Endress+Hauser iTHERM TrustSens TM371, Operating Instructions Manual

Page: 30 / 106

Commissioning iTHERM TrustSens TM371, TM372
30 Hauser
Heartbeat Verification
Device functionality checked on demand
• Verification of the correct functioning of the measuring device within specifications.
• The verification result provides information about the condition of the device: "Passed" or
"Failed".
• The results are documented in a verification report.
• The automatically generated report supports the obligation to demonstrate compliance
with internal and external regulations, laws and standards.
• Verification is possible without interrupting the process.
Advantages
• No onsite presence is required to use the function.
• The DTM
1)
triggers verification in the device and interprets the results. No specific
knowledge is required on the part of the user.
• The verification report can be used to prove quality measures to a third party.
• Heartbeat Verification can replace other maintenance tasks (e.g. periodic check) or
extend the test intervals.
Detailed description
→  31
Heartbeat Monitoring
Function
Calibration information is logged in addition to the verification parameters. 350
calibration points are saved in the device (FIFO memory).
Advantages
• Early detection of changes (trends) to ensure plant availability and product quality.
• Use of information for the proactive planning of measures (e.g. maintenance).
Detailed description
→  33
8.6.2 Heartbeat Diagnostics
Device diagnostic messages, along with remedial measures, are displayed in the operating
tool (FieldCare/DeviceCare).
For information on using the diagnostic messages, see the "Diagnostics and
troubleshooting" section. →  35
Diagnostic message in the operating tool
1. Navigate to the " Diagnostics " menu.
 The diagnostic event, along with the event text, is displayed in the Actual
diagnostics parameter.
1) DTM: Device Type Manager; controls device operation via DeviceCare, FieldCare, PACTware or a DTM-based control system.