ComTest Pro

Communication Software for Modbus RTU and TCP devices

Comtest Pro

Download Software (ZIP 10.5 MB)

Compatible with Windows XP or higher

Installation: Unzip File to Temporary Folder and run setup.exe

This complementary program allows users to test and troubleshoot Modbus RTU and Modbus TCP communication by sending single or multiple read or write commands to the connected device. The software offers comprehensive data-logging, data-formatting and error checking features.

Software Requirements

  • Windows PC running XP or higher
  • Minimum of 20 MB of free disk space
  • Serial Port or Ethernet Port

Features

  • Serial communication baud rates up to 230.4K
  • Loop / Repeat Command
  • Communication via Serial or Ethernet
  • Advanced Error Checking Dialog
  • Support for MODBUS RTU and MOBUS/TCP
  • Independent Valid, Error and Time-Out counter with reset function
  • Decimal/Hexadecimal logging
  • Save log file in text or rich text format (color coded)
  • Read Holding Registers (0x03) w/ customizable function codes
  • Valid Response Counter with independent Reset Function
  • Write Single Holding Register (0x06) w/ customizable function codes
  • Error Response Counter with independent Reset Function
  • Write Multiple Holding Registers (0x10) w/ customizable function codes
  • Time-out Response Counter with independent Reset Function
  • Detailed logging with date and time step
  • Error message suppression function
  • Write function support for up to 128 data registers
  • Comprehensive error checking
  • Read function support for up to 128 data registers
  • Adjustable Response Delay Time
  • Raw data view selectable Hex/Dec
  • Adjustable Transmission Delay Time
  • Read or Write a range of user specified registers
  • Selectable RTS Control Selectable
  • Read or Write registers auto-color for valid and error response
  • Selectable Echoback Suppression
  • Reverse CRC Support
  • Comprehensive Help File