Beckhoff EL1819 EtherCAT Terminal
The Beckhoff EL1819 digital input terminal acquires the binary control signals from the process level and transmits them, in an electrically isolated form, to the higher-level automation device. The EtherCAT Terminal contains 16 channels, whose signal states are displayed by LEDs. The terminal is particularly suitable for space-saving use in control cabinets. By using the single-conductor connection technique, a multi-channel sensor can be connected in the smallest space with a minimum amount of wiring. The power contacts are looped through.
For the EL1819, the reference ground for all inputs is the 0 V power contact. The conductors can connect without tools in the case of solid wires using a direct plug-in technique.The HD EtherCAT Terminals (High Density) with increased packing density feature 16 connection points in the housing of a 12 mm terminal block.
Specification:
- Connection technology: 1-wire
- Number of inputs: 16
- Nominal voltage: 24 V DC (-15 %/+20 %)
- “0” signal voltage: -3…+5 V (EN 61131-2, type 1/3)
- “1” signal voltage: 11…30 V (EN 61131-2, type 3)
- Input current: typ. 3 mA (EN 61131-2, type 3)
- Input filter: typ. 10 µs
- Current consumption power contacts: typ. 4 mA + load
- Current consumption E-bus: typ. 100 mA
- Electrical isolation: 500 V (E-bus/field potential)
- Bit width in the process image: 16 inputs
- Configuration: no address or configuration setting
- Conductor types: solid wire, stranded wire and ferrule
- Conductor connection: solid wire conductors: direct plug-in technique; stranded wire conductors and ferrules: spring actuation by screwdriver
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