BECKHOFF KL1889 Bus Terminal Series HD Bus Terminal

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Manufacturer: BECKHOFF
Product No.: KL1889
Country of origin:Germany
Product Type: HD Bus Terminals
Payment: T/T, Western Union
Weight: 55g
Shipping port: Xiamen
Warranty: 12 months

Description

Engineered for high-density space conservation in control cabinets, the BECKHOFF KL1889 is a High-Density (HD) Bus Terminal featuring sixteen digital inputs in a compact 12 mm housing width. Operating with negative switching (sink) logic, this module incorporates 1-wire connection technology, allowing direct connection of sensors and signals to the process image without excessive terminal blocks. Designed for seamless integration into K-bus networks, the KL1889 enables efficient signal acquisition in restricted spaces while simplifying wiring and minimizing hardware requirements.

Features

Provides 16 digital inputs within a compact 12 mm mechanical footprint.
Utilizes negative switching (sink) logic configuration.
Employs 1-wire connection technology with direct plug-in connection for solid conductors.
Tool-free termination for solid conductors; simple spring actuation by screwdriver for stranded wires and ferrules.
Integrated hardware input filter (typ. 3.0 ms) to suppress line bounce and noise.
Complete 500 V galvanic isolation between the internal K-bus and the field potential.
Address-free configuration for immediate plug-and-play installation within the Bus Coupler process image.

Applications

Space-constrained decentralized control systems and distribution cabinets.
Automated assembly systems, packaging machinery, and material handling lines.
Sensor signal concentration in industrial process automation.
General manufacturing and PLC I/O expansion environments.

Technical Specifications

Manufacturer	BECKHOFF
Part Number/Model	KL1889
Connection Technology	1-wire
Specification	Negative switching (sink)
Number of Inputs	16
Nominal Voltage	24 V DC (-15% / +20%)
"0" Signal Voltage	18 to 30 V
"1" Signal Voltage	0 to 7 V
Input Filter	typ. 3.0 ms
Input Current	typ. 3 mA
Current Consumption (K-bus)	typ. 20 mA
Current Consumption (Power Contacts)	typ. 4 mA + load
Electrical Isolation	500 V (K-bus to field potential)
Bit Width in Process Image	16 inputs
Conductor Connection (Solid)	Direct plug-in technique (0.08 to 1.5 mm²)
Conductor Connection (Stranded)	Spring actuation by screwdriver (0.25 to 1.5 mm²)
Conductor Connection (Ferrule)	Spring actuation by screwdriver (0.14 to 0.75 mm²)
Weight	approx. 55 g
Operating Temperature	0 to +55 degC
Storage Temperature	-25 to +85 degC
Relative Humidity	95%, non-condensing
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
Protection Class	IP20

Connections and Interfaces

Connection Type	Conductor Type	Cross-section Range
Direct Plug-In	Solid Wire	0.08 to 1.5 mm²
Screwdriver Spring Actuation	Stranded Wire	0.25 to 1.5 mm²
Screwdriver Spring Actuation	Ferrule	0.14 to 0.75 mm²

Installation Guidelines

Ensure the system power supply is completely disconnected before mounting or removing the terminal.
Mount the module onto a standard 35 mm DIN rail (EN 60715) with vertical or horizontal mounting orientation as required.
Ensure the side locking mechanism of the bus terminal engages correctly with adjacent terminals to secure reliable K-bus and power contact transmission.
Utilize appropriate shielding and grounding procedures for sensor lines to prevent electromagnetic interference from distorting input signals.

Compliance and Certifications

Key Features:

#Beckhoff Bus Terminals #HD Bus Terminals

What is the signal logic used by the BECKHOFF KL1889?

The KL1889 uses negative switching (sink) logic with 16 digital inputs.

What type of connection technology does the KL1889 support?

The module utilizes 1-wire connection technology, allowing direct conductor routing for digital signals with minimal wiring overhead.

Does the KL1889 require software addressing during setup?

No, the KL1889 is address-free and does not require software configuration; it integrates automatically into the K-bus process image.

What are the allowed conductor types and sizes for connection?

It supports solid wire (0.08 to 1.5 mm²), stranded wire (0.25 to 1.5 mm²), and ferrules (0.14 to 0.75 mm²).

What is the IP rating of the KL1889 housing?

The KL1889 has an IP20 protection class and must be installed within an appropriate control cabinet or enclosure.

Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).

For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

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BECKHOFF KL1889 Bus Terminal Series HD Bus Terminal