Beckhoff Automation GmbH & Co. KG EL3008-0003
EL3008-0003 EtherCAT Terminal, 8-channel analog input, voltage, ±3 V, 16 bit, cascaded
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Технические характеристики
| Number of inputs | 8 |
|---|---|
| Function | voltage measurement |
| Wiring | 2-wire |
| Ground reference (input) | cascaded channels |
| Max. sampling rate | min. 2 ms (max. 500 sps) per channel |
| Sampling type | multiplex |
| Internal resistance | > 8 MΩ |
| Input filter cut-off frequency | 1.5 kHz |
| Rise time | typ. 2 ms |
| Dielectric strength | ±13 V per channel to A GND |
| Measuring range, nominal | -3â¦+3 V |
| Measuring range, technical | -3.22â¦+3.22 V |
| Resolution | 16 bit (incl. sign) |
| Measurement error/uncertainty | < ±0,1 % (at 25 °C ±5 °C), < ±0,2 % (at 0â¦55 °C), otherwise < ±0,35 % |
| Напряжение питания | 300 V CAT II, 1500 V CAT II with touch protection cover; to EN61010-2-030 |
| Electrical isolation | Channel/channel | â |
| Electrical isolation | Channel/SGND | reinforced insulation, test voltage 6 kV DC, production test |
| Electrical isolation | Channel/bus | reinforced insulation, test voltage 6 kV DC, production test |
| Description | The EL3008-0003 is designed for measuring stacked voltages up to 1500 V CAT II, such as those found in accumulators and fuel cells. The negative pole of one cell is also the positive pole of the next. In combination with the high galvanic isolation to |