The Allen-Bradley 1756-EWEB is an Enhanced Web Server module from the ControlLogix product family developed by Rockwell Automation.
It provides a single RJ-45 Ethernet interface supporting 10/100 Mbps data transmission and allows users to remotely monitor and configure ControlLogix systems through standard web browsers.
The 1756-EWEB occupies one slot in the ControlLogix chassis and can be installed in either a local or distributed I/O rack.
Designed for industrial automation environments, it enables secure web-based access to diagnostics, system data, and controller status information over EtherNet/IP networks.