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Beckhoff BK5250 bus coupler for PROFINET IO networks with diagnostic LEDs illuminated

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Beckhoff BK5250

by Beckhoff

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OverviewThe Beckhoff BK5250 Bus Coupler provides a crucial link for integrating Beckhoff K-Bus terminals within a PROFINET IO network. This device serves as an effective gateway, enabling streamlined, real-time communication between industrial field equipment and your PROFINET controller. Supporting up to 64 I/O terminals, the BK5250 allows for highly scalable and modular I/O expansion, making it an ideal choice for diverse distributed automation setups. Its compact footprint and user-friendly features ensure straightforward installation and dependable performance, enhancing the versatility and efficiency of industrial control systems.Key Features PROFINET IO Device Bus Coupler: Seamlessly connects Beckhoff K-Bus I/O into PROFINET architectures. High Capacity: Manages and connects as many as 64 K-Bus terminals, providing extensive I/O growth potential. Rapid Data Transmission: Achieves 100 Mbit/s full duplex for swift and efficient data exchange. Compact DIN-Rail Housing: Designed for convenient, space-saving mounting within control cabinets. Diagnostic LEDs: Offers clear visual feedback for system and bus status, simplifying setup and problem-solving. Native PROFINET Integration: Developed for easy deployment within existing PROFINET infrastructures. TwinCAT Compatibility: Fully supported by Beckhoff TwinCAT, ensuring comprehensive programming and configuration options. Technical Specifications Part Number: BK5250 Manufacturer: Beckhoff Interface: PROFINET IO Device Supported Terminals: Up to 64 K-Bus terminals Transmission Rate: 100 Mbit/s full duplex Housing Width: 65 mm Mounting: DIN rail (K-Bus system) Power Supply: 24 V DC Operating Temperature: –25 °C to +60 °C Applications Modular I/O Integration: Excellent for expanding I/O capabilities in PROFINET-centric control systems. Machine and Process Automation: Perfectly suited for distributed control where real-time operation is essential. System Upgrades: Facilitates simple modernization of older systems with current PROFINET connectivity. Industrial Facilities: Appropriate for environments requiring flexible and scalable I/O expansion to meet changing requirements. Mixed Automation Architectures: Enables smooth integration of PROFINET with existing Beckhoff I/O components. Why Choose This Model?The Beckhoff BK5250 stands out as a superior selection for PROFINET IO integration due to its exceptional dependability, modularity, and performance. Its capacity to effortlessly incorporate up to 64 K-Bus I/O terminals offers unparalleled versatility for designing and expanding automation setups. With a swift 100 Mbit/s full-duplex transmission rate, it ensures real-time data exchange, vital for demanding industrial uses. The compact DIN-rail enclosure and integrated diagnostic LEDs not only simplify installation but also streamline maintenance and troubleshooting. Supported by Beckhoff's renowned global expertise in automation, the BK5250 provides a robust and future-proof solution for your industrial communication needs, making it a valuable asset for any contemporary PROFINET network.Order NowThe Beckhoff BK5250 PROFINET IO Device bus coupler is available to enhance your automation infrastructure. We offer worldwide shipping to ensure you can acquire this essential component regardless of location. Elevate your system's performance and expand its capabilities with this reliable and efficient PROFINET solution. Optimize your industrial control and communication processes today.FAQWhat is the primary function of the Beckhoff BK5250?The Beckhoff BK5250 bus coupler is designed to integrate Beckhoff K-Bus terminals into a PROFINET IO network, enabling efficient communication between field devices and a PROFINET controller.How many I/O terminals can the BK5250 support?This bus coupler can support and manage up to 64 K-Bus I/O terminals, offering extensive expansion capabilities for your automation system.What is the data transmission rate of the BK5250?The BK5250 achieves a fast data transmission rate of 100 Mbit/s in full duplex, ensuring rapid and efficient data exchange within your PROFINET network.Is the Beckhoff BK5250 easy to install?Yes, its compact DIN-rail housing and user-friendly features, including diagnostic LEDs, are designed for straightforward installation and simplified troubleshooting in control cabinets.Which Beckhoff software supports the BK5250?The BK5250 is fully supported by Beckhoff TwinCAT, providing comprehensive configuration and programming options for seamless integration into your existing systems.

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PRODUCT DETAILS

Beckhoff BK5250

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: BK5250
  • Manufacturer: Beckhoff
  • Interface: PROFINET IO Device
  • Supported Terminals: Up to 64 K-Bus terminals
  • Transmission Rate: 100 Mbit/s full duplex
  • Housing Width: 65 mm
  • Mounting: DIN rail (K-Bus system)
  • Power Supply: 24 V DC
  • Operating Temperature: –25 °C to +60 °C

Applications

  • Modular I/O Integration: Excellent for expanding I/O capabilities in PROFINET-centric control systems.
  • Machine and Process Automation: Perfectly suited for distributed control where real-time operation is essential.
  • System Upgrades: Facilitates simple modernization of older systems with current PROFINET connectivity.
  • Industrial Facilities: Appropriate for environments requiring flexible and scalable I/O expansion to meet changing requirements.
  • Mixed Automation Architectures: Enables smooth integration of PROFINET with existing Beckhoff I/O components.

Why Choose the BK5250?

The Beckhoff BK5250 stands out as a superior selection for PROFINET IO integration due to its exceptional dependability, modularity, and performance. Its capacity to effortlessly incorporate up to 64 K-Bus I/O terminals offers unparalleled versatility for designing and expanding automation setups. With a swift 100 Mbit/s full-duplex transmission rate, it ensures real-time data exchange, vital for demanding industrial uses. The compact DIN-rail enclosure and integrated diagnostic LEDs not only simplify installation but also streamline maintenance and troubleshooting. Supported by Beckhoff's renowned global expertise in automation, the BK5250 provides a robust and future-proof solution for your industrial communication needs, making it a valuable asset for any contemporary PROFINET network.

Availability & Shipping

  • In stock: BK5250 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 BK5250 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Beckhoff

The Beckhoff BK5250 bus coupler is designed to integrate Beckhoff K-Bus terminals into a PROFINET IO network, enabling efficient communication between field devices and a PROFINET controller.

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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