Modbus Monitor XPF 

User's Guide

Modbus Monitor XPF application allows communication to Modbus devices using a Windows-based Personal Computer. The application is currently distributed in Microsoft Store and runs on the Windows Platform. The application can be downloaded and installed on a trial basis to try the features before purchasing the full license.

 The Modbus Monitor XPF application contains two applications in one and each application contains two communication options. The application contains Modbus Client and Modbus Server along with Serial and TCP options for each option. 

This guide helps you get started with the basic operation and covers some of the advanced scripting commands available for purchased applications.

Main UI

The Main Screen is divided into three parts (1)  Control Panel  (2) Navigation Panel (3) Monitor Point List Table

Home Tab






Monitor Points - Columns

Modbus Client (Tab)

The Modbus Master or Client Mode (tab) polls remote Modbus TCP or RTU devices and displays data in the selected format.

Interface - Settings


Time Out - Modbus Packets Timing

Write - Modbus Write Function Codes Settings

Scanner - Settings

Poll remote server to discover new Modbus Address or build Modbus Map for devices without public Modbus Maps.



Writes current Modbus Maps to remote server by sending write request for each Monitor Points in the Modbus Map list.  Be careful using this feature when using on critical systems as it my operate in unintended manner.


Clears the data in the Value Columns before starting the poll. 


Modbus Server or Slave can simulate devices. The Modbus Server can be started on the both Interfaces (TCP and Serial) simultaneously.

TCP Section (Modbus/TCP or UDP sever)

Serial Section (Modbus RTU)

Note: Modbus RTU Server can start on multiple COM ports at the same. 

Server (Start/Stop) 

Capture (Modbus Maps Wizard)

Modbus Sniff

Sniffs Modbus Map traffic and automatically builds Modbus Maps when Clients are making requests to this Server. Great when Modbus Maps are unknown or not available from Manufacturers.