BK9055 | Beckhoff EtherNet/IP Bus Coupler 24 V DC
Beckhoff · Industrial Automation & Electrical
Description The Beckhoff BK9055 EtherNet/IP™ Bus Coupler connects EtherNet/IP networks to Beckhoff modular Bus Terminals, supporting up to 64 terminals or 255 with K-bus extension. It automatically maps connected I/O channels to the process image and operates at 10/100 Mbit/s for efficient and reliable data exchange in industrial Ethernet environments. Technical Specifications Condition New/Never Used Surplus Brand Beckhoff Category Industrial Communication Part Number BK9055 Subcategory Bus Couplers Protocol EtherNet/IP™ Bus Interface 1 x RJ45 Data Transfer Rate 10/100 Mbit/s (auto-negotiation) Data Transfer Medium Twisted pair copper cable (Cat.3 for 10 Mbit/s, Cat.5 for 100 Mbit/s) Number of Bus Terminals Up to 64 (255 with K-bus extension) Max. Bytes Fieldbus 492 bytes input, 492 bytes output Digital Peripheral Signals 3,936 inputs/outputs Analog Peripheral Signals 122 inputs/outputs Configuration Via KS2000 configuration software Topology Star wiring Distance Between Stations Max. 100 m between hub/switch and coupler Power Supply 24 V DC (-15% / +20%) Input Current 70 mA + (total K-bus current)/4, 500 mA max. Starting Current 2.5 × continuous current Recommended Fuse ≤ 10 A K-bus Current Supply 1,750 mA Power Contacts Max. 24 V DC / 10 A Electrical Isolation 500 V (power/supply/fieldbus) Data Configuration Automatic I/O mapping IP Address Assignment Via DIP switch or DHCP server Operating Temperature 0…55°C Storage Temperature -25…+85°C Relative Humidity 95%, non-condensing Mounting DIN rail Enclosure Protection IP20 Weight 100 g (approx. 0.22 lbs) Information About BK9055 The BK9055 is part of Beckhoff’s Economy Bus Coupler series, designed to integrate modular I/O terminals into EtherNet/IP™ industrial networks. It acts as the communication interface between EtherNet/IP controllers and Beckhoff’s I/O system, automatically detecting and configuring up to 64 connected terminals. The coupler supports both 10 Mbit/s and 100 Mbit/s Ethernet speeds through standard RJ45 connections and can operate in networks using star topologies. IP addressing can be set manually using DIP switches or dynamically via a DHCP server. Its high I/O density and flexible configuration make the BK9055 ideal for distributed automation tasks, providing reliable communication across industrial control systems. Key Features: EtherNet/IP Integration: Connects Beckhoff Bus Terminals directly to EtherNet/IP networks using standard Ethernet infrastructure. Automatic I/O Configuration: Detects and maps connected terminals automatically to simplify setup and commissioning. Flexible Network Setup: Supports both 10 and 100 Mbit/s Ethernet data rates with automatic speed recognition. High I/O Capacity: Manages up to 64 terminals or 255 with K-bus extension, offering 3,936 digital and 122 analog I/O channels. Robust Electrical Design: Features 500 V isolation between power, fieldbus, and signal levels for improved safety. Versatile Addressing: IP address assignment via DIP switches or DHCP for easy network integration. Stable Power Supply: Operates at 24 V DC with 1,750 mA K-bus current capacity for multiple I/O modules. Industrial Durability: IP20-rated housing with operating temperature from 0 to 55°C for control cabinet environments. The BK9055 delivers the reliability and precision required for high-performance industrial Ethernet communication and distributed control applications.
Brand: Beckhoff · Category: Industrial Automation & Electrical
Key features
- EtherNet/IP Integration: Connects Beckhoff Bus Terminals directly to EtherNet/IP networks using standard Ethernet infrastructure.
- Automatic I/O Configuration: Detects and maps connected terminals automatically to simplify setup and commissioning.
- Flexible Network Setup: Supports both 10 and 100 Mbit/s Ethernet data rates with automatic speed recognition.
- High I/O Capacity: Manages up to 64 terminals or 255 with K-bus extension, offering 3,936 digital and 122 analog I/O channels.
- Robust Electrical Design: Features 500 V isolation between power, fieldbus, and signal levels for improved safety.
- Versatile Addressing: IP address assignment via DIP switches or DHCP for easy network integration.
- Stable Power Supply: Operates at 24 V DC with 1,750 mA K-bus current capacity for multiple I/O modules.
- Industrial Durability: IP20-rated housing with operating temperature from 0 to 55°C for control cabinet environments.
Specifications
| Manufacturer part number | BK9055 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Beckhoff |
| Category | Industrial Communication |
| Part Number | BK9055 |
| Subcategory | Bus Couplers |
| Protocol | EtherNet/IP™ |
| Bus Interface | 1 x RJ45 |
| Data Transfer Rate | 10/100 Mbit/s (auto-negotiation) |
| Data Transfer Medium | Twisted pair copper cable (Cat.3 for 10 Mbit/s, Cat.5 for 100 Mbit/s) |
| Number of Bus Terminals | Up to 64 (255 with K-bus extension) |
| Max. Bytes Fieldbus | 492 bytes input, 492 bytes output |
| Digital Peripheral Signals | 3,936 inputs/outputs |
| Analog Peripheral Signals | 122 inputs/outputs |
| Configuration | Via KS2000 configuration software |
| Topology | Star wiring |
| Distance Between Stations | Max. 100 m between hub/switch and coupler |
| Power Supply | 24 V DC (-15% / +20%) |
| Input Current | 70 mA + (total K-bus current)/4, 500 mA max. |
| Starting Current | 2.5 × continuous current |
| Recommended Fuse | ≤ 10 A |
| K-bus Current Supply | 1,750 mA |
| Power Contacts | Max. 24 V DC / 10 A |
| Electrical Isolation | 500 V (power/supply/fieldbus) |
| Data Configuration | Automatic I/O mapping |
| IP Address Assignment | Via DIP switch or DHCP server |
| Operating Temperature | 0…55°C |
| Storage Temperature | -25…+85°C |
| Relative Humidity | 95%, non-condensing |
| Mounting | DIN rail |
Contact Safety Shops for pricing, delivery and project support in the UAE.