3
NT579-NT579 RS485
TECSYSTEM SHANGHAI
TESTS AND PERFORMANCES
Assembly in accordance with CE
rules
Protection against electrical noises
CEI-EN-61000-4-4
Dielectric strength 2500 V
alternating current for 1 minute from
power supply + fan output and
PT100 input + modbus output,
power supply + fan output and re-
lays, PT100 input + modbus output
and relays
·
Accuracy ± 1% full scale value, ± 1
digit @25°C
Ambient working temperature from -
20°C to +60°C
Humidity 90% no-condensing
Digital linearity of sensor signal
Sensor self-diagnosis
Program and reading resolution 1
digit
Frontal in polycarbonate IP54
Max. absorption 5VA
Data storage 10 years minimum
Option:
protection treatment of
electronic part
·
(*) Vibration test IEC 68-2-6
Amplitude ± 1 mm from 2Hz to
13.2Hz Acceleration ± 0.7G from
13.2Hz to 100Hz.
(*) Seismic test according to
IEEE 344-1.987
*Cross reference T154 for construc-
tive analogy.
DISPLAY AND DATA MANAGEMENT
Temperature display ( ° C
TEMPERATURE)
Selected channel and programming
parameter display (CHANNEL/
MESSAGES)
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)
1 LED for RS485 communication (only
for digitasl version)
·
Temperature monitoring from 0°C to
200°C
2 alarm thresholds (alarm/trip)
2 ON-OFF thresholds for fan control
(fan)
Sensor diagnostic (Fcc-Foc-Fcd)
Data storage diagnostic (Ech)
Programming access through the front
key
Wrong programming automatic display
Maximum reached temperatures,
alarm storage and sensor fault.
Frontal alarm reset push button
DIMENSIONS
162 x 82 mm depth 130 mm
(terminal boxes included)
Panel cut-out 152x76 mm
