Beckhoff Automation GmbH & Co. KG EL3255
EL3255 EtherCAT Terminal, 5-channel analog input, potentiometer, 300 Ωâ¦50 kΩ, 16 bit
Категории:
Технические характеристики
| Number of inputs | 5 |
|---|---|
| Ground reference (input) | single-ended |
| Power supply | via power contacts |
| Distributed clocks | yes |
| Напряжение питания | typ. 10 V ±10% |
| Internal resistance | >> 100 kΩ to wiper connection |
| Input filter cut-off frequency | typ. -3 dB at 3 kHz and potentiometer 50 kΩ |
| Sensor type | potentiometer 300 Ωâ¦50 kΩ |
| Output current | max. 0.3 A total supply current for the potentiometers |
| Wire break detection | yes |
| Conversion time | typ. 300â¦700 µs, dependent on settings, default setting: approx. 500 µs (5 channels, filter deactivated) |
| Measuring range | potentiometer 300 Ωâ¦50 kΩ |
| Resolution | 16 bit (incl. sign) |
| Measurement error/uncertainty | < ±0.5% (relative to full scale value) |
| Electrical isolation | 500 V (E-bus/field potential) |
| Current consumption E-bus | typ. 80 mA |
| Current consumption power contacts | dependent on the potentiometers, max. 70 mA |
| Bit width in the process image | 5 x 16 bit input |
| Configuration | no address setting, configuration via the controller |
| Special features | open-circuit recognition, supply monitoring, activatable filters, simultaneous measurement of the channels |
| Масса | approx. 70 g |
| Operating temperature | -25â¦+60°C |
| Storage temperature | -40â¦+85°C |
| Relative humidity | 95%, no condensation |
| 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 |
| Protect. rating/installation pos. | IP20/variable |
| Approvals/markings | CE, CCC, UL, ATEX, IECEx, cFMus |
| Ex marking | ATEX: II 3G Ex ec IIC T4 Gc IECEx: Ex ec IIC T4 Gc cFMus: Class I, Division 2, Groups A, B, C, D Class I, Zone 2, AEx ec IIC T4 Gc |
| Description | The EL3255 EtherCAT Terminal enables potentiometers to be connected directly. A stabilized power supply in the terminal and the ratiometric measurement of the input voltage offer the preconditions for precise measurement. On account of its high sampling |