• Plug GREEN USB Dongle into a CADWorx machine or Non-CADWorx machine.  
  • Ensure the lock is lit up.  
  • Run the update utility as directed below:  
    • If updating on a Non-CADWorx download the pulse utility.  
    • If updating on a machine with 2015 CADWorx or older go to Start>All Programs>CADWorx 20XX>Plant/P&ID>HL ESL Maintenance Utility.
    • If updating on a machine with CADWorx 2016 or newer go to C:\CADWorx 20XX\Utilities and run the pulse utility (pulse.exe).


  • Once you have opened the pulse utility select Enter ESL Reauthorization Codes

  • Enter the codes provided in the rows.
    • It’s important to note that if you receive more than one code they must be applied at the same time.
    • Once the codes have been entered click OK to complete the update.
      • If there are any errors or issues contact us at

Example Access Codes:

1st Row: 1111 1111 1111 1111

2nd Row: 2222 2222 2222 2222 (if applicable)

  • Next, confirm your version by choosing Show ESL Data from the pulse utility.
    • Your version should be the year the software was released
      • For 2016 Max Version is 1215 and for 2017 max version is 1216.
  • Once you have confirmed your max version generate a log file by selecting log file in the bottom right of the Show ESL Data screen and send it to for our records.
    • When generating please note the path the file goes to.  You will have to navigate there to copy them into the email to send to us.