Beckhoff Automation GmbH & Co. KG EL1254
EL1254 EtherCAT Terminal, 4-channel digital input, 24 V DC, 1 µs, timestamp
Категории:
Технические характеристики
| Connection technology | 4-wire |
|---|---|
| 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 |
| Напряжение питания | 24 V DC (-15%/+20%) |
| Напряжение питания | -3â¦+5 V (similar to EN 61131-2, type 3) |
| Напряжение питания | 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 |
| Timestamp resolution | 1 ns |
| Timestamp accuracy | 10 ns (+ input delay) between the channels |
| Input delay TON/TOFF | < 1 µs |
| Distributed clocks | yes |
| Distributed clock accuracy | << 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 |
| Масса | approx. 55 g |
| Operating temperature | 0â¦55°C |
| Storage temperature | -25â¦+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 |
| Description | The EL1254 digital input terminal acquires the fast binary 24Â 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 |