Modbus MVI56E-MCM Commands

Introduction to the Modbus MVI56E-MCM Commands In this section, we’ll cover the Modbus MVI56E-MCM Commands. The MVI56E-MCM module is from the company Prosoft. This module is very good at interfacing the 1978 Modbus network into today’s world. We’ll discuss how to set the command structure for reading and writing Integers Read More »

Modbus Data Transfer

Modbus on ControlLogix Serial Port

Modbus on ControlLogix Serial Port An inexpensive way to run Modbus on ControlLogix Serial Port is with an RS232-RS485 Adapter. In short, download Rockwell’s sample code. Apply power to the adapter, and you will be up and running on Modbus! In this case, I’m using cheap Temperature and humidity sensors Read More »


ControlLogix Modbus

Introduction to ControlLogix Modbus In this document, we will walk through ControlLogix Modbus examples using the 1756-MVI56E module. The MVI56E-MCM modules allows connections between the Modbus network, and a ControlLogix processor. Before using the MVI module, we will need to set up the configuration such as the IP address for Read More »

Prosoft Modbus Module