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Beckhoff EL1254
The EL1254 digital input terminal acquires the fast binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the controller. The EtherCAT Terminal ha…
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Description
The EL1254 digital input terminal acquires the fast binary 24 V control signals from the process level and transmits them, in an electrically isolated form, to the controller. The EtherCAT Terminal has four channels that indicate their signal state via
Specification
| Connection Technology | 4-wire |
|---|---|
| Specification | similar to EN 61131-2, type 3, “0”: -3…5 V DC, “1”: 11…30 V DC, typ. 3 mA input current |
| 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) |
| Input Delay Ton/Toff | 1 µs |
| Distributed Clocks | yes |
| Distributed Clock Precision | 1 µs |
| Time Resolution Signal | 1 ns |
| Current Consumption Power Contacts | typ. 20 mA + load |
| Current Consumption E Bus | typ. 80 mA |
| Electrical Isolation | 500 V (E-bus/field potential) |
| Bit Width In The Process Image | 4 x input + 4 x 16 byte timestamp |
| Configuration | no address or configuration setting |
| Special Features | timestamping, latch last edge |
| Weight | approx. 55 g |
| Operating Temperature | 0…55°C |
| Storage Temperature | -25…+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/variable |
| Approvals/Markings | CE, UL |
| Design Form | compact terminal housing with signal LEDs |
| Material | polycarbonate |
| Installation | on 35 mm DIN rail, conforming to EN 60715 with lock |
| Side By Side Mounting By Means Of | double slot and key connection |
| Marking | labeling of the BZxxxx series |
| Wiring | solid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver |
| Connection Cross Section | s*: 0.08…2.5 mm², st*: 0.08…2.5 mm², f*: 0.14…1.5 mm² |
| Connection Cross Section Awg | s*: AWG28…14, st*: AWG28…14, f*: AWG26…16 |
| Stripping Length | 8…9 mm |
| Current Load Power Contacts | Imax: 10 A |
| Dimensions (W X H X D) | 12 mm x 100 mm x 68 mm |
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