
6 -
ATR243 - User manual
3.2 Hardware data
Power supply
Extended range 24..230 Vac/Vdc
±15% 50/60 Hz
Consumption: 5.5 VA.
Analogue
imput
1
: AN1 configurable via software.
Input
: Thermocouple type K, S, R,
J. Automatic compensation of cold
junction from 0°C to 50°C.
Thermoresistance
:
PT100, PT500, PT1000, Ni100,
PTC1K, NTC10K (β 3435K). Linear:
0-10 V, 0-20 or 4-20 mA, 0-40 mV.
Current transformer
: 50 mA, 1024
points on version ATR243-21/31.
Potentiometers
: 6 KΩ, 150 KΩ.
Tolerance (25 °C) +/-0.2% ±1 digit
for thermocouple input, thermo
resistance 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
output
2 Relays (ATR243-20..21...).
3 Relays (ATR243-31..).
Configurable as command and / or
alarm output.
Contacts
5 A - 250 V~.
Resistive load.
SSR/V/mA
output
1
SSR Linear 0/4…20mA or
0..10 Volt.
Deselecting OUT2 relay on
ATR243-20...
Configurable as command output
or retransmission of setpoint or
process.
12V / 30mA (min. 10.5 V DC).
Configurable:
0-10 V
with 9500 /-0.2%
(F.s.)
0-20 mA
with 7500 /-0.2%
(F.s.)
4-20 mA
with 6000 /-0.2%
(F.s.)
3.3 Software data
Regulation
algorithms
ON - OFF with hysteresis.
P, P.I., P.I.D., P.D. with 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, configurable alarms, protection of
command and alarm setpoints, activation of functions via digital
input, preset cycle with Start / Stop.