Beckhoff Automation GmbH & Co. KG EL3443
EL3443 EtherCAT Terminal, 3-channel analog input, power measurement, 480 V AC/DC, 1 A, 24 bit
Категории:
Технические характеристики
| Number of inputs | 3 x current, 3 x voltage |
|---|---|
| Oversampling factor | â |
| Distributed clocks | optional |
| Update interval | one mains period (20Â ms at 50Â Hz) |
| Measured values | current, voltage, effective, reactive and apparent power, active, reactive and apparent energy, cos Ï, frequency, THD, harmonic (up to 40 th harmonic) |
| Напряжение питания | max. 480 V AC 3~ (UL X -N: max. 277 V AC/240 V DC) |
| Measuring current | max. 1 A (AC/DC), via measuring transformers x A/1 A |
| Measurement error/uncertainty | 0.3% relative to full scale value (U/I), 0.6% calculated value (see documentation) |
| Update time | net-synchronous |
| Monitoring function | phase order, phase failure, phase asymmetry, undervoltage/overvoltage (adjustable) |
| Electrical isolation | 2500 V |
| Current consumption E-bus | typ. 120 mA |
| Current consumption power contacts | â |
| Special features | mains monitoring, precise detection of zero voltage crossing, optional single-phase operation |
| Масса | approx. 75 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 |
| Approvals/markings | CE, UL |
| Description | The EL3443 EtherCAT Terminal enables the measurement of all relevant electrical data of the supply network and carries out simple pre-evaluation. The voltage is measured via direct connection of L1, L2, L3 and N. The current of the three phases L1, L2 |