The comDebug program lets you communicate with almost any RS232, RS422, RS485 or Modbus serial 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.

  • No programming required
  • Free technical support for life
  • Easy to use
  • Understands ASCII or binary 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 ASCII values, 16-bit 2s complement integers, unsigned integers,
  • single bits of data, etc, to instruments
  • Control the state of the PC's serial port output lines
  • See the state of the serial port input lines
  • Send acknowledgements
  • Save settings in a file
  • Full hypertext Help