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Beckhoff BK9103
by Beckhoff
Read verified buyer reviews ↓OverviewThe Beckhoff BK9103 is an advanced Modbus TCP/IP bus coupler designed to link Modbus TCP networks with Beckhoff EtherCAT Terminals (EL series). This device acts as a crucial communication interface, allowing flexible incorporation of decentralized control systems across various industrial settings. Engineered for DIN-rail mounting, the BK9103 ensures straightforward installation and setup, making it an excellent option for applications needing open network communication and expandable I/O. Its compact size and powerful features guarantee efficient and dependable data exchange, boosting the overall performance of automation setups.Key Features Modbus TCP/IP Compatibility: Supports the widely used Modbus TCP/IP protocol, ensuring broad connectivity. EtherCAT Terminal Connectivity: Connects effortlessly with Beckhoff EtherCAT Terminals, unlocking their advanced I/O functions. Integrated Ethernet Hub: Features 2 × RJ45 Ethernet ports with switching capabilities for adaptable network configurations. Automatic Speed Detection: Simplifies configuration and ensures consistent communication without manual intervention. Detailed LED Indicators: Provides clear visual feedback on status and activity, facilitating quick issue resolution. High Terminal Capacity: Accommodates up to 64 terminals (and up to 255 with power supply terminals), allowing extensive I/O expansion. Compact and Modular Build: Designed for space efficiency and easy integration into existing control panels. DIN-Rail Mounting: Enables fast and secure installation in industrial control cabinets. Technical Specifications Part Number: BK9103 Manufacturer: Beckhoff Protocol: Modbus TCP/IP Bus Interface: 2 × RJ45 Ethernet (10/100 Mbps) I/O Connection: Beckhoff EtherCAT Terminals Maximum Terminals: 64 (255 with power feed terminals) Mounting: DIN-rail Power Supply: 24 V DC Operating Temperature Range: –25 °C to +60 °C Environmental Protection: IP20 Dimensions (W×H×D): 64 mm × 100 mm × 71 mm Applications Industrial Communication Links: Serves as a central point for data exchange between Modbus TCP and EtherCAT devices. PLC and SCADA System Integration: Enables robust communication within intricate industrial control and monitoring environments. Distributed I/O Implementations: Perfect for creating scalable and decentralized I/O architectures utilizing Modbus TCP. Building Automation Systems: Integrates diverse systems using open protocols, enhancing control and monitoring capabilities. Machine Control Systems: Optimizes control processes for machinery using Beckhoff EL terminals for precise monitoring and operation. Why Choose This Model?The Beckhoff BK9103 is a superior choice for industrial automation, offering exceptional integration capabilities. Its capacity to seamlessly unite Modbus TCP and EtherCAT technologies provides engineers with a highly adaptable and efficient solution for connecting varied control systems. The modularity of the BK9103, coupled with its compatibility with Beckhoff's extensive array of EtherCAT I/O terminals, facilitates custom-designed solutions that can adapt to evolving operational demands. Furthermore, its dependable performance, compact form, and user-friendly diagnostic features ensure minimal downtime and simplified maintenance in challenging industrial settings. Select the BK9103 for robust, scalable, and high-performance communication within your automation infrastructure.Order NowEnhance your industrial automation capabilities with the Beckhoff BK9103 Modbus TCP Bus Coupler. This vital component for effortless Modbus TCP to EtherCAT integration is readily available and ships globally, ensuring your projects proceed without delay. For further integration into your Beckhoff ecosystem, explore our wide selection of Beckhoff Bus Terminals and other advanced products within the Beckhoff Category.FAQHow does the Beckhoff BK9103 improve industrial communication?The BK9103 acts as a bridge, allowing Modbus TCP networks to communicate seamlessly with Beckhoff EtherCAT Terminals, thus enabling flexible and efficient data exchange in industrial environments.What types of networks can the BK9103 connect?It can connect Modbus TCP/IP networks with Beckhoff EtherCAT Terminal systems, facilitating integration across different industrial communication standards.Is the Beckhoff BK9103 easy to install?Yes, its DIN-rail mounting design and automatic baud rate detection simplify installation and configuration, making it user-friendly for industrial applications.What is the maximum number of terminals supported by the BK9103?The BK9103 supports up to 64 terminals, and with power feed terminals, this capacity can be expanded to 255, offering extensive I/O expansion.Can the BK9103 be used in various industrial settings?Absolutely, its versatility makes it suitable for industrial communication gateways, PLC and SCADA system integration, decentralized I/O systems, building automation, and machine control applications.
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Beckhoff BK9103
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:
- Exact replacement — same Beckhoff catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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: BK9103
- Manufacturer: Beckhoff
- Protocol: Modbus TCP/IP
- Bus Interface: 2 × RJ45 Ethernet (10/100 Mbps)
- I/O Connection: Beckhoff EtherCAT Terminals
- Maximum Terminals: 64 (255 with power feed terminals)
- Mounting: DIN-rail
- Power Supply: 24 V DC
- Operating Temperature Range: –25 °C to +60 °C
- Environmental Protection: IP20
- Dimensions (W×H×D): 64 mm × 100 mm × 71 mm
Applications
- Industrial Communication Links: Serves as a central point for data exchange between Modbus TCP and EtherCAT devices.
- PLC and SCADA System Integration: Enables robust communication within intricate industrial control and monitoring environments.
- Distributed I/O Implementations: Perfect for creating scalable and decentralized I/O architectures utilizing Modbus TCP.
- Building Automation Systems: Integrates diverse systems using open protocols, enhancing control and monitoring capabilities.
- Machine Control Systems: Optimizes control processes for machinery using Beckhoff EL terminals for precise monitoring and operation.
Why Choose the BK9103?
The Beckhoff BK9103 is a superior choice for industrial automation, offering exceptional integration capabilities. Its capacity to seamlessly unite Modbus TCP and EtherCAT technologies provides engineers with a highly adaptable and efficient solution for connecting varied control systems. The modularity of the BK9103, coupled with its compatibility with Beckhoff's extensive array of EtherCAT I/O terminals, facilitates custom-designed solutions that can adapt to evolving operational demands. Furthermore, its dependable performance, compact form, and user-friendly diagnostic features ensure minimal downtime and simplified maintenance in challenging industrial settings. Select the BK9103 for robust, scalable, and high-performance communication within your automation infrastructure.
Availability & Shipping
- ▸In stock: BK9103 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 BK9103 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Beckhoff
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.
Related Beckhoff resources
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
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.