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January 14, 2026
Category Connection: Allen Bradley PLC Controllers
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#allen bradley controller #Allen Bradley PLC Controllers #encoder interface module
Brief: We show the practical steps and results so you can judge suitability quickly. This video demonstrates the Allen-Bradley 1756-N2 ControlNet Module in action, showcasing its redundant media capabilities, 5 Mbps network speed, and 99-node capacity for industrial automation systems. You'll see how this communication module provides deterministic control and real-time data exchange in demanding environments.
Related Product Features:
  • Supports dual-redundant media with both coaxial and fiber optic connections for high availability systems.
  • Operates at 5 Mbps network speed for real-time industrial control and deterministic communication.
  • Supports up to 99 nodes per network with configurable network update time from 2-100 ms.
  • Provides 500V AC isolation and IP20 protection for reliable operation in industrial environments.
  • Supports multiple connection types including I/O, produced/consumed tags, and explicit messaging.
  • Features comprehensive LED status indicators for monitoring module and network health.
  • Designed for ControlLogix chassis with international certifications including cULus, ATEX, and CE.
  • Enables flexible network topologies including trunkline/dropline, star, and tree configurations.
FAQs:
  • What is the maximum number of nodes supported by the 1756-N2 ControlNet Module?
    The Allen-Bradley 1756-N2 ControlNet Module supports up to 99 nodes per network, making it suitable for large-scale industrial automation systems requiring extensive device connectivity.
  • What types of media connections does this module support?
    This module supports redundant media connections including both coaxial (using BNC connectors) and fiber optic (using ST connectors) options, providing flexibility for different industrial network installations.
  • What are the power consumption requirements for the 1756-N2 module?
    The module requires maximum 700 mA at 5V and 40 mA at 24V from the ControlLogix chassis backplane, with power consumption varying based on connection count and network activity.
  • What software is required to configure the ControlNet network?
    The 1756-N2 module must be configured using RSNetWorx for ControlNet software, which handles network scheduling, node addressing, and bandwidth allocation for optimal performance.
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