Technical data
| Technical data | EL3255 | 
|---|---|
| Number of inputs | 5 | 
| Power supply | via power contacts | 
| Technology | Ratiometric potentiometer evaluation with own supply, 3-wire connection | 
| Distributed Clocks | yes | 
| Feed voltage potentiometer | typ. 10 V ±10% | 
| Internal resistance | >> 100 kΩ to wiper connection | 
| Sensor types | Potentiometer 300 Ω…50 kΩ | 
| Output current | max. 0.3 A total supply current for the potentiometer | 
| Input filter limit frequency | typ. - 3 dB at 3 kHz and potentiometer 50 kOhm | 
| Wiring fail indication | yes | 
| Conversion time | typ. 300..700 µs, depending on settings Default: approx. 500 µs (5 channels, filter deactivated) | 
| Resolution | 16 bits (including sign) | 
| Sampling type | simultaneous | 
| Ground reference | single-ended | 
| Measuring error | < ±0.5 % (relative to full scale value) | 
| Voltage supply for electronic | via the E-bus | 
| Special features | open-circuit recognition, supply monitoring, activatable filters, simultaneous measurement of channels | 
| Electrical isolation | 500 V (E-bus/field voltage) | 
| Current consumption of power contacts (supply contacts) | depends on potentiometers, max. 70 mA | 
| Current consumption via E-bus | typ. 80 mA | 
| Bit width in the process data image | 5 x 16 bit input | 
| Configuration | no address setting, configuration via the controller | 
| Conductor connection | solid wire conductors: direct plug-in technique; | 
| Rated cross-section | solid wire: 0.08…1.5 mm²; stranded wire: 0.25...1.5 mm²; ferrule: 0.14…0.75 mm² | 
| Max. Sensor cable length | The cable length from the EtherCAT Terminal to the sensor/encoder must not exceed 30 m without further protective measures. Suitable surge protection must be provided for longer cable lengths | 
| Weight | approx. 70 g | 
| Permissible ambient temperature range during operation | -25°C ... +60°C (extended temperature range) | 
| Permissible ambient temperature range during storage | -40°C ... +85°C | 
| Permissible relative humidity | 95%, no condensation | 
| Dimensions (W x H x D) | approx. 15 mm x 100 mm x 70 mm | 
| on 35 mm mounting rail conforms to EN 60715 | |
| Vibration/shock resistance | conforms to EN 60068-2-6 / EN 60068-2-27, | 
| EMC immunity/emission | conforms to EN 61000-6-2 / EN 61000-6-4 | 
| Protection class | IP20 | 
| Installation position | variable | 
| Marking / Approval*) | 
*) Real applicable approvals/markings see type plate on the side (product marking).
Ex markings
| Standard | Marking | 
|---|---|
| ATEX | II 3 G Ex nA IIC T4 Gc | 
| IECEx | Ex nA IIC T4 Gc |