8
ATR 421 - User manual
2.2
Hardware features
Analogue inputs
AI1
- Confi gurable via
software
Thermocouples
:
type K,S,R,J,E,N. Automa-
tic compensation of cold
junction from 0…50 °C.
Thermoresistances
: PT100,
Input V/mA
: 0-10V,
0-20mA, 4-20mA.
AI2
Feedback potentio-
meter input for motorized
valves (max. 150 KΩ).
Tolerance (25°C)
+/-0.2 % ± 1 digit for thermo-
couple,
thermoresistance
and V/mA.
Cold junction accuracy
0.1°C/°C
Impedance
:
0-10V
: Ri>110KΩ
0-20mA
: Ri<5Ω
4-20mA
: Ri<5Ω
Relay outputs
Confi gurable as control and
alarm output.
Contacts:
8A-250V~ for resistive
charges.
24V
SSR and sensor supply
• 24Vdc-45mA
to
115...230Vac
• 24Vdc-25mA to 24Vac/dc
Output SSR
Confi gurable as control and
alarm output.
24Vdc
Output V/I
Confi gurable as control ou-
tput, alarm, retransmission
of process or setpoint.
Confi gurable:
0-10V (9500 points)
0-20mA (7500 points)
4-20mA (6000 points)
Supply
Extended range
24…230Vac/Vdc ±15%
50/60Hz
Consumption: 5.5VA
2.3
Software features
Control algori-
thms
ON-OFF with hysteresis.
P, PI, PID, PD time proportioned.
Proportional
band
0...9999°C o °F
Integral time
0,0...999,9 sec (0 excludes)
Derivative time
0,0...999,9 sec (0 excludes)
Controller fun-
ctions
Manual or automatic tuning, selectable alarms, special
functions for gas/electric kilns.
Содержание ATR 421
Страница 1: ...ATR 421 Controller Regolatore User manual Manuale d uso...
Страница 2: ......
Страница 106: ...106 ATR 421 Manuale uso...
Страница 107: ......