Using ke5fx HP 7470 plotter emulator with a 54659B module on a 54600B oscilloscope

This write up will talk about modifying the ke5fx HP 7470 plotter emulation software to work with a 54600B oscilloscope using Microsoft Windows.

NOTE: make sure to use a null modem cable

Steps to setup computer:

      1. Get a working serial port on your computer with a USB to serial converter or a native serial port.
      2. Download the ke5fx software from: http://www.ke5fx.com/gpib/7470.htm
      3. Modify default_connect.ini Comment out the top line and add the second line (Make sure your com port is correct):
        ;interface_settings GPIB0
        interface_settings com3:baud=19200 parity=N data=8 stop=1

        also modify:
        is_Prologix 1
        To
        is_Prologix 0
      4. On the 54600B go to the print menu and make sure the scope is in DTR mode, also make sure the scope is set to 19200 baud.

Steps to print image to computer:

  1. Make sure that the com port your device is on matches the default_connect.ini file. If it does not then edit the file or use the device manager to change the assigned to serial port mappings.
  2. In the ke5fx 7470.exe software choose this option:scope1
  3. Press print screen on plotscope