KL1904
 
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                            4-channel digital input terminal, TwinSAFE, 24 V DC
                        | Information | |
| About product | The KL1904 safety Bus Terminal is a digital input terminal for sensors with potential-free contacts for 24 V DC and has four fail-safe inputs. | 
| I/O attributes | |
| Bus type | K-bus | 
| I/O type | DI | 
| Signal Type | 24 V DC | 
| Number of channels | 4 | 
| Filter | |
| Special features / functions | Safety system | 
| DC, XFC, Oversampling | No | 
| Intrinsically safe (Ex i) | No | 
| Safety (Sil3 / Cat. 4, PL e, SC) | No | 
| Temperature range | 0…+55 °C | 
| Connection technology | 2-wire | 
| IP class | IP20 | 
