6 - ATR227 - User manual
3.2 Hardware Features
Power supply
24..230 Vac/Vdc ±15%
50/60 Hz
Consumption: 5.5 VA.
Analogue input
AN1. Congurable via
software.
Thermocouple
type
: K, S, R, J. Automatic
compensation of cold jun-
ction from 0°C to 50°C.
Thermoresistance: PT100,
PT500, PT1000, Ni100,
PTC1K, NTC10K (β 3435K).
Tolerance (25 °C)
+/-0.3% ±1 digit (su F.s.)
Cold junction accuracy 0.1 °C/°C.
Relay outputs
2 relays congurable as
command and/or alarm
output.
Contacts
2 A - 250 V~.
Resistive loads.
SSR output
1 SSR (ATR226-12ABC).
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. (
excluded)
Derivative time 0,0..999,9 sec. (
excluded)
Controller functions
Manual or automatic Tuning, protection of command and alarm
setpoints, activation of functions via digital input.