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Beckhoff EJ1254
The EJ1254 EtherCAT plug-in module acquires the fast binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the controller. The module has four cha…
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Description
The EJ1254 EtherCAT plug-in module acquires the fast binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the controller. The module has four channels that indicate their signal state via light
Specification
| Specification | similar to EN 61131-2, type 3, “0”: -3…5 V DC, “1”: 11…30 V DC, typ. 3 mA input current |
|---|---|
| Connection Technology | 4-wire |
| Number Of Inputs | 4 |
| Nominal Voltage | 24 V DC (-15%/+20%) |
| “0” Signal Voltage | -3…+5 V (similar to EN 61131-2, type 3) |
| “1” Signal Voltage | 11…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 |
| Resolution Timestamp | 1 ns |
| Precision Of Timestamp In The Terminal | 10 ns (+ input delay) |
| Distributed Clock Precision | 1 µs |
| Input Delay Ton/Toff | 1 µs |
| Distributed Clocks | yes |
| Time Resolution Signal | 1 ns |
| Auxiliary Power Current | typ. 10 mA + load |
| Current Consumption E Bus | typ. 135 mA |
| Electrical Isolation | 500 V (E-bus/field potential) |
| Special Features | timestamping, latch last edge |
| Weight | approx. 30 g |
| Operating Temperature | -25…+60°C |
| Storage Temperature | -40…+85°C |
| Relative Humidity | 95%, no condensation |
| 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 |
| Protect. Rating/Installation Pos. | IP20/see documentation |
| Approvals/Markings | CE |
| Design Form | EtherCAT I/O plug-in module |
| Material | polycarbonate |
| Installation | on signal distribution board |
| Mechanical Coding | EJ plug-in module: signal-specific coding pins on the housing, signal distribution board: holes in the printed circuit board |
| Position Of The Coding Pins | 1, 3 |
| Locking | latching lug in circuit board cut-out |
| Connection Method | field wiring: application-specific wiring level on the signal distribution board, EJ plug-in module: 2 x 20-pin socket strip |
| Dimensions (W X H X D) | 12 mm x 66 mm x 55 mm |
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