Beckhoff Automation GmbH & Co. KG EL3742
EL3742 EtherCAT Terminal, 2-channel analog input, current, 0â¦20 mA, 16 bit, oversampling
Категории:
Технические характеристики
| Number of inputs | 2 (differential) |
|---|---|
| Power supply | via the E-bus |
| Signal current | 0â¦20 mA |
| Max. sampling rate | max. 10 µs/100 ksps (per channel, simultaneously) |
| Oversampling factor | n = 1â¦100 selectable |
| Input signal bandwidth | 0â¦30 kHz recommended |
| Distributed clocks | yes |
| Distributed clock accuracy | << 1 µs |
| Internal resistance | typ. 85 Ω + diode voltage |
| Input filter cut-off frequency | 80 kHz |
| Напряжение питания | max. 10 V |
| Conversion time | min. 10 µs |
| Resolution | 16 bit (incl. sign) |
| Measurement error/uncertainty | < ±0.3% (relative to full scale value) up to 10 Hz input signal |
| Напряжение питания | max. 35 V |
| Electrical isolation | 500 V (E-bus/signal voltage) |
| Current consumption E-bus | typ. 200 mA |
| Current consumption power contacts | â |
| Bit width in the process image | input: n x 2 x 16 bit data; optionally 2 x 16 bit cycle counter, 4 byte StartNextLatch time |
| Special features | oversampling |
| Масса | approx. 60 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 |
| Pluggable wiring level | for all ESxxxx terminals |
| 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 EL3742 analog input terminal handles signals in the range between 0Â and 20Â mA. The voltage is digitized to a resolution of 16Â bits, and is transmitted, electrically isolated, to the controller. The input channels of the EtherCAT Terminal have |