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Allen-Bradley 1756-EN2F
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1756-EN2F is a robust ControlLogix EtherNet/IP fiber interface module engineered to deliver high-speed, noise-immune communication for demanding industrial environments. This module is an essential component for extending your ControlLogix system's reach and ensuring reliable data transfer over long distances or in areas prone to electrical interference. By leveraging fiber optic technology, the 1756-EN2F provides a secure and stable communication backbone for your critical automation processes, supporting efficient data exchange at 10/100 Mbps with ample capacity for up to 128 TCP/IP connections.Key Features Fiber Optic Connectivity: Provides superior immunity to electromagnetic interference (EMI) and radio frequency interference (RFI), making it ideal for deployments in harsh, electrically noisy industrial settings and for extended communication spans. High-Speed EtherNet/IP Communication: Facilitates seamless integration with Rockwell Automation control systems and other EtherNet/IP-enabled devices, supporting 10/100 Mbps Ethernet speeds for efficient and rapid data transfer. Extensive Connectivity: Boasts support for up to 128 simultaneous TCP/IP connections, enabling a large number of devices to communicate concurrently on your network without bottlenecks. ControlLogix System Integration: Specifically designed for effortless installation within standard ControlLogix 1756 chassis, ensuring full compatibility and optimal performance within your existing architecture. Enhanced Network Reliability: Fiber optic technology minimizes data loss and communication errors, offering a highly reliable and secure network infrastructure for critical industrial applications. Long-Distance Communication: The inherent properties of fiber optics allow for significantly greater communication distances compared to traditional copper cabling, expanding your system's physical footprint. Technical Specifications Product Type: EtherNet/IP Communication Module / Fiber Interface Catalog Number: 1756-EN2F Series: ControlLogix Communication Protocol: EtherNet/IP Ethernet Speed: 10/100 Mbps Fiber Optic Connector Type: (Please refer to documentation for specific connector type: commonly ST or SC) Maximum Number of TCP/IP Connections: 128 Media Type: Multimode or Singlemode Fiber (Please refer to documentation for specific media type compatibility) Maximum Distance: (Please refer to documentation for maximum supported distance, which varies based on fiber type) Backplane Current Load: (Please refer to documentation for backplane current load, crucial for power supply sizing) Power Consumption: (Please refer to documentation for precise power consumption details) Operating Temperature: (Please refer to documentation for specified operating temperature range) Module Width: Typically occupies a single slot in the ControlLogix chassis. Applications Extended ControlLogix System Connectivity: Ideal for linking ControlLogix systems across significant distances within large facilities or distributed industrial networks. Noise-Prone Industrial Environments: Provides robust and reliable communication in areas with high levels of electromagnetic interference (EMI) or radio frequency interference (RFI). High-Bandwidth Data Transfer: Suited for applications requiring rapid and substantial data exchange, ensuring smooth operation of critical processes. Critical Infrastructure: Essential for building highly reliable and secure communication networks in critical infrastructure applications where uptime and data integrity are paramount. Process Control and Automation: Enhances the connectivity and stability of distributed control systems and automated processes across various industries. Why Choose This Model?The 1756-EN2F leverages fiber optic technology to deliver communication that is virtually immune to electrical noise, ensuring consistent and dependable operation.Order NowTo order the Allen-Bradley 1756-EN2F, please contact our sales team for availability and pricing.FAQWhat is the primary benefit of fiber optic communication in industrial settings?Fiber optic communication offers superior immunity to electrical noise (EMI/RFI), making it highly reliable in harsh industrial environments and capable of extended transmission distances compared to traditional copper cabling.How many TCP/IP connections does the 1756-EN2F support?The 1756-EN2F supports up to 128 simultaneous TCP/IP connections, facilitating extensive device communication on your network.Is this module compatible with existing ControlLogix systems?Yes, the 1756-EN2F is specifically designed for seamless integration into standard ControlLogix 1756 chassis, ensuring full compatibility.
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Allen-Bradley 1756-EN2F
Overview
This is a genuine Allen-Bradley component from the ControlLogix family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Allen-Bradley catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Allen-Bradley automation ecosystem
- Engineered to integrate inside ControlLogix installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the ControlLogix family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Product Type: EtherNet/IP Communication Module / Fiber Interface
- Catalog Number: 1756-EN2F
- Series: ControlLogix
- Communication Protocol: EtherNet/IP
- Ethernet Speed: 10/100 Mbps
- Fiber Optic Connector Type: (Please refer to documentation for specific connector type: commonly ST or SC)
- Maximum Number of TCP/IP Connections: 128
- Media Type: Multimode or Singlemode Fiber (Please refer to documentation for specific media type compatibility)
- Maximum Distance: (Please refer to documentation for maximum supported distance, which varies based on fiber type)
- Backplane Current Load: (Please refer to documentation for backplane current load, crucial for power supply sizing)
- Power Consumption: (Please refer to documentation for precise power consumption details)
- Operating Temperature: (Please refer to documentation for specified operating temperature range)
- Module Width: Typically occupies a single slot in the ControlLogix chassis.
Applications
- Extended ControlLogix System Connectivity: Ideal for linking ControlLogix systems across significant distances within large facilities or distributed industrial networks.
- Noise-Prone Industrial Environments: Provides robust and reliable communication in areas with high levels of electromagnetic interference (EMI) or radio frequency interference (RFI).
- High-Bandwidth Data Transfer: Suited for applications requiring rapid and substantial data exchange, ensuring smooth operation of critical processes.
- Critical Infrastructure: Essential for building highly reliable and secure communication networks in critical infrastructure applications where uptime and data integrity are paramount.
- Process Control and Automation: Enhances the connectivity and stability of distributed control systems and automated processes across various industries.
Why Choose the 1756-EN2F?
The 1756-EN2F leverages fiber optic technology to deliver communication that is virtually immune to electrical noise, ensuring consistent and dependable operation.
Availability & Shipping
- ▸In stock: 1756-EN2F ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 1756-EN2F ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
Machine down? We ship parts the same day.
New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.