Partial Stroke Test (Pst); Pst Trace Characteristic - Siemens SIPART PS2 Operating Instructions Manual

'Valve Performance Test' wizard
Use the 'Wizard - Valve Performance Test' button to set a diagnostics function which
determines the characteristic values of the valve in accordance with IEC 61298-2.
9.2.2.9

Partial stroke test (PST)

Availability
This menu item is only available if previously activated in the parameter list using the 'Extended
diagnostics' menu. You can then activate and parameterize the partial stroke test.
Functions
Use the 'Partial stroke test' button to access the functions of the partial stroke test:
● Execute the partial stroke test.
● Cancel the partial stroke test.
● Deactivate diagnostics
Changes become effective as soon as the Transfer button is pressed.
9.2.2.10

PST trace characteristic

Availability
This menu item is only available if the extended diagnostics has been previously activated in
the parameter list. Use this menu item to call the following sub-menus:
● Read trace
● Export as *.csv file
● Import a .csv file
Read trace
When executing a partial stroke test, the temporal course of the actual value is scanned in the
background and saved in the RAM of the positioner with a maximum of 1000 data points. Use
this menu item to read in the saved data in SIMATIC PDM. The end of the reading process is
displayed in the SIMATIC PDM status bar.
Export as *.csv file
Use this menu item to save the currently read in temporal course of the partial stroke test in the
SIMATIC PDM as a csv file.
SIPART PS2 with PROFIBUS PA
Operating Instructions, 05/2019, A5E00127926-AC
Functions/operations using PROFIBUS PA
9.2 Acyclic data transfer
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