• Allen-Bradley 1788-CNC
  • Allen-Bradley 1788-CNC
  • Allen-Bradley 1788-CNC
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Allen-Bradley 1788-CNC ControlNet Communication Daughtercard

Allen-Bradley 1788-CNC ControlNet Communication Daughtercard

Description

The Allen-Bradley 1788-CNC is a dedicated network communication interface module designed specifically for the FlexLogix 1794 controller platform. As an internal communication daughtercard, this module integrates directly onto the host...

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SKU: 1788-CNC
Proveedora: Allen-Bradley
tipo: Communication Module
Related Series:

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Description

The Allen-Bradley 1788-CNC is a dedicated network communication interface module designed specifically for the FlexLogix 1794 controller platform. As an internal communication daughtercard, this module integrates directly onto the host processor's main circuit board, providing deterministic, token-passing ControlNet network connectivity for non-redundant media architectures. It is ideal for mid-range automation applications, including localized assembly stations, food and beverage processing, and industrial pump skids.

Features

  • Direct Integration: Mounts directly to the internal communication interface headers of the FlexLogix controller, utilizing high-speed system buses for low-latency data transfer.
  • Network Capacity: Supports up to 32 concurrent scheduled or unscheduled network connections for seamless remote I/O management and peer-to-peer messaging.
  • ControlNet Connectivity: Operates at a 5 Mbps transmission speed using standard coaxial physical media.
  • System Efficiency: Offloads network communication tasks from the primary CPU execution cycle.

Applications

This module is designed for use in industrial environments requiring robust, deterministic network communication. Typical applications include:

  • Remote physical I/O drop integration.
  • Peer-to-peer interlocking between plant-floor controllers.
  • Programming terminal connectivity in localized automation cells.
  • Food and beverage processing and industrial pump control systems.

Technical Specifications

Model 1788-CNC
Brand Allen-Bradley
Product Line FlexLogix
Module Type ControlNet Communication Daughtercard
Network Rate 5 Mbps
Max Connections 32
Physical Media Coaxial (RG6)
Logic Power Draw 450 mA at 5 VDC
Operating Temperature 0 to 40 degC
Humidity 80% (Non-condensing)
Mounting Internal header plug-in

Installation Guidelines

  • ESD Protection: Always use a grounded wrist strap when handling the daughtercard to prevent electrostatic discharge damage to sensitive internal components.
  • Power Down: Ensure the host FlexLogix controller is completely powered down before attempting to install or remove the communication module.
  • Seating: Ensure the module is firmly seated into the dedicated internal header on the controller motherboard to maintain reliable bus contact.
  • Environment: This is an open-style module; it must be installed within a NEMA-rated or IP-rated industrial enclosure to protect against dust, moisture, and contaminants.
  • Cabling: Use only high-integrity quad-shield RG6 coaxial cable and approved network tap blocks to ensure signal integrity at 5 Mbps.

FAQ

Is the 1788-CNC compatible with redundant media ControlNet?

No, the 1788-CNC is designed specifically for non-redundant media architectures.

Does this module occupy a slot on the FLEX I/O rail?

No, it is an internal daughtercard that mounts directly to the host processor's motherboard, saving space on the external I/O rail.

What is the power requirement for this module?

The module draws 450 mA at 5 VDC from the host controller's internal power supply. This load must be factored into your total system power budget.