TECSYSTEM NT579 Instruction Manual page 3

TECSYSTEM SHANGHAI
TESTS AND PERFORMANCES
 Assembly in accordance with CE
rules
 Protection against electrical noises
CEI-EN-61000-4-4

Dielectric strength
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.
DIMENSIONS
162 x 82 mm depth 130 mm

(terminal boxes included)
Panel cut-out 152x76 mm

DISPLAY AND DATA MANAGEMENT

Temperature
TEMPERATURE)
 Selected channel and programming
parameter
MESSAGES)
2500 V
 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
alarm storage and sensor fault.
 Frontal alarm reset push button
NT579-NT579 RS485
display
display (CHANNEL/
reached temperatures,
( ° C
3