ALLEN BRADLEY 2706-PENETM Communication Module 10/100BASE-T

( Brand: Allen Bradley ), ( Manufacturer Part Number: 2706-PENETM ), ( Part Type: Module )

Review ALLEN BRADLEY Series Communication Module 10/100base-t Used

The **Allen-Bradley 2706-PENETM** is a high-performance communication module designed to integrate seamlessly into Rockwell Automation s CompactLogix, ControlLogix, and other PLC systems, enabling robust and reliable industrial networking. This Ethernet communication module operates over **10/100Base-T** twisted-pair copper cabling, providing a versatile and cost-effective solution for connecting PLCs to enterprise networks, SCADA systems, or other industrial devices. Built with Allen-Bradley s signature reliability, the 2706-PENETM supports full-duplex Ethernet communication at speeds of up to **100 Mbps**, ensuring high-speed data transfer for real-time control applications. Its compact, modular design allows for easy installation within a CompactLogix or ControlLogix chassis, making it an ideal choice for both new installations and retrofitting existing systems. The module features **auto-negotiation** capabilities, automatically adjusting link speed and duplex settings to optimize performance with compatible Ethernet devices. Additionally, it includes **PoE (Power over Ethernet) support**, enabling power delivery to connected devices such as IP cameras, sensors, or other networked equipment, simplifying wiring and reducing installation complexity. With robust error detection and recovery mechanisms, including **CRC (Cyclic Redundancy Check) and collision handling**, the 2706-PENETM ensures data integrity and minimizes downtime in demanding industrial environments. Whether deployed in manufacturing, process control, or automation systems, this module delivers a dependable Ethernet connection, enhancing communication efficiency and system flexibility for modern industrial applications.

### **Pros and Cons of buying a Allen-Bradley 2706-PENETM (10/100Base-T Ethernet Communication Module)**

#### **Pros**

1. **Compatibility with PLC Systems** The 2706-PENETM is designed specifically for use with Allen-Bradley CompactLogix, ControlLogix, and other compatible PLC platforms, ensuring seamless integration into existing automation systems.

2. **High-Speed Ethernet Connectivity** Supports both 10/100 Mbps Ethernet, providing reliable data transmission for control, monitoring, and communication between PLCs, HMIs, and other industrial devices.

3. **Rugged Industrial Design** Built to withstand harsh environments, including temperature variations, vibration, and electrical noise, making it suitable for factory floors and automated processes.

4. **Easy Installation and Configuration** Plugs directly into a CompactLogix or ControlLogix processor slot, reducing wiring complexity. Configuration is straightforward using Rockwell Automation s Studio 5000 or RSLogix 5000 software.

5. **Redundancy and Reliability** Supports Ethernet/IP communication, a robust industrial protocol optimized for real-time control applications, minimizing downtime due to communication failures.

6. **Backward and Forward Compatibility** Works with newer CompactLogix processors while also supporting legacy systems, extending the lifespan of existing automation setups.

7. **Support for Advanced Features** Enables integration with SCADA systems, remote monitoring, and cloud-based solutions, enhancing overall system flexibility and scalability.

8. **Warranty and Technical Support** As an original Rockwell Automation product, it comes with manufacturer-backed warranties and access to technical support, ensuring long-term reliability.

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#### **Cons**

1. **Limited Availability and Lead Times** Being a legacy or discontinued part in some cases, sourcing may require purchasing from third-party suppliers, which could lead to higher costs or longer delivery times.

2. **Cost Compared to Alternatives** While functional, newer Ethernet modules (e.g., Allen-Bradley 1756-EN2T) may offer additional features (such as PoE or higher bandwidth) at a similar or lower price, making this module less cost-effective for new installations.

3. **No Built-in Redundancy Options** Unlike some high-end industrial Ethernet switches, this module does not support redundant network configurations (e.g., Ring or Star topology redundancy), which could be a limitation in critical applications.

4. **Software Dependency** Requires compatible Rockwell Automation software (e.g., Studio 5000) for full functionality, which may not be ideal for users working with third-party HMI or SCADA systems that lack full integration.

5. **Physical Slot Requirement** Occupies a slot in the PLC processor, which could be better utilized by other modules if space is limited in a compact system.

6. **No PoE (Power over Ethernet) Support** Unlike newer Ethernet modules, this module does not support Power over Ethernet, requiring separate power supplies for connected devices.

7. **Potential Obsolescence** While still functional, Rockwell Automation has shifted focus to newer platforms (e.g., CompactLogix 556x, ControlLogix 558x), which may lack direct support for this module in future software updates.

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### **Conclusion**

The **Allen-Bradley 2706-PENETM** is a reliable, proven communication module ideal for users with existing Allen-Bradley PLC systems requiring 10/100Base-T Ethernet connectivity. Its strengths lie in its compatibility, ruggedness, and ease of integration, making it a solid choice for maintenance or upgrade projects where backward compatibility is critical.

However, for new installations or applications requiring advanced features (such as redundancy, PoE, or higher bandwidth), newer alternatives may be more suitable. Additionally, sourcing challenges and the lack of cutting-edge features could be drawbacks depending on the specific use case.

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### **Recommendation**

- You are maintaining or upgrading an existing Allen-Bradley CompactLogix/ControlLogix system.

- You need a simple, reliable 10/100Base-T Ethernet connection without advanced redundancy requirements.

- You have access to compatible Rockwell Automation software for configuration.

- You are starting a new project and can afford a more modern module (e.g., 1756-EN2T or 1756-EN3T).

- Your application requires redundancy, PoE, or higher-speed connectivity.

- You anticipate long-term scalability and want to avoid potential obsolescence risks.

For most legacy systems or cost-sensitive applications, the **2706-PENETM remains a practical choice**. However, for new deployments, evaluating newer modules with expanded features may be justified. Always verify availability and compatibility with your specific PLC model before purchasing.

Details:

Item is sold as pictured. UPS Next Day AM. Prices for these options may differ from standard ground shipping.

The cost of combined shipping depends on weight, location buyer and size box. Allen-Bradley 2706-PENETM Series A Communication Module, Ethernet/IP, 10/100Base-T. UPS 2 Day Air AM. These services include: UPS 3 Day Select.

part #: 2706 prices

• $99.99-$350.00

specifications sensoindustria:

• brand: Allen Bradley
• mpn: 2706-penetm
• part type: Module

seller sensoindustria:

• # reviews: 27970
• rating: 100.0%
• city: Kawkawlin, Michigan

general sensoindustria:

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

offer sensoindustria:

• availability: In Stock
• started: April 10, 2026
• quantity: 1
• options: Ship-to-home
• sold: 0
• best offers: True

returns sensoindustria:

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

shipping sensoindustria:

• type: Fixed
• transit: 4-7 Days
• class: Standard
• cost: $0.00
• service: Standard

payments sensoindustria:

• credit card: Discover
• money order
• wallet: Google-pay
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