EL1904
 
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                            4-channel digital input terminal, TwinSAFE, 24 V DC
                        | Information | |
| About product | 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. | 
| I/O attributes | |
| Bus type | E-bus | 
| I/O type | DI | 
| Signal Type | 24V DC | 
| Number of channels | 5 | 
| Filter | 4 ms input filter | 
| Special features / functions | TwinSAFE | 
| DC, XFC, Oversampling | No | 
| Intrinsically safe (Ex i) | No | 
| Safety (Sil3 / Cat. 4, PL e, SC) | Cta.4, PL e. SIL4 | 
| Temperature range | -25°...55°C | 
| Connection technology | 2-wire | 
| IP class | IP21 | 
