BK9050 | Beckhoff Ethernet TCP/IP Bus Coupler with Modbus TCP and ADS Support
Beckhoff · Industrial Automation & Electrical
Description The Beckhoff BK9050 is an Ethernet TCP/IP bus coupler that connects up to 64 bus terminals, expandable to 255 with K-bus extension. It supports TwinCAT ADS, Modbus TCP, and Beckhoff real-time Ethernet protocols, providing 512 bytes of input and output data for flexible automation communication. Technical Specifications Condition New/Never Used Surplus Brand Beckhoff Category Fieldbus & Communication Interfaces Part Number BK9050 Subcategory Ethernet Bus Couplers Protocols TwinCAT ADS, Modbus TCP, Beckhoff real-time Ethernet Number of Bus Terminals 64 (expandable to 255 with K-bus extension) Max. Fieldbus Data Size 512 bytes input, 512 bytes output Digital Peripheral Signals 1,020 inputs/outputs Analog Peripheral Signals 128 inputs/outputs Configuration Via KS2000 software Data Transfer Rates 10/100 Mbit/s, auto-detection Bus Interface 1 × RJ45 Data Transfer Medium 4 × 2 twisted pair copper cable (Cat. 3 for 10 Mbit/s, Cat. 5 for 100 Mbit/s) Topology Star wiring Distance Between Stations 100 m (hub/switch to bus coupler) Power Supply 24 V DC (-15%/+20%) Input Current 70 mA + (total K-bus current)/4, max. 500 mA Starting Current 2.5 × continuous current Recommended Fuse ≤ 10 A K-Bus Current Supply 1750 mA Power Contacts Max. 24 V DC / 10 A Electrical Isolation 500 V (power contact/supply voltage/fieldbus) Operating Temperature 0…55 °C Storage Temperature -25…+85 °C Relative Humidity Max. 95%, non-condensing Housing Material Polycarbonate Installation 35 mm DIN rail (EN 60715) with lock Dimensions (W × H × D) 44 mm × 100 mm × 68 mm Protection Rating IP20 Weight Approx. 100 g Information About BK9050 The BK9050 is part of Beckhoff’s BK series of Ethernet bus couplers, designed for efficient integration of modular I/O terminals into Ethernet-based automation systems. Supporting up to 64 terminals and expandable to 255, it provides extensive digital and analog signal handling with up to 512 bytes each for input and output data. With built-in protocol support for TwinCAT ADS, Modbus TCP, and Beckhoff real-time Ethernet, the coupler ensures versatile communication options for industrial networks. Compact, DIN rail mountable, and equipped with IP20 protection, the BK9050 is well-suited for distributed control architectures in factory automation. Key Features: Ethernet TCP/IP Connectivity: Provides seamless integration of Beckhoff bus terminals into Ethernet-based fieldbus networks. High Data Capacity: Supports up to 512 input bytes and 512 output bytes for handling large volumes of I/O signals. Expandable Terminal Support: Connects 64 terminals natively, expandable to 255 using K-bus extension technology. Multi-Protocol Support: Compatible with TwinCAT ADS, Modbus TCP, and Beckhoff real-time Ethernet for flexible communication. Robust Power Handling: Offers 24 V DC supply with 1750 mA K-bus current and 10 A power contacts for demanding loads. Reliable Electrical Isolation: Provides 500 V separation between fieldbus, supply voltage, and power contacts for safety. Compact DIN Rail Mounting: Slim 44 mm polycarbonate housing allows easy installation in modular control panels. Industrial-Grade Operation: Operates from 0 to +55 °C, with EMC, vibration, and shock resistance for harsh environments. The BK9050 delivers the reliability and precision required for Ethernet-based fieldbus communication and modular I/O integration in industrial automation systems.
Brand: Beckhoff · Category: Industrial Automation & Electrical
Key features
- Ethernet TCP/IP Connectivity: Provides seamless integration of Beckhoff bus terminals into Ethernet-based fieldbus networks.
- High Data Capacity: Supports up to 512 input bytes and 512 output bytes for handling large volumes of I/O signals.
- Expandable Terminal Support: Connects 64 terminals natively, expandable to 255 using K-bus extension technology.
- Multi-Protocol Support: Compatible with TwinCAT ADS, Modbus TCP, and Beckhoff real-time Ethernet for flexible communication.
- Robust Power Handling: Offers 24 V DC supply with 1750 mA K-bus current and 10 A power contacts for demanding loads.
- Reliable Electrical Isolation: Provides 500 V separation between fieldbus, supply voltage, and power contacts for safety.
- Compact DIN Rail Mounting: Slim 44 mm polycarbonate housing allows easy installation in modular control panels.
- Industrial-Grade Operation: Operates from 0 to +55 °C, with EMC, vibration, and shock resistance for harsh environments.
Specifications
| Manufacturer part number | BK9050 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Beckhoff |
| Category | Fieldbus & Communication Interfaces |
| Part Number | BK9050 |
| Subcategory | Ethernet Bus Couplers |
| Protocols | TwinCAT ADS, Modbus TCP, Beckhoff real-time Ethernet |
| Number of Bus Terminals | 64 (expandable to 255 with K-bus extension) |
| Max. Fieldbus Data Size | 512 bytes input, 512 bytes output |
| Digital Peripheral Signals | 1,020 inputs/outputs |
| Analog Peripheral Signals | 128 inputs/outputs |
| Configuration | Via KS2000 software |
| Data Transfer Rates | 10/100 Mbit/s, auto-detection |
| Bus Interface | 1 × RJ45 |
| Data Transfer Medium | 4 × 2 twisted pair copper cable (Cat. 3 for 10 Mbit/s, Cat. 5 for 100 Mbit/s) |
| Topology | Star wiring |
| Distance Between Stations | 100 m (hub/switch to bus coupler) |
| Power Supply | 24 V DC (-15%/+20%) |
| Input Current | 70 mA + (total K-bus current)/4, max. 500 mA |
| Starting Current | 2.5 × continuous current |
| Recommended Fuse | ≤ 10 A |
| K-Bus Current Supply | 1750 mA |
| Power Contacts | Max. 24 V DC / 10 A |
| Electrical Isolation | 500 V (power contact/supply voltage/fieldbus) |
| Operating Temperature | 0…55 °C |
| Storage Temperature | -25…+85 °C |
| Relative Humidity | Max. 95%, non-condensing |
| Housing Material | Polycarbonate |
| Installation | 35 mm DIN rail (EN 60715) with lock |
| Dimensions (W × H × D) | 44 mm × 100 mm × 68 mm |
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