Allen-Bradley (abbreviated as A-B) is a globally renowned manufacturer of industrial automation and control products. It is currently under the Rockwell Automation Group. The company was founded in 1903 by Lynde Bradley and Stanton Allen in Milwaukee, Wisconsin, USA. Initially, it focused on manufacturing motor controllers. After more than a century of development, Allen-Bradley has become a benchmark brand in the field of industrial automation, renowned worldwide for its high-quality PLCs (Programmable Logic Controllers), HMIs (Human-Machine Interfaces), frequency converters, servo systems, and industrial network solutions.
Sku: 1756-DHRIO
Country Of Origin: United States
Vendor: Rockwell Automation
Series: ControlLogix
Type: Data Highway Plus / Remote I/O Communication Module
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Product Description
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The Allen-Bradley 1756-DHRIO is a communication interface module designed for the ControlLogix platform, enabling connectivity between modern ControlLogix controllers and legacy Allen-Bradley Data Highway Plus (DH+) and Remote I/O (RIO) networks. The module serves as a communication bridge, facilitating data exchange and system integration across different generations of automation equipment.
The 1756-DHRIO features two independent communication channels that can be configured for DH+, Remote I/O Scanner, Remote I/O Adapter, or a combination of network modes. This flexibility allows users to migrate legacy PLC systems while maintaining compatibility with existing infrastructure.
Widely used in manufacturing, power generation, water treatment, mining, oil & gas, and industrial process control applications, the module provides a cost-effective solution for integrating legacy Allen-Bradley networks into ControlLogix architectures.
Provides two independently configurable communication ports.
Enables communication with legacy Data Highway Plus devices and controllers.
Supports both Remote I/O Scanner and Adapter operating modes.
Seamlessly integrates legacy networks into modern ControlLogix systems.
Helps reduce upgrade costs while preserving existing automation investments.
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