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Beckhoff KL1809 16-channel digital input terminal with LED indicators

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Beckhoff KL1809

by Beckhoff

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OverviewThe Beckhoff KL1809 is a premier 16-channel digital input Bus Terminal, specifically engineered for precise and dependable signal acquisition in 24 V DC systems. This robust device incorporates a 3 ms input filter on every channel, a crucial element for ensuring stable detection of binary signals, even within electromagnetically challenging industrial settings. Its intelligently crafted compact form factor significantly minimizes wiring complexity and spatial demands, positioning the KL1809 as an essential component for contemporary industrial control systems that require high-density input solutions without sacrificing efficiency or reliability. This unit seamlessly integrates into existing infrastructure, offering a powerful combination of performance and space-saving design.Key Features High-Density Input: Features 16 individual digital input channels for comprehensive signal integration. Robust Power Compatibility: Designed for an input voltage of 24 V DC, ensuring extensive compatibility with industrial power supplies. Advanced Signal Filtering: Each input benefits from a 3 ms filter, guaranteeing stable and accurate signal acquisition by suppressing interference. Space-Saving Design: Its compact form factor promotes efficient panel layout and reduces overall installation footprint. Instant Status Indication: Integrated LED indicators provide immediate visual feedback on the operational status of each channel. Modular System Integration: Utilizes advanced Bus Terminal technology, allowing for seamless and flexible system expansion. Economical High-Density Solution: Offers a cost-effective approach to managing numerous inputs within a minimal space. Technical Specifications Part Number: KL1809 Manufacturer: Beckhoff Channels: 16 digital inputs Input Voltage: 24 V DC Input Filter: 3 ms Signal Type: 0/1 (binary) Interface: Bus Terminal (K-Bus) Housing Width: 12 mm Mounting: DIN rail terminal Operating Temperature: –25 °C to +60 °C ApplicationsThe versatility and high performance of the Beckhoff KL1809 make it suitable for a wide array of industrial applications, including: High-Density Digital Input Acquisition: Perfect for systems requiring a large number of digital inputs in a confined space. Industrial Automation and Control Systems: A foundational component for various automated processes, ensuring precise control. Machine and Plant Monitoring: Essential for collecting status data from machinery and plant infrastructure to ensure optimal operation and detect anomalies. Packaging and Conveyor Technology: Ideal for integrating sensors and switches in high-speed packaging lines and conveyor systems. Signal Collection from Switches and Sensors: Reliably captures binary signals from a multitude of industrial switches, buttons, and proximity sensors. Why ChooseThe Beckhoff KL1809 stands out as a superior choice for your industrial automation needs due to several compelling factors. Its remarkable high channel density, packing 16 inputs into an incredibly slender 12 mm width, allows for significant space savings in control cabinets. The integrated 3 ms input filter on every channel ensures unparalleled reliability and consistent performance, effectively mitigating electrical noise and guaranteeing accurate signal detection in challenging industrial environments. Furthermore, as part of Beckhoff’s renowned modular Bus Terminal system, the KL1809 offers unparalleled flexibility for system expansion and integration, allowing your infrastructure to evolve with your operational demands. This model represents a highly cost-effective and space-efficient solution, particularly beneficial for applications with extensive I/O requirements, solidifying its position as an intelligent investment for any modern industrial setup.Order NowElevate your industrial control capabilities with the high-performance Beckhoff KL1809 16-channel digital input terminal. This essential component for efficient and reliable operation is available for order today.FAQWhat is the primary function of the Beckhoff KL1809?The primary function of the KL1809 is to provide precise and dependable signal acquisition for 16 digital inputs in 24 V DC applications, especially in environments with electromagnetic noise.How does the 3 ms input filter benefit industrial applications?The 3 ms input filter on each channel ensures stable and accurate signal acquisition by effectively suppressing interference and electrical noise, leading to more reliable operation.Can the KL1809 be easily integrated into existing systems?Yes, the KL1809 is designed for seamless integration into existing infrastructure due to its use of advanced Bus Terminal technology, allowing for flexible system expansion.What types of applications is this unit best suited for?This unit is best suited for high-density digital input acquisition, industrial automation and control systems, machine and plant monitoring, and packaging and conveyor technology.Is the Beckhoff KL1809 a space-saving solution?Yes, its compact form factor, packing 16 inputs into a 12 mm width, significantly reduces both wiring complexity and spatial requirements in control cabinets.

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PRODUCT DETAILS

Beckhoff KL1809

Overview

This is a genuine Beckhoff component from the Bus Terminals (KL) family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Beckhoff catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Beckhoff automation ecosystem
  • Engineered to integrate inside Bus Terminals (KL) installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Beckhoff equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Beckhoff catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Beckhoff platform with documented conversion notes for the Bus Terminals (KL) family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Part Number: KL1809
  • Manufacturer: Beckhoff
  • Channels: 16 digital inputs
  • Input Voltage: 24 V DC
  • Input Filter: 3 ms
  • Signal Type: 0/1 (binary)
  • Interface: Bus Terminal (K-Bus)
  • Housing Width: 12 mm
  • Mounting: DIN rail terminal
  • Operating Temperature: –25 °C to +60 °C

Applications

The versatility and high performance of the Beckhoff KL1809 make it suitable for a wide array of industrial applications, including:

  • High-Density Digital Input Acquisition: Perfect for systems requiring a large number of digital inputs in a confined space.
  • Industrial Automation and Control Systems: A foundational component for various automated processes, ensuring precise control.
  • Machine and Plant Monitoring: Essential for collecting status data from machinery and plant infrastructure to ensure optimal operation and detect anomalies.
  • Packaging and Conveyor Technology: Ideal for integrating sensors and switches in high-speed packaging lines and conveyor systems.
  • Signal Collection from Switches and Sensors: Reliably captures binary signals from a multitude of industrial switches, buttons, and proximity sensors.

Why Choose the KL1809?

The Beckhoff KL1809 stands out as a superior choice for your industrial automation needs due to several compelling factors. Its remarkable high channel density, packing 16 inputs into an incredibly slender 12 mm width, allows for significant space savings in control cabinets. The integrated 3 ms input filter on every channel ensures unparalleled reliability and consistent performance, effectively mitigating electrical noise and guaranteeing accurate signal detection in challenging industrial environments. Furthermore, as part of Beckhoff’s renowned modular Bus Terminal system, the KL1809 offers unparalleled flexibility for system expansion and integration, allowing your infrastructure to evolve with your operational demands. This model represents a highly cost-effective and space-efficient solution, particularly beneficial for applications with extensive I/O requirements, solidifying its position as an intelligent investment for any modern industrial setup.

Availability & Shipping

  • In stock: KL1809 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every KL1809 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Beckhoff

The primary function of the KL1809 is to provide precise and dependable signal acquisition for 16 digital inputs in 24 V DC applications, especially in environments with electromagnetic noise.

Machine down? We ship parts the same day.

New, surplus, and refurbished Beckhoff inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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