Excellent PLC
Introduction
The Allen Bradley 1756-EN2F is a high-performance EtherNet/IP communication module designed for ControlLogix systems. It enables fast and reliable Ethernet connectivity between ControlLogix controllers, HMIs, drives, and other industrial devices. The module supports standard EtherNet/IP protocols, allowing seamless integration into large-scale automation networks, real-time data exchange, and advanced diagnostics. It is ideal for applications requiring high throughput, deterministic communication, and networked control.
Technical Specifications
| Parameter | Specification | Description |
|---|---|---|
| Module Type | EtherNet/IP Communication Module | Provides high-speed Ethernet connectivity for ControlLogix systems |
| Ports | 2 × RJ45 (10/100 Mbps) | Supports daisy-chaining or dual-network configuration |
| Protocols Supported | EtherNet/IP, TCP/IP, UDP, DHCP, DNS, SNMP | Full compatibility with industrial and enterprise networks |
| Max Connections | 64 simultaneous connections | Supports multiple controllers, HMIs, and devices on the network |
| I/O Connections | Up to 16,384 bytes | Input and output data for connected devices |
| Update Rate | 1 ms typical | Fast communication for real-time control |
| LED Indicators | STATUS, LINK/ACT, PORT1, PORT2 | Diagnostic and network status feedback |
| Power Supply | 5.1 V DC (from ControlLogix backplane) | Module powered directly from chassis |
| Current Draw | 1.2 A typical | Consumed from backplane under normal operation |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) | Industrial operating range |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) | Non-operational storage |
| Relative Humidity | 5%–95% non-condensing | Suitable for industrial environments |
| Shock Resistance | 30 g operational | Complies with IEC 60068-2-27 |
| Vibration Resistance | 5–2000 Hz @ 1 g | Meets industrial-grade standards |
| Dimensions (H × W × D) | 145 mm × 55 mm × 125 mm (5.7″ × 2.2″ × 4.9″) | Standard 1756 series form factor |
| Weight | 0.45 kg (0.99 lbs) | Lightweight for easy installation in the rack |
Applications
The 1756-EN2F module is widely used in industrial networks and ControlLogix applications, including:
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Factory Automation – Connecting controllers, HMIs, drives, and sensors for coordinated control.
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Process Control – Real-time communication in chemical, food, and pharmaceutical plants.
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SCADA Systems – Ethernet connectivity for remote monitoring and data acquisition.
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Motion Control – Networked coordination of servo drives and positioning systems.
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Distributed Control Systems – Linking multiple ControlLogix chassis and I/O networks.
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Data Logging and Reporting – Facilitates high-speed transfer of I/O data to enterprise systems.
Advantages
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High-Speed Communication: 10/100 Mbps dual ports enable fast and reliable data transfer.
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Dual-Port Flexibility: Supports ring, daisy-chain, or redundant network topologies.
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Wide Protocol Support: EtherNet/IP, TCP/IP, and UDP for industrial and enterprise integration.
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Deterministic I/O Updates: Fast update rates for real-time control loops.
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Comprehensive Diagnostics: LED indicators and software diagnostics simplify troubleshooting.
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Seamless Integration: Compatible with all ControlLogix processors and chassis.
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Scalable Networking: Supports multiple simultaneous connections, ideal for large installations.
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Industrial Reliability: Designed for harsh environments with shock, vibration, and temperature tolerance.
