Article image EL1808

Beckhoff EL1808

EL1808 | HD EtherCAT Terminal, 8-channel digital input 24 V DC, 2-wire connection

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Description

The EL1808 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 eight channels, consisting of a signal input and 24 V DC. The signal states are displayed by LEDs. The power contacts are looped through.

Technical parameters

Connection technology: 2-wire
Specification: EN 61131-2, type 1/3
Number of inputs: 8
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. 3.0 ms
Distributed clocks:
Current consumption power contacts: typ. 2 mA + load
Current consumption E-bus: typ. 100 mA
Electrical isolation: 500 V (E-bus/field potential)
Bit width in the process image: 8 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
Rated cross-section: solid wire: 0.08…1.5 mm²; stranded wire: 0.25…1.5 mm²; ferrule: 0.14…0.75 mm²
Special features: direct plug-in technique, 2-wire connection
Weight: approx. 60 g
Operating/storage temperature: -25…+60 °C/-40…+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. class/installation pos.: IP 20/variable (see documentation)
Approvals: CE, UL, Ex

Logistic parameters

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