Download Serial Communication and Data Logging Software
Windmill ComDebug: serial communication software lets you log data from almost any instrument connected to your PC's COM or TCP/IP port.
Windmill are pleased to release a new version of our ComDebug program which lets you communicate with almost any RS232, RS422, RS485, Modbus or TCP/IP device. What's more, it's free! Its extensive trouble-shooting capabilities make it ideal for solving comms problems, or for quickly checking that you can communicate with your instrument before starting to automatically acquire data. The new version lets you enter and display data in Hexadecimal, ASCII or binary format; works with Windows 8, 7 64-bit, as well as other versions of Windows; and can log data to disk from your serial instrument: laboratory balance, GPS, pH electrode, data logger, etc.
Download a Free Copy of ComDebug
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- No programming required
- Free technical support for life
- For instruments communicating over RS232, RS422, RS485, Modbus and TCP/IP
- Understands ASCII, binary and hexadecimal data
- For serial instruments that continually send data and those that need prompting
- Quickly identify and correct communication errors
- Insert cyclic redundancy checks (CRCs)
- Send 4-byte (32-bit) integers, 4-byte words (double words), ASCII characters, hexadecimal, signed bytes, bytes, bits, 4-byte floating point or 4-byte reverse floating point to instruments
- Control the state of the PC's serial port output lines
- See the state of the serial port input lines
- See all bytes sent and received, even non-printing characters like carriage returns. This is crucial when dealing with binary data.
- Send acknowledgements
- For Windows 8, 7, Vista, XP, 98 and 95
- Data logging from one instrument.
- Optionally, with the Windmill COMIML serial driver, continually send data from up to ten instruments to the Windmill logging, charting and other data acquisition applications, or to other Windows software like Excel. The ComDebug download is packaged with a month's trial of the Windmill and COMIML software.
Simply select your communication settings or type your instrument's commands: no need for any programming.
The new custom commands allow ComDebug to extract data even if it is an unusual format. For example, the start of a message might be indicated by only part of a byte whilst the rest of the byte carries data. By entering a custom command, ComDebug can log the just data and ignore the rest. Users can enter custom commands themselves, or Windmill Software are happy to set up a custom command for any instrument.
With ComDebug you can control both those serial devices that continuously output messages, and those that require commands before supplying data. With a flexible approach to building command strings, and parsing the received data strings to extract data values, the majority of analytical instruments are supported. These include altimeters, balances, conductivity meters, data loggers, dial gauges, digital indicators, digital thermometers, DMR, extensometers, flaw detectors, fluorometers, force gauges, gas analysers, GPS, gyro compasses, hygrometers, I2C devices, ion gauges, load meters, motion sensors, multimeters, myographs, oxygen electrodes, particle analysers, pH meters, PIC microcontrollers, plcs, pressure transmitters, power analysers, RLC meters, RFID readers, thermoregulators, titrators, solar panel array controllers, sonar and water baths.
You have the freedom to mix and match equipment from many different manufacturers in many combinations. For example, serial devices from Acculab, A&D, Advantec, Ashtec, Avery Berkel, B&B Electronics, Bruël & Kjær, Campbell Scientific, Crosstalk Security, Dataq Instruments, Daily RFID, Dataq Instruments, Datel, Datataker, Denver, Desoutter, Ecom, Fisher, Fluke, Funaro, Garmin, Honeywell, Horiba, Humminbird, ICP DAS, Love Controls, Linkcom, Magellan, Maxim, Mettler Toledo, MecMesin, Metrix, Microchip Technology, Mitutoyo, Motorola, Molytek, Newmar, NovAtel, NovAtel, Nu-Metrics, Omnistar, Omron, Orion, Panametrics, Parallax, Parker, Phytron, Protek, Quantum Logic, Remontec, Rockwell, San Jose, Sartorius, SecuMaster Technologies, SG Brown, Siemens, Sokkia, Sylvac, Telegan, Texas Instruments, Transcell, Tritech, TTi, TSS, Turner Designs, Varian SenTorr, Veris, Voltcraft, Weeder Technologies, Weilheimn, WTW and World Precision Instruments have all been handled by Windmill. Many channels of data can be accepted from each instrument.
"I would recommend ComDebug to any one who has to trouble shoot a serial card problem. I used it to locate a defective com card which the manufacturer said could not be. "
Doyal J. McVicker Jr.
"Your software works great; it's the only package that allows me to set the DTR line low...required by the TI (Texas Instruments) development board configuration."
R E Rogers
M O Tjebben
Crosstalk Security Inc
With ComDebug you can see the state of the serial port input lines and
control the state of the PC's serial port output lines.
For details of what each line does see our RS232 connections page.
Our software is so easy to use we offer free technical support for life. If you have a question the first places to look are in the program's Help file or on our Technical Support page. If you don't find the answer there then fill in our technical support form, fax us on +44 (0)161 833 2190 or call us on +44 (0)161 833 2782 (9 to 5 GMT or BST).
RT, Reservoir Engineering Specialist Oil and Gas Production - Research. Using ParoScientific Quartz pressure transmitter.
GH, Audio Systems Engineer using Audion Precision System Two Cascade.
SM, Electrical Engineer performing tests on a Modbus Variable speed drive.
JF, Industrial Control Engineer.
DA, Mineral Chemistry (Quantitative).
The new software now also has a trouble-shooting screen, so you can see exactly what is being sent and received and identify where any problems may be occurring. The screen shows the outcome of each data reading, the messages sent and received, the data extraction procedure and result, and the time in hundredths of a second since data logging started.
Have you used Comdebug - what do you think? Any questions? Let us know.(360 users, 4.9)
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ComDebug is free to our Monitor newsletter subscribers. Monitor is a monthly newsletter giving data acquisition tips and techniques. It also features a regular Excel corner, explaining how to use Excel for data acquisition.