| Technical data | EL3204, ES3204 |
|---|---|
| Number of inputs | 4 |
| Power supply | via the E-bus |
| Technology | 2-wire |
| Distributed clocks | – |
| Input filter limit frequency | typ. 1 kHz |
| Sensor types | Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni1000, resistance measurement (e.g. potentiometer, 10 Ω…1/4 kΩ), KTY sensors (types see documentation) |
| Connection method | 2-wire |
| Resolution | 0.1 °C per digit |
| Conversion time | approx. 85 ms default setting, 2…800 ms configurable |
| Temperature range | -200…+850 °C (Pt sensors); -60…+250 °C (Ni sensors) |
| Measuring current | < 0.5 mA (load-dependent) |
| Measurement error/ uncertainty | < ±0.5 °C for Pt sensors |
| Electrical isolation | 500 V (E-bus/signal voltage) |
| Current consumption power contacts | – |
| Current consumption E-bus | typ. 190 mA |
| Bit width in the process image | 4 x 32 bit RTD input |
| Special features | integrated digital filter, limit value monitoring |
| Weight | approx. 60 g |
| Operating/storage temperature | -25…+60 °C/-40…+85 °C |
| Relative humidity | 95 %, no condensation |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| Protect. rating/installation pos. | IP20/variable |
| Pluggable wiring | for all ESxxxx terminals |
| Approvals/markings | CE, UL, ATEX, IECEx, cFMus |
| Ex marking | ATEX: II 3 G Ex nA IIC T4 Gc cFMus: Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec IIC T4 Gc |