ATR401 - User manual 7
2.2 Hardware data
Analogue
input
AI1 – AI2: Con gurable
via software.
Thermocouples: type
K, S, R, J. Automatic
compensation of cold
junction from 0 … 50°C.
Thermoresistances:
PT100, PT500, PT1000,
Ni100, PTC1K, NTC10K (β
3435K)
Input V/mA: 0-10 V, 0-20
o 4-20 mA, 0-40 mV.
Input Potentiometer:
6 KΩ, 150 KΩ.
ONLY AI2
input T.A.: 50 mA.
Tolerance (25 °C)
+/-0.2% ±1 digit (full
scale) for thermocouple,
thermoresistance and
V / mA. Cold junction
accuracy 0.1 °C/°C.
Impedance:
0-10 V: Ri>110 KΩ
0-20 mA: Ri<5 Ω
4-20 mA: Ri<5 Ω
0-40 mV: Ri>1 MΩ
Relay
outputs
Con gurable as control
and alarm output.
Contacts: 8 A - 250 V~ for
resistive charges.
SSR output
Con gurable as control
and alarm output.
24 V/25 mA.
Analogue
output
Con gurable as
control output, alarm,
retransmission of process
or setpoint.
Con gurable:
0-10 V 9500 points +/-0.2%
(full scale)
0-20 mA 7500 points
+/-0.2% (full scale)
4-20 mA 6000 points
+/-0.2% (full scale)
Power supply
Extended range 24…230
Vac/Vdc ±15% 50/60 Hz.
Consumption: 5.5 VA.
2.3 Software data
Regulation
algorithms
ON - OFF with hysteresis.
P, P.I., P.I.D., P.D. proportional time.
Proportional
band
0...9999 °C o °F
Integral time 0,0...999,9 sec. (0 excludes integral function)
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