Alarm, error, and system messages
10.2 Diagnosis
SIPART PS2 with and without HART
Operating Instructions, 10/2013, A5E00074631-11
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12 PRPST - time since the last partial stroke test
This parameter shows the elapsed time in days since the last partial stroke test. In addition,
the following status messages can be displayed:
● 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.
13 NXPST - time until the next partial stroke test
This parameter shows the time in days until the next partial stroke test. The requirements are
that the partial stroke test is activated in the configuration menu and a test interval is set. If
one of the above-mentioned conditions is not met, "OFF" is shown on the display.
14 DEVI - general control valve fault
This value provides information about the present dynamically determined deviation from the
model response. If the underlying function is deactivated in the configuration menu, "OFF" is
displayed.
15 ONLK - pneumatic leakage
This parameter shows the current leakage indicator. If the leakage detection is deactivated in
the configuration menu, "OFF" is displayed.
16 STIC - static friction/slipstick effect
This parameter shows the filtered value of the stroke magnitude in percent resulting from the
static friction. If the function is deactivated in the configuration menu, "OFF" is displayed.
17 ZERO - zero point displacement
Display of the current displacement of the lower hard end stop with respect to its initialization
value. The activation of the "down tight closing function" is a condition to determine this.
Activate using the "YCLS" parameter in the configuration menu. If the underlying function is
deactivated in the configuration menu, "OFF" is displayed.
18 OPEN - displacement of upper end stop
Display of the current displacement of the upper hard end stop with respect to its initialization
value. The activation of the "up tight closing function" is a condition to determine this.
Activate using the "YCLS" parameter in the configuration menu. If the underlying function is
deactivated in the configuration menu, "OFF" is displayed.
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