A-B 1734-AENTR l/O scanner

Product Detailed Description

• Functionality: The 1734-AENTR serves as the communication interface between the distributed POINT I/O modules and an EtherNet/IP network. It allows a Logix controller (e.g., CompactLogix, ControlLogix) or another EtherNet/IP scanner to access and control the discrete and analog I/O points connected to the POINT I/O modules. It manages the data exchange between the network and the I/O modules, enabling real-time control and data acquisition.

• EtherNet/IP Connectivity: Features a dual-port EtherNet/IP interface, supporting Device Level Ring (DLR) topology for network resiliency and redundancy. This ensures continued operation even if one network cable is cut or disconnected, improving system uptime. It also supports standard star and linear topologies.

• Modular I/O Expansion: It's the core communication component for the highly modular POINT I/O system. This system allows users to select and snap together various I/O modules (digital input, digital output, analog input, analog output, specialty modules) to create a custom I/O solution tailored to specific application needs.

• Compact Design: POINT I/O is known for its compact, space-saving design, making it ideal for installations where panel space is at a premium. The 1734-AENTR maintains this small footprint.

• DIN Rail Mountable: Designed for easy and secure mounting on standard DIN rails.

• Integrated Web Server: Includes an embedded web server for basic configuration, diagnostics, and status monitoring via a standard web browser. This can simplify setup and troubleshooting without requiring specialized software.

• CIP Sync Support: Supports CIP Sync (Common Industrial Protocol Synchronization) for time-critical applications requiring precise synchronization across the network. (Note: Specific capabilities may vary with firmware).

• Diagnostics: Provides comprehensive diagnostic indicators (LEDs) for network status, module status, and I/O status, aiding in rapid troubleshooting.

Product Parameters

(Note: These are typical parameters. Always refer to the latest Rockwell Automation documentation for the exact specifications of the 1734-AENTR.)

• Network Protocol: EtherNet/IP

• Network Topology Support: Device Level Ring (DLR), Linear, Star

• Number of EtherNet/IP Ports: 2 (RJ45 connectors)

• Ethernet Speed: 10/100 Mbps auto-negotiate

• Power Supply:

• Input Voltage: 24V DC nominal (range typically 10V to 28.8V DC)

• Power Consumption: Varies based on connected modules, typically a base power consumption plus module consumption. (e.g., 6.4W typical)

• POINT I/O Module Capacity: Supports up to 63 POINT I/O modules attached to the local bus.

• CIP Connections: Up to 128 TCP connections, 64 EtherNet/IP explicit messages connections.

• Current Draw: Max. 400 mA @ 24V DC (without modules connected).

• Field Power Input: Dedicated field power terminals for supplying power to I/O modules.

• Isolation: 500V DC or 710V AC peak (between network and logic/field power).

• Operating Temperature: 0°C to 55°C (32°F to 131°F)

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

• Humidity: 5% to 95% non-condensing

• Vibration: 5 g at 10-500 Hz

• Shock: 30 g (operating), 50 g (non-operating)

• Enclosure Rating: Open type (requires enclosure for protection)

• Certifications: UL/cUL, CE, RCM, KC, Marine (ABS, DNV GL), ATEX, IECEx (for hazardous locations, when properly installed).

Product Advantages

• Modularity and Flexibility: POINT I/O's core strength is its modularity. The 1734-AENTR allows users to precisely configure I/O points required for an application, reducing waste and allowing for easy expansion or modification.

• EtherNet/IP Integration: Seamlessly integrates with Rockwell Automation's Logix controllers (ControlLogix, CompactLogix) and other EtherNet/IP-enabled devices, simplifying system architecture and programming.

• Network Resiliency (DLR): Dual EtherNet/IP ports with DLR support provide robust network redundancy, critical for applications where uptime is paramount.

• Space Saving: The compact design of the POINT I/O system is ideal for installations with limited panel space.

• Simplified Wiring: Removable wiring terminals simplify installation and maintenance, allowing modules to be hot-swapped (where supported by the I/O module type) without disconnecting wiring.

• Built-in Diagnostics: Extensive LED indicators and web server diagnostics facilitate quick troubleshooting and minimize downtime.

• Cost-Effective: By allowing granular selection of I/O, it can be a cost-effective solution for distributed I/O compared to larger, fixed-count I/O blocks.

Precautions

• Proper Grounding: Ensure the 1734-AENTR and the entire POINT I/O system are properly grounded to prevent electrical noise and ensure safe operation.

• Power Supply: Use a stable and regulated 24V DC power supply within the specified voltage range. Insufficient or fluctuating power can lead to unreliable operation.

• Environmental Conditions: Install the adapter within its specified operating temperature and humidity ranges. If installing in harsh environments (e.g., high vibration, extreme temperatures, corrosive atmospheres), ensure the panel provides adequate protection.

• Network Configuration: Correctly configure the EtherNet/IP network settings (IP address, subnet mask, DLR) in the adapter and the connected controller. Incorrect network settings are a common cause of communication issues.

• Firmware Compatibility: Ensure the firmware version of the 1734-AENTR is compatible with the version of the Logix controller and Studio 5000 Logix Designer software being used.

• Module Capacity: Do not exceed the maximum number of I/O modules (63) that can be connected to a single 1734-AENTR.

• Hazardous Locations: If used in hazardous locations, ensure the module has the appropriate certifications (e.g., ATEX, IECEx) and that the installation strictly adheres to all relevant safety codes and standards for those environments. This typically involves installation within a certified enclosure.

• Wiring Practices: Follow good industrial wiring practices to prevent electrical interference and ensure reliable signal transmission. Use shielded cables for analog signals if required.

Product Applications

The Allen-Bradley 1734-AENTR is widely used across various industrial sectors for distributed I/O applications.

• Discrete Manufacturing:

• Assembly lines

• Packaging machinery

• Material handling systems (conveyors, robotic cells)

• Process Industries:

• Water/wastewater treatment plants

• Oil and gas facilities

• Chemical processing

• Food and beverage production

• Building Automation:

• HVAC control systems

• Access control and security systems

• Machine Control:

• Adding I/O points to machines in a flexible and modular way.

• Remote I/O:

• Collecting data from field devices in geographically dispersed locations within a facility.

• Energy Management:

• Monitoring sensors and controlling actuators for energy optimization.

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