A-B 1756-DHRIO Output module

Product Detailed Description

• Function:

• Provides high-speed, real-time communication between ControlLogix processors and other EtherNet/IP-enabled devices.

• Facilitates data exchange with I/O modules, motor drives, other PLCs, HMIs, and higher-level enterprise systems (MES/ERP).

• Supports various communication types, including explicit messaging (for acyclic data), implicit messaging (for cyclic I/O data), and peer-to-peer communications.

• Enables distributed control architectures, allowing ControlLogix systems to manage devices across a plant or even multiple facilities.

• Supports various network topologies (star, linear, Device Level Ring - DLR).

• Key Features (Common to Modules like 1756-ENBT, 1756-EN2T, 1756-EN2TR, 1756-EN3TR):

• Ethernet Ports: Typically one or two RJ45 ports (e.g., 1756-ENBT has one, 1756-EN2TR has two). Dual-port modules support Device Level Ring (DLR) for network resiliency.

• Network Speed: Varies by module, from 10/100 Mbps (e.g., 1756-ENBT, 1756-EN2T) to 1 Gbps (e.g., 1756-EN3TR). Higher speeds enable faster data exchange and larger networks.

• ControlLogix Backplane Integration: Plugs directly into the ControlLogix chassis, leveraging the high-speed backplane for seamless data transfer to and from the processor.

• Built-in Web Server: Many modules include a web server for diagnostic information, configuration, and firmware updates via a standard web browser.

• CIP Sync: Supports Common Industrial Protocol (CIP) Sync for time synchronization across the network, crucial for applications requiring high precision.

• Producer/Consumer Model: Utilizes EtherNet/IP's producer/consumer model for efficient data exchange, reducing network traffic and latency.

• Security Features: Incorporates security enhancements like role-based access control, digital signatures, and encrypted communication to protect against unauthorized access and cyber threats.

• LED Indicators: Front-panel LEDs provide visual status of network activity, module health, and communication status.

Product Parameters

(Note: Parameters vary significantly between different ControlLogix EtherNet/IP module models. The following provides typical ranges for common modules like 1756-EN2T, 1756-EN2TR, 1756-EN3TR.)

• Part Numbers: Examples include 1756-EN2T (single port, 10/100 Mbps), 1756-EN2TR (dual port, 10/100 Mbps, DLR), 1756-EN3TR (dual port, 1 Gbps, DLR).

• Network Type: EtherNet/IP (CIP over Ethernet).

• Ethernet Ports: 1 or 2 RJ45.

• Network Speed: 10/100 Mbps or 1 Gbps.

• Communication Rate: High-speed real-time control, typical RPIs (Requested Packet Intervals) from 1 ms to hundreds of ms.

• Consumed Tags: Up to 250 consumed tags (typical for high-performance modules).

• Produced Tags: Up to 100 produced tags (typical for high-performance modules).

• Connections (CIP): Varies, e.g., up to 128 or 256 CIP connections.

• Power Consumption: Varies by module, typically between 5.1W and 6.5W.

• Current Draw (5.1V DC): Varies, e.g., 1000 mA to 1200 mA.

• Operating Temperature: 0°C to 60°C (32°F to 140°F).

• Storage Temperature: -40°C to 85°C (-40°F to 185°F).

• Relative Humidity: 5% to 95% non-condensing.

• Certifications: UL, c-UL, CE, RCM, KC, Marine (some models), and others depending on the specific module and region.

• Chassis Slot: Single slot (requires a ControlLogix chassis).

Product Advantages

• High Performance: Enables fast, real-time control and data exchange, crucial for demanding industrial applications.

• Scalability: Allows for easy expansion of automation systems by connecting numerous devices over EtherNet/IP.

• Network Resiliency: Dual-port modules with DLR provide network fault tolerance, minimizing downtime in case of a cable break.

• Seamless Integration: Fully integrated with Rockwell Automation's ControlLogix platform and Studio 5000 Logix Designer software, simplifying configuration and programming.

• Open Standard (EtherNet/IP): Being based on Ethernet and using CIP, it offers interoperability with a wide range of devices from different vendors.

• Unified Architecture: Supports a single network for both control and information data, simplifying network design and management.

• Enhanced Diagnostics: Onboard web server and LEDs provide valuable diagnostic information for troubleshooting and maintenance.

• Future-Proof: Rockwell Automation continuously updates and enhances its EtherNet/IP offerings, ensuring long-term viability and security.

• Robust Security: Built-in security features help protect industrial control systems from cyber threats.

Precautions

• Network Design: Proper network design is crucial. Consider network topology (star, linear, DLR), IP addressing scheme, subnetting, and potential for network congestion.

• IP Address Configuration: Ensure each module has a unique and correctly configured IP address within the network.

• Cabling: Use high-quality industrial Ethernet cables (e.g., Cat5e or Cat6) and connectors designed for industrial environments to ensure reliable communication.

• Grounding and Shielding: Proper grounding and shielding practices are essential to minimize electrical noise and interference.

• Firmware Compatibility: Ensure the module's firmware version is compatible with the ControlLogix processor's firmware and the Studio 5000 Logix Designer software version.

• Security Best Practices: Implement network segmentation, firewalls, and strong authentication practices to protect the industrial network. Regularly update firmware to address security vulnerabilities.

• Power Requirements: Verify that the ControlLogix power supply can adequately support the current draw of the communication module and all other modules in the chassis.

• Environmental Conditions: Install the module within its specified operating temperature and humidity ranges. Avoid excessive vibration.

Product Applications

Allen-Bradley ControlLogix EtherNet/IP Communication Modules are widely used across almost all industrial sectors due to their versatility and performance.

• Discrete Manufacturing:

• Automotive assembly lines.

• Packaging machinery.

• Material handling and conveying systems.

• Process Industries:

• Oil and Gas (refineries, pipelines).

• Chemical processing plants.

• Water and Wastewater treatment facilities.

• Food and Beverage production.

• Machine Control:

• Interfacing ControlLogix with smart devices like servo drives, robotic controllers, and vision systems.

• Building Automation:

• Controlling large-scale HVAC systems and building management.

• Power Generation:

• Controlling and monitoring power plant auxiliary systems.

• Mining and Metals:

• Controlling crushing, conveying, and processing equipment.

• Any application requiring:

• High-speed, real-time data exchange between PACs and distributed I/O.

• Integration with SCADA, MES, or ERP systems.

• Network redundancy for high availability.

• Seamless integration within the Rockwell Automation ecosystem.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapor

Express cooperation: fedex, DHL, UPS and your express account

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