Article image KL1889

Beckhoff KL1889

KL1889 | HD Bus Terminal, 16-channel digital input 24 V DC, 0 V (ground) switching

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Description

The KL1889 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 Bus 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.

Technical parameters

Connection technology: 1-wire
Specification: negative switching
Number of inputs: 16
Nominal voltage: 24 V DC (-15 %/+20 %)
“0“ signal voltage: 18…30 V
“1“ signal voltage: 0…7 V
Input filter: typ. 3.0 ms
Input current: typ. 3 mA
Current consumpt. K-bus: typ. 20 mA
Current consumption power contacts: typ. 4 mA + load
Electrical isolation: 500 V (K-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
Rated cross-section: solid wire: 0.08…1.5 mm²; stranded wire: 0.25…1.5 mm²; ferrule: 0.14…0.75 mm²
Weight: approx. 55 g
Operating/storage temperature: 0…+55 °C/-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. class/installation pos.: IP 20/variable (see documentation)
Approvals: CE, UL, Ex, GL

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