ETC4420 е програмируем цифров термостат с входове за термодвойки(J,K,T,S,R) или pt100. 2x4 цифров дисплей за моментната и настроената стойност с обхват до 1600С с хистерезис 1...50С.Един SSR и 2 релейни изхода за On/Off, P, PI, PD, PID функции.С помощта на Self Tune автоматична настройка на най -добрите PID параметри.Има възможност за добавяне на RS 485 модул, който служи за комуникация чрез Modbus RTU протокол.Защен параметър за оторизиран достъп до настройките Display & Keyboard | Process Value Display (PV) | 4digits, 7.1 mm, 7 segment red LED |
| Set value display (SV) | 4 digits, 7.1mm, 7 segment yellow LED |
| Control LED | 1 output red LED |
| Alarm 1 LED | 1 output red LED |
| Mounting method | Suitable for flush-panel mounting |
| Weight | Approx. 250 gram (after packing) |
| Electrical Characteristics |
| Supply |  230Vac+10%-20%, 50/60Hz
24Vac±10%, 50/60Hz
9-30Vdc / 7-24Vac ±10%
SMPS module |
| Connection | 2.5mm2 Socket Klemens |
| Entry | Selectable multiple input |
| Scale | For Fe-Const (J) thermocouple
0...600 °C
For NiCr-Ni (K) thermocouple
0...1200 °C
For Cu-Const (T) thermocouple
0...400 °C
For Pt10Rh-Pt(S) thermocouple
0...1600 °C
For Pt13Rh-Pt (R) thermocouple
0...1600 °C
For Pt-100 resistance thermometer -200...600°C
For Pt-100 resistance thermometer
-99.9...300.0 °C |
| Accuracy | ±%0.2 (full scale) ±1 digits |
| Operation Temperature °C | 0...50 °C |
| Data Retention | EEPROM (minimum 10 years) |
| Control Output | 12Vdc 20mA logic output |
| Control/Alarm2 Output | 1 Relay: 250Vac, 2A (resistive load), NO +NC |
| Alarm 1 Output | 1 Relay: 250Vac, 2A (resistive load), NO/NC (selectable) |
| Control Algorithm | On-Off, P, PI, PD, PID |
| Proportional Band | Adjustable between 0% and 100% |
| Integral Time | Adjustable between 0.0 and 100.0 min. |
| Derivative Time | Adjustable between 0.00 and 100.0 min |
| Control Period | Adjustable between 1 and 250s |
| Hysteresis | Adjustable between 1 and 50 °C/°F |
| Output Power | The ratio of power at a set point can be adjusted between 0% and 100% |
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