This document provides instructions for configuring a ProSoft Technology MVI56E-MCMR Modbus Communication Module. It outlines installing the module in a ControlLogix rack, connecting a PC to the module via Ethernet, installing the ProSoft Discovery Service software to access documentation on the module's web page, and using the ProSoft Configuration Builder software to configure the module. Key features of the MVI56E-MCMR like the personality card, web page, and LED display are also summarized.