A-B 1756-CNBR,also known as the control bridge redundancy module,is a network communication module produced by Allen-Bradley.The following is a detailed introduction to A-B 1756-CNBR:
I.Product Overview
A-B 1756-CNBR is an important component of the ControlLogix system,mainly used to realize network communication between ControlLogix controllers and other devices.It allows ControlLogix controllers to communicate with other devices,such as other ControlLogix controllers,external input and output modules,Ethernet/IP devices,etc.,to achieve data exchange and control command transmission through the network.
A-B 1756-CNBR
II.Technical Features
Redundant Ports:A-B 1756-CNBR has two control network BNC ports(while ordinary 1756-CNB modules have only one),and a control network RJ45 port,supports redundant media,and enhances the reliability and stability of the system.
Data Bridging:This module controls scheduled data together with the Logix5550 controller,and bridges non-scheduled data between the ControlLogix backplane and the ControlNet network.
Connection capability:can handle up to 64 bidirectional scheduled and unscheduled connections with other ControlNet devices,and support 99 available nodes at the same time.
Multiple communication interfaces:The module usually has 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.
A-B 1756-CNBR
3.Application scenarios
A-B 1756-CNBR is widely used in the field of industrial automation and control systems,helping enterprises build complete industrial automation and control systems.It is suitable for network communication environments that require high reliability and stability,such as manufacturing,process industries,energy and utilities.
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