Quickmod Modbus Scanning — Tool

When standard polling fails, you can manually craft a Modbus PDU (Protocol Data Unit). For example, typing 01 03 00 00 00 01 forces a read of Holding Register 1 on Slave ID 1. This is invaluable for testing obscure devices.

QuickMod does not save connection profiles natively in older versions. Keep a text file with your COMx, 9600, E, 8, 1, Slave ID 1 settings for each machine. quickmod modbus scanning tool

Modern automation environments are hybrid ecosystems. You might have legacy RS-485 chains sitting next to modern Ethernet switches. QuickMod handles both effortlessly. When standard polling fails, you can manually craft

Rapidly verifying that a new sensor or PLC is communicating correctly before integrating it into a larger network. QuickMod does not save connection profiles natively in

is a Windows-based software utility designed to act as a Modbus Master. Its primary function is to scan, read, and write data to Modbus slaves (servers) on a network.

Compatible with Modbus RTU over serial interfaces (RS-232, RS-422, RS-485), as well as Modbus RTU over Ethernet and Modbus TCP.

Runs on any DAQFactory installation (Express, Trial, or Pro)