Product Details
Overview
The Allen-Bradley 1756-ENBT/A is a high-performance ControlLogix Ethernet/IP communication module, engineered to provide reliable network connectivity for industrial automation systems. Supporting 10/100 Mbps Ethernet communication, it is suitable for demanding environments requiring robust, high-speed data transfer.
Technical Specifications
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Manufacturer: Allen-Bradley
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Product Line: ControlLogix
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Model / Part Number: 1756-ENBT/A
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Module Type: Ethernet/IP Communication Module
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Communication Rate: 10/100 Mbps
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Current Draw: 700 mA @ 5.1 V DC, 3 mA @ 24 V DC
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Power Dissipation: 3.7 W
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Thermal Dissipation: 12.6 BTU/hr
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Isolation Voltage: Continuous basic insulation for system protection
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Ethernet Port: 1 RJ45, Category 5 compatible
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Operating Temperature: 0°C to 60°C (32°F to 140°F)
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Storage Temperature: -40°C to 85°C (-40°F to 185°F)
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Relative Humidity: 5% to 95%, non-condensing
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Shock Rating: 30 G operating, 50 G non-operating
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Vibration Rating: 2 G, 10–500 Hz
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ESD Immunity: 6 kV contact discharge, 8 kV air discharge
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Surge Transient Protection: +2 kV line-to-earth (CM) on Ethernet ports
Key Features
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Reliable Ethernet/IP interface for ControlLogix systems
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High-speed 10/100 Mbps network performance
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Designed for industrial-grade shock, vibration, and ESD environments
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Single RJ45 port simplifies connectivity and cabling
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Low power consumption with efficient thermal management
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Compatible with Allen-Bradley ControlLogix chassis and controllers
Application Scenarios
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Network integration for ControlLogix PLCs
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High-speed communication between distributed I/O devices
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Factory automation requiring robust Ethernet connectivity
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Integration with HMIs, drives, and SCADA systems
FAQs
Q: What Ethernet speed does the module support?
A: The 1756-ENBT/A supports both 10 Mbps and 100 Mbps Ethernet networks.
Q: Is it suitable for harsh industrial environments?
A: Yes, it is rated for shock, vibration, ESD, and wide temperature ranges.
Q: How many Ethernet ports are available?
A: It provides a single RJ45 Ethernet port compatible with Category 5 cables.
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
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.
Understanding Safety Relays in Industrial Automation: Architecture, Operation, and Functional Safety
Standard electromechanical relays provide basic electrical isolation between low-voltage control circuits and high-power output loads. A traditional switching relay features a magnetic coil driving mechanical Common (COM), Normally-Open (NO), and Normally-Closed (NC) contacts. However, standard relays pose severe functional risks when deployed in critical safety interlock circuits. High current inrush or mechanical wear can weld contacts together permanently. If contact welding occurs in an emergency stop circuit, pressing the button fails to halt hazardous machinery movements. Consequently, global functional safety standards prohibit standard relays for critical machine guarding functions.
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.