Diagnostic Value '13.Prpst' - Time Since Last Partial Stroke Test; Diagnostic Value '14.Nxpst - Time Until Next Partial Stroke Test; Diagnostic Value '15.Devi - General Control Valve Fault - Siemens SIPART PS2 Operating Instructions Manual

10.2.4.11

Diagnostic value '13.PRPST' - Time since last partial stroke test'

Indication on the display: • ###
Purpose:
Status messages:
10.2.4.12

Diagnostic value '14.NXPST - Time until next partial stroke test'

Requirement:
Indication on the display: • OFF
Purpose:
10.2.4.13

Diagnostic value '15.DEVI - General control valve fault'

Requirement:
Display range:
Purpose:
See also
Partial stroke test 'A.\\PST' (Page 176)
SIPART PS2 with and without HART
Operating Instructions, 02/2016, A5E00074631-AB
• notSt
• Sdtst
• FdtSt
This diagnostics parameter shows the elapsed time in days since
the last partial stroke test.
• notSt - No Test: A manual partial stroke test has not yet been
executed.
• SdtSt - Stopped Test: The last partial stroke test was
interrupted.
• FdtSt - Failed Test: The last partial stroke test has failed.
• The partial stroke test is activated in 'Configuration' mode.
• The test interval is set in the 'A8.INTRV' parameter.
• ###
This diagnostics parameter shows the time in days until the next
partial stroke test. If one of the above-mentioned conditions is not
met, 'OFF' is shown on the display.
Monitoring of dynamic control valve behavior 'b.\\DEVI' (Page 181)
parameter is activated.
• OFF
• 0.0 ... 100.0
This value in percent provides information about the current dy-
namically determined deviation from the model response. If the
underlying function is deactivated, 'OFF' is displayed.
Alarm, error, and system messages
10.2 Diagnostics
215