Product Details
Product Description
The Allen-Bradley 1756-EN2T is a high-speed Ethernet/IP communication module designed for the ControlLogix platform. It provides secure and reliable network connectivity with support for 10/100 Mbps communication rates. Compact and versatile, it fits into any ControlLogix chassis slot and offers both RJ45 and USB interfaces for flexible integration.
Technical Specifications
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Manufacturer Allen-Bradley
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Product Line ControlLogix
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Product Type Ethernet Communication Module
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Part Number 1756-EN2T
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Weight 0.56 lbs (0.26 kg)
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Communication Rate 10/100 Mbps Ethernet/IP
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Integrated Ports 1 RJ45 Ethernet port, 1 USB 1.1 port
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Insulation Voltage 30 V continuous
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Current Draw 1 A
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Current Rating 1.2 A
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Power Dissipation 6.2 W
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Thermal Dissipation 21.28 BTU/hr
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Slot Width 1 (fits any ControlLogix chassis slot)
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Operating Temperature Range 0–60 °C (32–140 °F)
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Location ControlLogix chassis, any slot
Application Scenarios
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High-speed Ethernet/IP communication for ControlLogix controllers
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Integration of industrial devices into Ethernet-based networks
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Applications requiring dual interface connectivity (Ethernet + USB)
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Distributed control systems needing reliable communication modules
FAQ
Q: What communication speeds does the 1756-EN2T support? A: It supports 10 Mbps and 100 Mbps Ethernet/IP communication rates.
Q: Can this module be installed in any ControlLogix chassis slot? A: Yes, it is designed for installation in any available slot.
Q: What interfaces are available on the module? A: It includes one RJ45 Ethernet port and one USB 1.1 port.
Comparison with Similar Models
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1756-ENBT: Earlier Ethernet/IP communication module with lower performance.
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1756-EN2T: Enhanced version with higher efficiency and dual interface support.
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1756-EN3TR: Advanced model with redundant Ethernet ports for fault-tolerant networks.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Why Programmable Logic Controllers Drop into Stop Mode: An Expert Analysis
Industrial automation systems rely heavily on Programmable Logic Controllers (PLCs) to maintain uninterrupted production. When a PLC unexpectedly shifts from Run to Stop mode, whole manufacturing lines stall.
As control systems evolve across modern factory automation, understanding the root causes of these interruptions helps engineers minimize costly downtime. This technical guide breaks down why PLCs trip into Stop mode and provides practical strategies to mitigate system faults.
Understanding Root Causes of Unplanned PLC Stop Mode in Industrial Automation
Modern Programmable Logic Controllers manage execution through distinct operational states: Run, Stop, Start-Up, and Hold. During power-up, a controller initializes memory registers within Stop mode before briefly transitioning to Start-Up mode. During this phase, internal self-diagnostics evaluate system integrity across hardware and user programs. If the controller detects no critical faults, it enters Run mode to execute the control program continuously. However, any severe system anomaly forces the CPU back into Stop mode immediately to prevent erratic machine behavior across the plant floor.
Human-Machine Interface Design: Essential Guide to HMI Selection, Visualization, and Control System Integration
Human-Machine Interfaces (HMIs) serve as the primary operational window into complex industrial automation systems. Modern HMIs convert raw machine data into clear graphical displays, enabling operators to oversee entire manufacturing processes in real time. Instead of relying on physical control panels full of hardwired switches, engineers program interactive screens using intuitive graphics, dynamic color coding, and responsive touch interfaces. Over my 15 years in control systems engineering, I have observed HMIs transform from basic display screens into sophisticated command centers that drive operational efficiency across DCS and PLC environments.