The new enhanced HART DDL/EDDL Host Test Suite v2.0 from the HART Communication Foundation, Austin, TX, lets suppliers and developers of host products test the compliance of their HART implementation and is used by the Foundation to verify and validate compliance of host products submitted for HART registration. The test suite includes improved Encoded Test DDs updated to align with current test specifications, test report spreadsheets for documenting test results, preliminary DD Host Test and Registration Procedure, a new and improved Xmtr-MV v2.5, and other ancillary files. The test suite uses 950 automated test cases and 8300 individual verification points.