Free serial port monitor windows 7 64

Free software serial port monitor, Com Rs232 sniffer with communication packet data analyzer. This monitoring utility can spy, capture, view, analyze, test com ports activity performing com port connection and traffic analysis with data acquisition and control. You can use this system as device interface testing tool, modem data transfer viewer and so on.

Serial Monitor can be successfully used for monitoring data flow between serial devices and Windows application, debugging com port connections, developing, reverse-engineering and implementing serial protocol, serial device driver development, serial hardware development, research the functionality of any third-party software and hardware, testing software and hardware.

Free Serial Port Monitor can be successfully used by programmers, beta-testers, software developers, hardware engineers, IT support specialists, industrial control personnel, SCADA software engineers, science technicians, systems integrators, consultants, lab experts, University students.

RS232 standard is popular in many scientific directions and is widely used for lab equipment, quality and process controllers, various sensors, measuring tools, etc. However, you may experience some issues while trying to analyze serial port activity. A number of aspects have to be taken into consideration: hardware and cabling, communication settings and protocols. To be able to perform COM monitor activities successfully and detect any issues with serial data, you’ll need a reliable serial port sniffer with a comprehensive RS232 activity log.

1. Serial Port Monitor by Eltima Software

First on our list is Serial Port Analyzer — a high-quality COM port sniffer product that can log, display and help you analyze RS232/422/485 port activity in the system. Getting all the data from this useful app allows for quality application and driver development, as well as testing and debugging of COM port devices. No additional hardware is required for RS232 port Monitor solution by Eltima. There are Standard and Professional editions depending on your needs.

With RS232 Analyzer you can connect to ports that are already open and start monitoring at once. Data is captured in real-time and displayed conveniently. Data packets are easy to compare. You can record IOCTLs with all the details and parameters.

This COM port sniffer can monitor several ports at once so users can get the data on how apps interact with several serial devices within a session. The collected data can be viewed as table, line, dump or terminal, with sump view being able to show binary, ASCII data and port settings. Another great feature this serial port testing software offers is emulating data transmission to a serial device so you can see and analyze the reaction of a device to certain commands and data. You can send string, binary, octal, decimal, hexadecimal, or mixed data.

The popular Modbus RTU and Modbus ASCII protocols are fully supported with all essential filters for the most effective analysis.

Serial Port Analyzer is the most precise RS232 testing software thanks to the possibility to reproduce the monitoring session in order to review certain port behavior with the same parameters used in different conditions.

The software comes with a comprehensive help system and intuitive interface, which makes it fairly simple to use.

With free serial port monitoring you can connect to real or virtual COM port and monitor the transmitted data. Specify the textual content record to keep all intercepted records to for your analysis. RS232 Logger will show how many bytes are saved in the log file and all records logged from the serial port in a complete way.

Serial Port Monitor customer’s feedback
When trying to build a custom dashboard for a third party Li-Ion Battery Management System based on Texas Instruments BQ76940 and Atmel 8-bit line of microcontrollers, the integrated circuit manufacturer provided a «brief» description of the communication protocol. This description wasn’t enough or complete, so analyzing the protocol transmitted while using the manufacturer provided Windows based dashboard was a must. Eltima’s Serial Port Monitor with the capability of «sniffing» open serial ports on Windows platform was the best tool to do the job. Now I can see in realtime the protocol flow and understand the documentation, saving me a lot of trial and error while programming. I’m very happy of having found this piece of software.

Eduardo Roldan (Linux Expert, DIYer, EV Enthusiast)

2. Advanced Serial Port Monitor

Advanced Serial Port Monitor is perfect for performing serial monitoring of the peripheral devices connected to your computer. The free Serial Port Logger lets you connect with up to 255 physical and virtual serial ports and save data transmission information to a file. Analysis of your serial traffic can be done at any time by accessing the saved data.

COM port data logging

This application is easy to use RS232 monitoring tool with a user-friendly interface. Simply choose the COM port you want to monitor and specify its parameters, select a file to store monitoring results, and click the “Start” button.

Collecting real-time serial data

As soon as you connect a serial device to a computer you can begin to monitor its data flow. Advanced Serial Port Monitor allows you to study the details of serial traffic and ports when used with scanners, meters, and any other type of device that connects to your machine through a COM interface.

3. Free Serial Protocol Analyzer by HDD Software

Another software solution, without any hardware needed. Free Serial Port Monitor can intercept, display and analyze data exchange between a device and a serial application. Also a useful solution for software, device driver or serial hardware development that helps you test, debug, and optimize your product. It will dig into data flows and protocols and display everything in a comprehensive way.

With this program, you’ll be able to capture data and serial input/output control codes (IOCTLs) going through a COM port.

Free Serial Protocol Analyzer provides users working with COM ports with a full set of information — the app allows formatting data into different kinds of output. What’s more, it offers emulation of data sending on behalf of a monitored app. This option will clearly help you better check the reaction of a COM port to some particular data.

What is also convenient is that the software allows searching for a text in a Data View, Request View, and Console View. Plus, it’s possible to change the way the hex data displayed in Request View and Data View.

4. SerialMon

SerialMon is a free RS232 port analyzer for Windows that takes up little space. It can monitor serial port communication through software or with a simple hardware solution. Supports ABB RP570, ABB SPA-bus and NMEA 0183 protocols.

5. Portmon for Windows

Portmon can monitor and display all serial port activity in a system. Also a good tool for tracking down possible issues with apps or devices configurations and analyzing serial port usage by the apps. This solution offers remote monitoring. You can monitor many remote computers at the same time. Multiple filters help you see the data conveniently and analyze it faster. This COM monitor can export captured data to a file like the previously reviewed solutions.

Portmon for Windows
Thank you for reading our top serial monitor tools selection. Whatever you are working on, choose a reliable and best performing piece of software to achieve the most satisfying results. To find out the most comprehensive solution for your needs, read the overview of Serial Port Monitor utilities.

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The engineers at Electronic Team developed this application to answer the question of how to monitor RS232 communication with a host of features that are essential for those developing or debugging serial applications or devices. Some highlights are:

• The ability to open and monitor a port already opened by another application.
• Four different data views. See your data in table, line, dump or terminal mode. You can also see all modes at the same time in the display window
• Flexible and user-friendly interface that allows easy access to your serial ports without the need for any programming skills.
• Playback and session comparison lets you repeat the exact commands or data sent to a device and automatically displays the differences between sessions.
• Monitor multiple ports within one monitoring session.
• Send monitored data to files or the clipboard for easy analysis.
• Allows to log and analyze Modbus RTU and ASCII protocols.
• Fully supports all Windows versions including Windows 10.

This professional-grade serial monitor will become an essential part of your toolbox when working with serial applications and devices.

Free Serial Port Monitor

Free Serial Port Monitor is a RS-232 protocol analyzer that provides you with a simple and effective way to sniff the incoming data from both virtual and real serial ports. All the data captured by this RS-232 interface software can be logged to a dedicated text file for further analysis.

The interface of FREE Serial Port Monitor is very user-friendly. So, to start your monitoring session you’ll need to:

1. Select a serial port
2. Choose a file for serial communication data to be logged to
3. Define RS-232 port’s parameters
4. Click «Start».

Main benefits of using FREE Serial Port Monitor as your RS-232 analyzer:

• Perfect for the virtual environment: You can easily install FREE Serial Port Monitor on your VM (Hyper-V, VMware, etc.) and use it whenever you’ll need to test a serial port or learn more about its operation.
• Real-time serial data collection: Using FREE Serial Port Monitor you can collect data from any type of device plugged into your machine’s COM-port. This RS-232 serial communication software is clearly the simplest and easiest way to learn everything there is to know about serial port’s work!
• Simultaneous data reading: FREE Serial Port Monitor can capture data from up to 256 serial ports at the same time.
• No unnecessary costs: This software is totally free!

SerialMon

SerialMon is a freeware application that enables you to monitor or sniff RS232 serial ports from the Windows OS. It can be run strictly as a software solution or used in conjunction with simple hardware cabling attached to the equipment you desire to monitor.

It is a small software package that will not take up any significant resources on your computer. It serves as a protocol analyzer for the ABB RP570, ABB SPA-bus, and NMEA 0183 protocols.

Free Serial Protocol Analyzer by HDD Software

Here is another free software tool that is designed to run on older versions of Windows and will allow you to display and analyze data exchanged between an application and a serial device. It was developed by professionals experienced in serial device architecture and can be a powerful tool for development, debugging, and optimizing serial applications.

One drawback to this software package is that it does not support the newer versions of the Windows OS. This makes the tool less useful than others that support Windows 10. It is worth a look if you are using Windows 2000, Vista, or other older Windows versions.

Portmon for Windows

Portmon for Windows lets you monitor and display both serial and parallel port activity on legacy versions of the Windows OS. It is meant to be run on WinNT, Windows 95, and Windows 98.

The package has a number of useful features that increase its utility for serial device or application developers. The tool supports remote monitoring across the network and lets you capture your monitoring sessions to a file for later analysis.

This tool will help you understand how RS232 serial communication works with its advanced filtering and search capabilities. You can copy a line from your output window to the clipboard for use in other programs and can set highlight colors for a more user-friendly display.

Top hardware solutions for RS-232 monitoring

RS-232 monitor hardware was purposely designed for engineers to detect and resolve emerging network issues. With the right hardware tool, you can perform an in-depth study of a serial port application’s performance to catch out any software and hardware communication errors.

The top two of hardware RS-232 port analyzers are:

Versa Tap™ by Stratus Engineering

Versa-Tap is well-liked amongst many professional engineers for its unmatched data-logging and analyzing capacity.

Main benefits of using Versa Tap for serial data capturing are:

• High usability: Hassle-free and quick hardware installation thanks to the screw-terminal communication interface connection.
• Instant USB access: If your host is an MS Windows machine, you’ll have access to USB devices by default
• Windows solution: There are drivers available for all MS Windows operating systems starting from MS Windows 2000 (MS Windows 2000/XP/Vista/7/10 x32 and x64)
• Max. supputrted baud rate is 2 Mbps
• Minimal cabling.

And, considering synchronous HDLC analysis and microsecond time-tagging of every “handshake” and all data communication in general, it is no question that Versa-Tap is the Rolls-Royce of hardware solutions for RS-232 monitoring. It’s a perfect combination of expert analysis, precise data-logging, and top-of-the-line electronics.

IO Ninja Serial Tap by Tibbo

Serial Tap is a simple and effective hardware tool intended for use together with the IO Ninja software app. With its help, you can record data from RS-232, RS-485, and TTL-level UART communications.

The set-up process is pretty much straightforward. Just follow these steps:

1. Use a USB cable to attach the Serial Tap hardware to your PC.
2. Run the IO Ninja app and select your sniffer on the list.
3. Define the baud rate of the serial communication you want to monitor.
4. Click Capture

Now, it’s all set and you can use the app to view serial communication data in real time. On top of that, you’ll be able to keep track of all the status and control line changes.

2. How can RS232 Protocol Analyzer help developers perform tasks?

Without the use of an RS232 monitoring tool, it is difficult to check the data flow between a serial port and a computer. By employing such a tool, the user can easily display, log, monitor, and analyze the serial port activity of their system. There are a number of ways that an RS232 port monitor can assist developers and make their jobs easier. Among them are:

• A serial monitor lets you monitor multiple serial ports at the same time

Use of an serial monitor allows you to evaluate multiple serial ports simultaneously. This ability lets you see your system in its entirety at one time rather than having to test each port or device individually. This can save time and give you a better picture of your overall system performance as it relates to serial devices.

• A COM monitor means you do not need to use extra cabling

Using an RS232 monitoring software application removes the requirement for extensive cabling to be employed. This can save money as well as reducing clutter in your office. Usually, if you are using RS232 monitoring hardware you will need expensive cables that will quickly become a nightmare to manage. Saving on the expense and hassle of cabling is an excellent reason for using a software solution like Serial Port Monitor by Electronic Team, Inc.

• Latency and time-tagging issues can be minimized with a serial monitor

Time-lag issues and latency are minimized with a serial port monitor. Traditional COM port monitoring solutions often leave developers experiencing latency and time-lagging issues that make their monitoring tasks more difficult. A quality serial monitor can help eliminate these issues by presenting the monitoring information in a user-friendly manner and allowing the user to save monitoring data to a file. Time-stamping of data transmission and handshaking events make it easy to analyze your monitoring results at your convenience.

• A COM monitor can be used by anyone. No programming experience is required

COM monitors typically require no programming skills to be used effectively. Installation is usually straightforward and can be done by anyone with basic computer skills. Once the tool is installed all of your serial port traffic will be monitored and can be analyzed by the proper personnel at any time.

• Many diverse industries and business will find a serial monitor useful

RS232 monitors are useful to businesses in almost any industry. One of the driving forces of any business is to gain a competitive edge in its area of expertise. One way to gain an advantage over your competitors is by saving time and money in your daily operations.

Using RS232 port monitor utility can save time for your developers and money by eliminating the need for any additional hardware when working with your serial devices and applications. Companies in industries as diverse as communications, semiconductor manufacturing, design services, and industrial instrumentation all have taken advantage of RS232 monitoring software. Companies of any size can benefit from this software, and its use can help smaller companies compete with their larger competitors.