8 - ATR902 - User manual
3.2 Hardware features
Sensor input
AI1
- Configurable for
Thermocouple
K,S,R,J,T,E,N.
Cold junction automatic
compensation 0 ... 50°C.
Accuracy (25°C)
+/-0.2 % ± 1 digit (full
scale).
Cold junction accuracy
0.1°C/°C
Relay outputs
2 Relays configurable as
control output and alarm
relay (safety or auxiliary)
Contacts: 1A-250V~ for
resistive charges
3.3 Software features
Regulation
Algorythm
ON-OFF with hysteresis.
P, PI, PID, PD proportional time.
Proportional band
0...9999°C or °F
Integral time
0,0...999,9 sec (0 excludes integral function)
Derivative time
0,0...999,9 sec (0 excludes derivative function)
Controller functions Manual or automatic tuning, selectable alarms,
Interruped cycle recovery, Waiting, Delayed start
Programmable
cycles
15 (max 18 steps each) + function
“simple controller”
with
programmable setpoint
4
Size and Installation
Optional
: support for panel-mounting Cod. 1300.20.043
Summary of Contents for ATR 902
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