO ●
DIMENSIONS
100x100 mm– din43700-depth 131mm (terminal block included) Hole 92 x 92 mm Hole 92 x 92 mm
TESTS AND PERFORMANCE
Construction in compliance with CE regulations ● ●
Protection from electrical interference EN 61000-4-4
● ●
Dielectric strength 1500 Vac for a min. between output relays and
sensors, relays and power supply, power supply and sensors
● ●
Accuracy ±1% vfs, ±1 digit ● ●
Ambient
operating
temperature from –20°C to +60°C ● ●
Humidity
90% non-
condensing
● ●
Front polycarbonate IP65
● ●