HART Test System


What Commands are used for Event Notify?
Event notification requires, and is built upon, Burst Mode operation. If Burst Mode is supported then all commands for Event Notify should be suppor...
Mon, 1 Aug, 2016 at 12:30 PM
Why do test cases DLL027 and DLL028 fail?
These test cases are likely failed because a device is monitoring RT2 while in the RCV_MSG state machine.  Remember that as soon as RT2 expires (...
Fri, 30 Sep, 2016 at 9:36 AM
My device accepts any floating point number for RANGE values, does it pass all test cases?
This is why the test specification says to contact us if you exceed those values.  It is reasonable to expect certain devices (such as flow) may sup...
Wed, 10 Aug, 2016 at 10:10 PM
How do I know if my HART modem is communicating?
If you are using a registered HART modem, it should communicate with a HART device that has passed the physical layer tests. The modem functionality ...
Fri, 28 Feb, 2020 at 12:40 PM
Can the output files correlate to error messages?
The log files generated from Post Processing can include complete logging information by using the –c and –l command line options. For instance: ppp000xxx...
Wed, 10 Aug, 2016 at 10:41 PM
What happens to Device Specific Commands during testing?
HART Test System Device specific commands are ignored and will not affect the outcome of the test. It is up to the manufacturer to verify the correct o...
Fri, 13 Mar, 2020 at 3:12 PM
Why is CAL073 failing?
The Test Specification does not mention the setup required for the device before executing the test. Please disarm the device before running CAL073. 
Thu, 2 Mar, 2017 at 12:38 PM
What is the correct Command 9 Response for UAL011A?
If your device does not support Dynamic Variables or Device Variables, then the Universal Command Specification (HCF_SPEC-127 Rev 7.1) Section 6.10 states C...
Fri, 28 Feb, 2020 at 5:51 PM
Guide for DLL010 and DLL011
The test automation for DLL010 and DLL011 use the Slave Token Passing Data Link Test Specification as a guide only. The implementation varies from the Test ...
Tue, 12 Dec, 2017 at 8:24 AM
Can I send a single HART command to my device?
Yes, HART commands can be sent to a HART device via htest, which is a customized CINT interpreter. It is a convenient and useful way to make sure that your ...
Mon, 2 Mar, 2020 at 4:49 PM