ALLEN-BRADLEY Z-242 Cap Enet Module 1756-EN2TR

( Brand: Allen-bradley ), ( Manufacturer Part Number: Z-242 ), ( Part Type: Cap Module )

Review ALLEN BRADLEY Series Hi cap Enet Module

The **Allen-Bradley 1756-EN2TR Hi-Cap Ethernet Module** is a high-performance, industrial-grade networking solution designed to seamlessly integrate with the **CompactLogix 556x** and **CompactLogix 5380** control platforms, enabling robust and reliable Ethernet communication within demanding automation environments. This module serves as a critical bridge between PLCs and higher-level systems, such as SCADA, MES, or enterprise networks, by providing a dedicated Ethernet port with enhanced bandwidth and deterministic communication capabilities. Built to withstand the rigors of industrial settings, the 1756-EN2TR features a **Hi-Cap (High Capacity) design**, which allows it to handle increased data traffic and support advanced protocols like **CIP (Common Industrial Protocol)** and **EtherNet/IP**, ensuring smooth, real-time data exchange between control systems and field devices. Its compact yet rugged construction, with a **NEMA 4X-rated enclosure**, protects against dust, water splashes, and temperature fluctuations, making it ideal for harsh manufacturing, process control, or automation applications where reliability is non-negotiable. The module s **10/100 Mbps Ethernet interface** delivers high-speed connectivity, while its **integrated LED indicators** provide quick status monitoring for link, activity, and fault conditions, simplifying troubleshooting and maintenance. Whether deployed in a factory floor, a power generation facility, or a water treatment plant, the 1756-EN2TR ensures seamless communication between PLCs and external networks, enabling efficient data acquisition, remote monitoring, and centralized control all while adhering to the stringent performance and durability standards expected from Allen-Bradley s industrial automation solutions.

### **Pros and Cons of buying a Allen-Bradley Z-242 (1756-EN2TR Hi-Cap Ethernet Module)**

1. **High Performance and Reliability** The 1756-EN2TR is a high-capacity Ethernet module designed for demanding industrial applications. It supports full-duplex Ethernet communication, ensuring stable and high-speed data transfer between PLCs and other networked devices.

2. **Enhanced Networking Capabilities** This module provides two Ethernet ports (one standard and one high-capacity), allowing for redundant or load-balanced network connections. This improves fault tolerance and reduces downtime in critical systems.

3. **Compatibility with Rockwell Automation Systems** It integrates seamlessly with Allen-Bradley PLCs (such as the 1756 series) and other Rockwell Automation products, ensuring smooth operation within existing control networks.

4. **Support for High-Speed Data Transfer** The Hi-Cap version is optimized for applications requiring large data throughput, such as motion control, vision systems, or high-speed I/O communication.

5. **Redundancy and Fault Tolerance** The dual-port design allows for network redundancy, meaning if one port fails, the system can continue operating through the other, minimizing disruptions.

6. **Industrial-Grade Durability** Built to withstand harsh industrial environments, including temperature fluctuations, electrical noise, and mechanical stress, making it suitable for manufacturing, process control, and automation applications.

7. **Future-Proofing** Ethernet-based communication is a standard in modern industrial automation, ensuring compatibility with emerging technologies and software updates.

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1. **Cost** Compared to standard Ethernet modules, the 1756-EN2TR is more expensive due to its high-capacity features and redundancy capabilities. This may be a significant investment for smaller systems or budget-conscious projects.

2. **Complexity in Setup and Configuration** The dual-port and high-speed capabilities require careful network planning and configuration, which may demand additional expertise, especially for users unfamiliar with advanced Ethernet setups.

3. **Potential Overkill for Simple Applications** If the application does not require high-speed data transfer or redundancy, a simpler Ethernet module (e.g., 1756-EN2) may suffice, making the 1756-EN2TR unnecessary and costly.

4. **Limited Portability** This module is designed specifically for the 1756 series PLCs and may not be compatible with other brands or non-Rockwell systems without additional adapters or gateways.

5. **Maintenance and Support Dependence** As a proprietary Allen-Bradley product, troubleshooting or repairs may require access to Rockwell Automation s support resources, which could involve longer response times or higher costs compared to open-standard solutions.

6. **Power Consumption** High-performance modules like this may draw more power than standard Ethernet modules, which could be a consideration in energy-sensitive applications.

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The **Allen-Bradley 1756-EN2TR Hi-Cap Ethernet Module** is an excellent choice for industrial applications requiring **high-speed, reliable, and redundant Ethernet communication**. Its strengths lie in its **performance, compatibility with Rockwell systems, and robustness**, making it ideal for complex automation environments such as motion control, large-scale manufacturing, or critical process control.

However, its **higher cost, complexity, and potential over-engineering for simpler applications** may not justify its purchase for all users. If budget or application requirements are limited, a standard Ethernet module might be a more practical alternative.

- Your application demands **high-speed data transfer** (e.g., motion control, high-resolution I/O, or large file transfers).

- You require **network redundancy** to minimize downtime.

- You are already using **Allen-Bradley PLCs** and need seamless integration.

- Your environment is **industrial-grade**, and reliability is critical.

- Your application does not require **high-capacity or redundant Ethernet**.

- You are working with a **tight budget** and simpler networking is sufficient.

- You need **cross-platform compatibility** (non-Rockwell systems).

Ultimately, weigh the **performance needs, budget, and long-term operational requirements** to determine whether the 1756-EN2TR is the right fit for your project.

Details:

The Allen-Bradley 1756-EN2TR Series B Hi-Cap Enet module is a reliable and high-quality input designed for PLC systems in industrial automation. With its compact design and durable construction, the 1756-EN2TR Series B Hi-Cap Enet module is a valuable addition to any PLC system, offering seamless connectivity performance for wide range of industrial applications. Pulled from working machine.

part #: z242 prices

• $777.26-$900.00

specifications sensoindustria:

• brand: Allen-bradley
• mpn: Z-242
• part type: Cap Module

shipping sensoindustria:

• type: Fixed
• cost: $0.00
• carrier: USPS
• service: USPS Ground Advantage
• class: Standard
• transit: 4-7 Days

payments sensoindustria:

• wallet: Google-pay
• other
• credit card: Diners-club

general sensoindustria:

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

seller sensoindustria:

• city: Erie, Pennsylvania
• rating: 100.0%
• # reviews: 2696

returns sensoindustria:

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

offer sensoindustria:

• quantity: 1
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: May 30, 2026
• best offers: True

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