EB 8389 EN 89
Tests
Changes in the diagnostic parameters listed
below affect the test. The results of the next
following full stroke test is used as the new
reference measurement:
− 'Activate ramp function'
− 'Ramp time (rising)'
− 'Ramp time (falling)'
− 'Delay time after step'
Test not completed
If the test was not completed, the reason for
cancellation is indicated in the correspond-
ing reading by the 'Maintenance alarm'
message. The positioner generates a 'PST/
FST' message with the selected status classi-
cation. 'Extended diagnosis' (Code 79) is
activated regardless of the status classica-
tion.
Diagnosis > Status messages > Extended
− PST/FST
The 'No test available' status remains active
until a full stroke is completed successfully.
5.5.2 Resetting single status
messages
The diagnostic parameters of the full stroke
test are reset by selecting and executing the
command 'Reset FST'. The measured data
analysis and the 'PST/FST' message cannot
be reset.
The positioner saves the measured data
analysis of the last three full stroke tests. The
analysis of the penultimate test is deleted
when another test is performed.
Operation > Reset
Reset FST
Note
Note
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