Members of FieldComm Group may request access to the HART Protocol Specifications.

Please open a new support request and specify the following:

Requester: Your email address

Company Name: Your company name

I need assistance with: Membership Support Details: Request Member Access

Subject:  HART Protocol Specifications

Details: Request access to the HART Protocol Specifications

Once you have been granted access, please follow these instructions to obtain the latest version: 

1. Go to
2. Log in using your corporate email address as the user name. To retrieve the password, please click on the "Forgot Password" link.
3. The downloads will be available in your “Shared Folders".


If you are not yet a member of FieldComm Group, you may purchase the specifications by placing an order.  Non-members receive a printed version of the HART Protocol Specifications.