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4086050725 Homag Bk9103-1006 Beckhoff Ethercat Bus Coupling Coupler
- Beckhoff
- 15-30days
- 10 per month
- 4086050725
Product Advantages and Features
1.Flexible and efficient network communication capabilities
The BK9103-1006 supports 10 Mbit/s and 100 Mbit/s dual-rate Ethernet, adapting to industrial scenarios with different bandwidth requirements. It has a built-in 3-port switch, which can directly construct a line topology. Compared with the traditional star topology, it significantly reduces the number of wires and construction costs. At the same time, the maximum distance between two couplers is up to 100 m, and it supports cascading of 20 units, easily meeting the equipment connection needs of long-distance and large-range applications. In addition, the IP address configuration method is flexible: it not only supports manual setting via DIP switches (with adjustable offset to a freely selected starting address) but also can automatically obtain an address in a DHCP network environment, simplifying the network deployment process.
2.Intelligent and convenient system integration features
This product is equipped with an intelligent terminal module identification function, which can automatically identify the model and parameters of the connected terminal modules without manual intervention. At the same time, it can automatically assign the input and output signals of the terminals to the corresponding words in the process image, eliminating the tedious operation of manually mapping I/O points, greatly shortening the system commissioning time and improving integration efficiency. Whether building a system for the first time or expanding terminal modules in the later stage, there is no need to reconfigure complex settings, reducing the operation threshold for technical personnel.
3.Stable and reliable industrial-grade performance
The BK9103-1006 is designed in strict accordance with industrial-grade standards. It has an electrical isolation of 500 V rms (between power contacts/power voltage/fieldbus), which effectively resists electrical interference and ensures stable signal transmission. The operating temperature range covers 0…+55 °C, and the storage temperature range reaches -25…+85 °C. At the same time, it can withstand a certain degree of vibration and shock (complying with EN 60068-2-6/EN 60068-2-27/29 standards), adapting to complex and harsh industrial environments such as factory workshops and outdoor control cabinets. In addition, the product has a protection class of IP 20, which can prevent the intrusion of solid foreign objects with a diameter greater than 12.5 mm and protect the safety of internal components.
4.Highly adaptable power supply and expansion design
The product adopts a 24 V DC wide-voltage power supply design, allowing a voltage fluctuation range of -15%/+20%, which adapts to the common power voltage fluctuations in industrial sites and avoids equipment failures caused by unstable voltage. The K-Bus supply current reaches 1750 mA, which can provide stable power for multiple terminal modules at the same time, supporting up to 255 K-Bus expansion terminals to meet the I/O expansion needs of automated systems of different scales. The power contacts can withstand a maximum voltage of 24 V DC and a current of 10 A. With the recommended 10 A fuse, the power supply safety and equipment durability are further improved.
Product Technical Parameters
Parameter | Details |
Ethernet Support | 10 Mbit/s & 100 Mbit/s |
Topology Feature | Built-in 3-port switch for line topology, 20 units cascading, max 100 m distance between couplers |
IP Address Setup | Manual via DIP switch (with offset) or auto from DHCP |
Terminal Module Recognition | Automatic |
I/O Assignment | Automatic to process image |
Electrical Isolation | 500 V rms (power contacts / power voltage / fieldbus) |
Operating Temperature | 0… + 55 °C |
Storage Temperature | - 25… + 85 °C |
Vibration/Shock Resistance | Comply with EN 60068 - 2 - 6/EN 60068 - 2 - 27/29 |
Protection Class | IP 20 |
Power Supply | 24 V DC (-15%/+20% voltage range) |
K - Bus Supply Current | 1750 mA, supports up to 255 K - bus expansion terminals |
Power Contact Rating | Max 24 V DC, 10 A, recommended 10 A fuse |
Product Application Scope
Industrial Automation Production Lines
Within industrial automation production lines (e.g., automotive manufacturing, electronic component assembly lines), the BK9103-1006 plays a critical role in equipment connection and data transmission. It connects terminals of industrial sensors (such as proximity sensors for part position detection and pressure sensors for assembly force monitoring) and actuators (like robotic arm control modules and conveyor belt drive units). By enabling real-time data exchange between these devices and the central control system, it ensures precise control of production processes—such as accurate positioning of robotic arms during part assembly and synchronized operation of conveyor belts. This helps improve production efficiency, reduce product defect rates, and support stable, continuous operation of the production line.
Transportation Infrastructure
In transportation infrastructure, the BK9103-1006 is widely used in smart transportation hubs, parking lot management systems, and road traffic control systems. In smart parking lots, it connects terminals of vehicle detection sensors (to identify vehicle entry/exit and parking space occupancy) and barrier gate control units, enabling automated barrier lifting/lowering and real-time update of parking space information. At transportation hubs (e.g., railway stations, airports), it links terminals of passenger flow counting sensors and public area lighting equipment, supporting dynamic adjustment of lighting brightness based on passenger flow and facilitating monitoring of passenger movement. On road traffic facilities, it connects terminals of traffic signal controllers and traffic flow detectors, assisting in optimizing traffic signal timing and improving road traffic efficiency.
Product Description
Aspect | Description |
Product Type | Beckhoff Bus Coupler |
Core Function | Connects PROFINET RT to electronic terminal blocks; enables data transmission between field devices and control system |
Ethernet Support | 10/100 Mbit/s; built-in 3-port switch for line topology |
Smart Feature | Auto-identifies terminal modules; auto-assigns I/O to process image |
Power Supply | 24 V DC (-15%/+20%); K-Bus supply current: 1750 mA |
Industrial Durability | 0~+55°C operating temp; 500 V rms isolation; IP20 protection |
Expansion Capacity | Supports up to 255 K-Bus expansion terminals |
Company Introduction
Haopai Co., Ltd. was established in 2008 and is a comprehensive service enterprise specializing in machinery and accessories for the home industry. We have a specialized and innovative customer center, component assembly workshop, equipment debugging workshop, processing workshop, and warehousing. Our main business includes sales of mechanical parts, equipment upgrades and renovations, equipment maintenance and relocation, customized non-standard equipment, intelligent production line planning, automation support, machine vision, shared cloud warehouses, etc. We provide customers with professional personalized services. After more than ten years of accumulation and development, our elite service team of nearly 200 people has served over 10000 enterprises nationwide. Over the years, we have accumulated more than 200000 non-standard accessory categories, making us the most comprehensive one-stop procurement platform in the industry. We have the most competitive technical renovation team in China, with a total of over 100000 equipment upgrade and renovation projects. Haopai Co., Ltd. has been committed to the great cause of making global machinery and preferred Chinese parts for many years, and is determined to become the preferred brand for comprehensive services of global machinery and parts.


Deeply Cultivating the Industry for More Than Ten Years, Creating an Intelligent Manufacturing Full Chain System for Woodworking Machinery.
After 16 years of industry accumulation, we have always focused on the research and manufacturing of CNC woodworking machinery. We have established a leading full chain production system and specialized team structure, providing one-stop services from research and development to delivery for global customers. It is currently a one-stop procurement platform with a complete range of categories in the industry.
Specialized and Innovative Customer Center



Haopai has been committed to the business philosophy of quality first, integrity-based, and win-win cooperation. We adhere to the business philosophy of ultimate customer experience and efficient operation, and uphold the service spirit of taking non-standard customization, drilling difficulties, and solving difficulties as our own responsibility. We constantly innovate and aspire to become the preferred brand for comprehensive services of global machinery and accessories. We are committed to making the great cause of global machinery and preferred Chinese accessories contribute to the development of national brands and the strength of Haopai people.




Team Style
Professional team, always on standby
The service team is distributed in pre-sales consulting, order management, technical support, and after-sales service positions, with 7 × 12 hours of online response to ensure that your needs are processed in the first time.






Haopai Intelligent Cloud Warehouse, Escorting You
In Order to Solve the Problems of High Procurement Costs, Low Efficiency, Difficult Management, Slow Logistics, And High Stagnant Inventory of Industrial Materials in Factories, Haopai Shared Cloud Warehouse Emerged in 2020. Greater Efforts Will Be Made to Assist Customers in Achieving Zero Capital Occupation, Spare Parts Inventory, And Improving Their Digital Level.




Machining Workshop




Component Assembly Workshop


New Media Center


The Intelligent Dispatching System Established in 2021 Has Achieved Intelligent Personnel Allocation, Real-Time Control of Technical Personnel's Work Status, Mobile Dispatching, Accurate and Effective Arrangement of Various Tasks, Precise Control of Project Costs, Thus Creating a Fast Response, Efficient, And Professional After-Sales Service Team.




Patent Certificates
Cooperative Partner
We Have Served over 10000 Enterprises Nationwide and Have Accumulated over 200000 Non-standard Accessory Categories over the Years, Covering Major Home Furnishing Brands Across the Country.