• Allen-Bradley 1756-DNB/E
  • Allen-Bradley 1756-DNB/E
  • Allen-Bradley 1756-DNB/E
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Allen-Bradley 1756-DNB/E DeviceNet Scanner Module

Allen-Bradley 1756-DNB/E DeviceNet Scanner Module

Description

The Allen-Bradley 1756-DNB/E (Series E) is a high-performance DeviceNet scanner module designed for the ControlLogix automation platform. This module serves as a robust communications gateway, facilitating seamless data exchange between...

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SKU: 1756-DNB/E
Vendor: Allen-Bradley
Category: Communication Module
Related Series:

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Authenticity & Warranty

  • Genuine Guarantee: We supply only 100% original, brand-new, and factory-sealed industrial automation parts.
  • Full Coverage: Every component is backed by a 12-month comprehensive warranty from the date of purchase.
  • Traceability: All products come with original factory documentation and accessories for full industrial compliance.

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Description

The Allen-Bradley 1756-DNB/E (Series E) is a high-performance DeviceNet scanner module designed for the ControlLogix automation platform. This module serves as a robust communications gateway, facilitating seamless data exchange between the ControlLogix controller and distributed field devices on a DeviceNet network. As a Series E revision, it offers improved processing capabilities and firmware reliability, supporting up to 64 nodes per scanner. It is widely utilized in industrial environments for managing complex I/O, device diagnostics, and network-wide data mapping.

Features

  • Supports up to 64 DeviceNet nodes per module.
  • Integrated USB port for local configuration and diagnostic access without interrupting backplane communication.
  • Adaptive auto-baud rate detection for optimized network performance based on cable length.
  • Supports standard DeviceNet trunk-line and drop-line topologies.
  • Compact single-slot design for standard ControlLogix chassis integration.

Applications

This module is engineered for demanding industrial automation tasks, including automated assembly lines, material handling systems, and large-scale process control plants where distributed I/O management is critical.

Technical Specifications

Model 1756-DNB/E (Series E)
Network Capacity 64 Nodes
Data Rates 125 Kbps, 250 Kbps, 500 Kbps
Backplane Current 400 mA at 5.1 VDC
External Power 11-25 VDC
Power Dissipation 3.5 Watts
Thermal Dissipation 11.9 BTU/hr
Weight 0.26 kg

Installation Guidelines

  • Ensure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.
  • The module occupies one standard slot in a ControlLogix chassis.
  • Use shielded twisted-pair cabling for DeviceNet connections to minimize EMI interference.
  • Maintain proper grounding practices for the DeviceNet network to ensure signal integrity.
  • Ensure adequate airflow within the cabinet to maintain operating temperatures within specified limits.
  • Handle the module using ESD-safe practices to prevent damage to sensitive internal components.

FAQ

Q: Does the 1756-DNB/E support hot-swapping?
A: Yes, the ControlLogix platform supports Removal and Insertion Under Power (RIUP) for this module, provided the chassis power supply is rated for the load and safety protocols are followed.

Q: Can I use the USB port while the module is active on the network?
A: Yes, the onboard USB port is designed for local configuration and diagnostics and operates independently of the backplane data transfer, allowing for maintenance without stopping the process.