BECKHOFF BK9055 Plc Modules

( Brand: Beckhoff ), ( Manufacturer Part Number: BK9055 ), ( Part Type: Module )

Review BECKHOFF Used

The **Beckhoff BK9055** is a high-performance, compact industrial Ethernet switch designed for demanding automation environments, offering unparalleled reliability, flexibility, and scalability for modern control systems. Part of Beckhoff s robust **EtherCAT** and **Industrial Ethernet** product line, this managed switch is engineered to meet the rigorous demands of factory automation, motion control, and distributed I/O applications where low latency, high bandwidth, and deterministic communication are critical. With a **5-port 10/100/1000BASE-T Ethernet** interface and a single **SFP (Small Form-factor Pluggable) port** supporting fiber optics (100BASE-FX or 1000BASE-SX/LX), the BK9055 bridges copper and fiber networks seamlessly, ensuring optimal data throughput and extended reach in complex industrial setups. Its **managed capabilities** including VLAN support, QoS (Quality of Service) prioritization, and advanced security features like 802.1X authentication allow system integrators to fine-tune network traffic, enhance security, and reduce latency for time-sensitive applications such as robotics, CNC machining, or automated packaging systems. The switch s **industrial-grade construction**, featuring a wide operating temperature range (-40 C to 70 C), high shock and vibration resistance, and compliance with strict standards like **IEC 61850-3** and **EN 61000-6-2**, ensures dependable operation in harsh factory environments where dust, moisture, and temperature fluctuations are common. Additionally, its **compact, DIN-rail-mountable design** (with optional wall-mount or panel-mount variants) allows for space-efficient integration into control cabinets or distributed network architectures without compromising performance. Whether deployed in a centralized control room or a decentralized fieldbus topology, the BK9055 serves as a versatile backbone for **EtherCAT, PROFINET, or standard TCP/IP** networks, enabling seamless communication between PLCs, I/O modules, and higher-level supervisory systems. Beckhoff s proprietary **TwinCAT** software integration further enhances its utility, allowing for centralized network monitoring, diagnostics, and configuration streamlining maintenance and troubleshooting while maximizing uptime. Ideal for applications requiring deterministic communication and high-speed data exchange, the BK9055 exemplifies Beckhoff s commitment to delivering cutting-edge, future-proof networking solutions tailored for the evolving demands of Industry 4.0.

### **Pros and Cons of buying a Beckhoff BK9055 (Industrial PC with TwinCAT 3 Support)**

1. **High Performance and Reliability** The BK9055 is a ruggedized industrial PC designed for demanding automation environments. It features a quad-core Intel processor (typically an i7 or Xeon), ensuring fast processing and stable operation even under heavy workloads.

2. **TwinCAT 3 Compatibility** Beckhoff s TwinCAT 3 is a powerful PLC and motion control software suite that integrates seamlessly with this hardware. This makes it ideal for motion control, PLC programming, and real-time applications in manufacturing, robotics, and process automation.

3. **Compact and Modular Design** The BK9055 is a compact, fanless (in some variants) or low-noise design, making it suitable for environments where space and noise are concerns. It supports various I/O expansions via Beckhoff s terminal blocks and bus systems (EtherCAT, PROFINET).

4. **Industrial-Grade Build** The unit is built to withstand harsh conditions, including temperature fluctuations, vibrations, and dust (IP65-rated in some models). This ensures long-term reliability in factory floors and outdoor industrial settings.

5. **Scalability and Flexibility** The BK9055 can be integrated into larger Beckhoff systems, allowing for easy expansion with additional I/O modules, motion axes, or communication interfaces (Ethernet, CAN, etc.).

6. **Energy Efficiency** Compared to traditional PLCs or older industrial PCs, the BK9055 consumes less power while maintaining high performance, reducing operational costs.

7. **Software and Support Ecosystem** Beckhoff provides extensive documentation, training, and technical support. The TwinCAT software is regularly updated, ensuring compatibility with modern automation trends.

8. **Real-Time Capabilities** TwinCAT 3 offers deterministic performance, which is critical for applications requiring precise timing, such as CNC machines, robotics, or synchronized motion control.

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1. **High Initial Cost** The BK9055 and TwinCAT licensing can be expensive compared to traditional PLCs or off-the-shelf industrial PCs. The cost may be prohibitive for small businesses or startups with limited budgets.

2. **Learning Curve for TwinCAT** While TwinCAT is powerful, it requires training to master, especially for users transitioning from other PLC platforms (e.g., Siemens, Allen-Bradley). This can slow down implementation in some cases.

3. **Dependency on Beckhoff Ecosystem** If a user is already invested in a different automation vendor (e.g., Siemens, Rockwell), integrating the BK9055 may require additional effort to bridge communication protocols or software compatibility.

4. **Limited Off-the-Shelf Availability** Unlike consumer-grade PCs, the BK9055 may not be readily available at local stores. Purchases often require ordering through authorized Beckhoff distributors, which can introduce delays.

5. **Software Licensing Costs** TwinCAT 3 is not free; licensing fees apply, especially for advanced features like motion control or distributed I/O. This adds to the total cost of ownership.

6. **Overkill for Simple Applications** For basic control tasks (e.g., simple relay logic or small-scale automation), the BK9055 may offer more capability than needed, making it less cost-effective compared to a basic PLC.

7. **Maintenance and Repairs** While Beckhoff hardware is durable, repairs or replacements may require specialized knowledge or Beckhoff-certified technicians, potentially increasing downtime or costs.

8. **Compatibility with Legacy Systems** Integrating the BK9055 with older, non-Beckhoff systems may require additional gateways or protocol converters, adding complexity.

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### **Conclusion**

The **Beckhoff BK9055** is an excellent choice for applications requiring high-performance, real-time control, and scalability in industrial automation. Its strengths lie in its reliability, TwinCAT integration, and industrial-grade build, making it ideal for motion control, CNC machines, robotics, and complex automation projects. However, the high upfront cost, learning curve, and dependency on the Beckhoff ecosystem may not justify its use for smaller or simpler applications.

### **Recommendation**

- You are working on a **motion control, CNC, or high-speed automation project** where TwinCAT s real-time capabilities are essential.

- Your application requires **scalability, EtherCAT integration, or deterministic performance**.

- You are already using **Beckhoff products** and want a seamless ecosystem.

- You can justify the **higher cost** with long-term efficiency gains.

- Your project is **simple and budget-constrained**, and a basic PLC (e.g., Siemens S7-1200, Allen-Bradley Micro800) would suffice.

- You lack experience with **TwinCAT or Beckhoff systems**, as training costs may outweigh benefits.

- You need **off-the-shelf availability and lower upfront costs**, as alternatives like industrial PCs from other vendors (e.g., Advantech, Moxa) may be more accessible.

For most **high-end industrial automation projects**, the BK9055 is a **strong, long-term investment**. For smaller or less complex applications, evaluating alternatives may be more cost-effective.

Details:

Call to use a shipping service other than the ones listed. Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. The product is used surplus. All products are guaranteed to be working but may show signs of use.

part #: bk9055 prices

• $95.00-$125.00

specifications sensoindustria:

• brand: Beckhoff
• mpn: Bk9055
• part type: Module

returns sensoindustria:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer
• method: Money back

offer sensoindustria:

• options: Ship-to-home
• started: March 2, 2026
• quantity: 1
• availability: In Stock
• sold: 0

general sensoindustria:

• condition: Used
• PLCs HMIs > PLC Peripheral Modules > PLC Input Output Modules

shipping sensoindustria:

• type: Fixed
• cost: $12.90
• transit: 2-4 Days
• class: Standard
• service: Standard

seller sensoindustria:

• rating: 99.6%
• # reviews: 192476
• city: 1 Millennium Dr, Willingboro, NJ 08046

payments sensoindustria:

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• credit card: Mastercard
• other

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