Procurement managers rarely finalize EJ1254 without reviewing Beckhoff Ej1918, Beckhoff Ej3114 0010 and Beckhoff Ej4018, ensuring that the chosen component meets budget, compliance, and delivery conditions.
EJ1254 - Beckhoff EtherCAT Plug-in Module
EJ1254 Beckhoff EtherCAT Plug-in Module Technical Specifications
| Brand | Beckhoff |
| Product Type | EtherCAT Plug-in Module |
| Product | EJ1254 |
EJ1254 Beckhoff EtherCAT Plug-in Module Technical Specifications
| Specification | Value |
|---|---|
| Electrical isolation | 500 V (E-bus/field potential) |
| Weight | approx. 30 g |
| Operating temperature | -25...+60°C |
| Storage temperature | -40...+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 |
| Protect. rating/installation pos. | IP20/see documentation |
| Approvals/markings | CE |
| Housing - Design form | EtherCAT I/O plug-in module |
| Housing - Material | polycarbonate |
| Housing - Installation | on signal distribution board |
| Housing - Mechanical coding | EJ plug-in module: signal-specific coding pins on the housing,signal distribution board: holes in the printed circuit board |
| Housing - Locking | latching lug in circuit board cut-out |
| Housing - Connection method | field wiring: application-specific wiring level on the signal distribution board,EJ plug-in module: 2 x 20-pin socket strip |
| Housing - Dimensions (W x H x D) | 12 mm x 66 mm x 55 mm |
| Current consumption E-bus | typ. 135 mA |
| Specification | similar to EN 61131-2, type 3, â0â: -3â¦5 V DC, â1â: 11â¦30 V DC, typ. 3 mA input current |
| Number of inputs | 4 |
| Nominal voltage | 24 V DC (-15%/+20%) |
| "0" signal voltage | -3â¦+5 V (similar to EN 61131-2, type 3) |
| "1" signal voltage | 11â¦30 V (similar to EN 61131-2, type 3) |
| Input current | typ. 3 mA (similar to EN 61131-2, type 3) |
| Input filter | typ. < 1 µs |
| Special features | timestamping, latch last edge |
| Connection technology | 4-wire |
| Resolution timestamp | 1 ns |
| Auxiliary power current | typ. 10 mA + load |
