6 - ATR227 - User manual
3.2 Hardware Features
Power supply
24..230 Vac/Vdc ±15%
50/60 Hz
Consumption: 5.5 VA.
Analogue input
1: AN1 Congurable via sof-
tware. Input: Thermocou-
ple type K, S, R, J, T, E, N, B.
Automatic compensation of
cold junction from 0..50°C.
Thermoresistance: PT100,
PT500, PT1000, Ni100,
PTC1K, NTC10K (β 3435K).
Input V/I: 0-10 V, 0-20 or
4-20 mA, 0-60 mV.
Pot. input: 6 k, 150 k.
Tolerance (25 °C)
+/-0.3% ±1 digit (su F.s.) for ther-
mocouple, thermoresistance and
V / mA.
Cold junction accuracy 0.1 °C/°C.
Impedence:
0-10 V: Ri>110 k
0-20 mA: Ri<50
4-20 mA: Ri<50
0-60 mV: Ri>500 k
Relay outputs
2 relays (only on ATR227-
12ABC).
Congurable as command
and/or alarm output..
Contacts
2 A - 250 V~.
Resistive load.
SSR output
3 SSR (ATR227-10ABC).
1 SSR (ATR227-12ABC).
Congurable as command
output and/or alarm
output.
12V/30mA.
3.3 Software Features
Regulation
algorithms
ON-OFF with hysteresis.
P, P.I., PID, P.D. with proportional time.
Proportional band 0..9999 °C o °F
Integral time 0,0..999,9 sec. (0
excluded)
Derivative time 0,0..999,9 sec. (0
excluded)
Controller functions
Manual or automatic Tuning, selectable alarm, protection of
command and alarm setpoints, activation of functions via
digital input.