A-B 1756-CNBR,also known as AB 1756-CNBR or 1756-CNBR processor module,is an automation control module produced by Rockwell Automation(Allen-Bradley,referred to as AB)in the United States.The following is a detailed introduction to the product:

1.Product Overview

AB 1756-CNBR is usually used in ControlLogixPLC(Programmable Logic Controller)system,as a network communication module or control bridge redundancy module,it plays an important role in the ControlLogix system.

2.Functional Features

Communication interface:

The module has a variety of communication interfaces,such as Ethernet interface,control network interface,etc.,to achieve data exchange and communication with other devices and systems.

High-performance processing capability:

Equipped with a high-performance processor,it can handle complex control algorithms and real-time tasks to meet the requirements of industrial automation systems.

Programmability:

With programmability,parameter setting and function customization can be performed through programming or configuration software to meet different application requirements.

Multiple input/output interfaces:

Provide a variety of digital input/output interfaces and analog input/output interfaces to connect and control various sensors,actuators and external devices.

Reliability and stability:

With high reliability and stability,it can operate stably and long-term in industrial environments and provide reliable control performance.

Compatibility:

Compatible with other automation products and systems of AB,and can form a complete automation control system with other modules.

Redundant communication media support:

Supports redundant communication media to prevent communication loss when the splitter or relay line is disconnected.

Bridging function:

Controls scheduled data with the Logix5550 controller and bridges unscheduled data between the ControlLogix backplane and the ControlNet network.

Connection capacity:

Can handle up to 64 bidirectional scheduled and unscheduled connections with other ControlNet devices,and supports up to 99(some materials mention 20)buffers for unconnected messages.

III.Application field

AB 1756-CNBR is widely used in the field of industrial automation and control systems,helping enterprises build complete industrial automation and control systems,improve production efficiency,reduce costs,and ensure product quality and production safety.

 

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