A-B 1756-L84ES
The A-B 1756-L84ES module is an important module in the ControlLogix series of controllers manufactured by Rockwell Automation (Allen-Bradley, A-B). It is a high-performance Ethernet adapter module designed to extend the communication capabilities of the ControlLogix control system to connect to other devices or networks.
Product name resolution
A-b: Allen-Bradley is A brand of Rockwell Automation.
1756: represents ControlLogix series products.
L84ES: indicates that the module is an Ethernet adapter module. ES stands for Ethernet Switch.
Product description
The main function of the 1756-L84ES module is to provide multiple Ethernet ports for connecting ControlLogix controllers and other devices, such as:
Other ControlLogix controllers: Establish redundant or extended networks between controllers.
EtherNet/IP devices: Connect various devices that support EtherNet/IP protocols, such as frequency converters, servo drivers, HMI, etc.
Other Industrial protocol devices: Devices that support other industrial protocols are connected through gateways or protocol converters.
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