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Beckhoff
EJ1889
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Beckhoff EJ1889
EJ1889 | 16-channel digital input 24 V DC, ground switching
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Description
The EJ1889 digital input acquires the binary control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation device. The EJ1889 contains 16 channels, whose signal states are displayed by LEDs. The digital inputs have a 3 ms input filter. The EJ1889 takes the 24 V power contact as its reference for all inputs.
Technical parameters
| Specification: | ground switching “0”: 18…30 V DC, “1”: 0…7 V DC, typ. 3 mA input current |
| Number of inputs: | 16 |
| Nominal voltage: | 24 V DC (-15 %/+20 %) |
| “0” signal voltage: | 18…30 V |
| “1” signal voltage: | 0…7 V |
| Input current: | typ. 3.0 mA |
| Input filter: | typ. 3.0 ms |
| Distributed clocks: | – |
| Current consumption E-bus: | typ. 80 mA |
| Electrical isolation: | 500 V (E-bus/field potential) |
| Bit width in the process image: | 16 inputs |
| Special features: | ground switching |
| Dimensions (W x H x D): | approx. 12 mm x 66 mm x 55 mm |
| Operating/storage temperature: | -25…+60 °C/-40…+85 °C |
| Relative humidity: | 95 %, no condensation |
| EMC immunity/emission: | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protection class: | IP 20 |
| Approvals/markings: | CE, UL |
Logistic parameters
| ECCN: | |
| Country of Origin: | |
| EAN: | |
| Weight: | 0.00 kg |
| Length: | 0.00 m |
| Width: | 0.00 m |
| Height: | 0.00 m |