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EL1904 | 4-channel digital input terminal, TwinSAFE, 24 V DC
The EL1904 EtherCAT Terminal is a digital input terminal for sensors with potential-free contacts for 24 V DC. The EtherCAT Terminal has four fail-safe inputs. The EL1904 meets the requirements of IEC 61508 SIL 3 and DIN EN ISO 13849 PL e.
| Technical data | EL1904 |
|---|---|
| Connection technology | 1-/2-wire |
| Safety standard | DIN EN ISO 13849-1:2008 (Cat 4, PL e) and IEC 61508:2010 (SIL 3) |
| Number of inputs | 4 |
| Protocol | TwinSAFE/Safety over EtherCAT |
| Status display | 8 LEDs: 1 per input, 4 diagnostic |
| Response time | typ. 4 ms (read input/write to E-bus) |
| Current consumption E-bus | approx. 200 mA |
| Fault response time | ≤ watchdog time (parameterisable) |
| Bit width in the process image | input: 6 byte; output: 6 byte |
| Supply voltage | 24 V DC (-15 %/+20 %) |
| Nominal voltage | 24 V DC (-15 %/+20 %) |
| Special features | 4 safe inputs |
| Weight | approx. 50 g |
| Operating/storage temperature | -25…+55 °C/-40…+70 °C |
| Permitted degree of contamination | 2 |
| Climate class EN 60721-3-3 | 3K3 |
| EMC immunity/emission | conforms to EN 61000-6-2/EN 61000-6-4 |
| Vibration/shock resistance | conforms to EN 60068-2-6/EN 60068-2-27 |
| Installation position | horizontal |
| Protection class | IP 20 |
| Approvals | CE, UL, Ex, TÜV SÜD |
EL1904 Beckhoff Vietnam - Cung cấp Beckhoff tại Vietnam - TMP Vietnam
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