Extended Diagnostics Parameters A To P; Partial Stroke Test 'A.\\Pst - Siemens SIPART PS2 Operating Instructions Manual

Figure 9-7
Figure 9-8
The factory setting is 'OFF'.
9.4.3

Extended diagnostics parameters A to P

9.4.3.1

Partial stroke test 'A.\\PST'

A. PST - Partial Stroke Test
Requirement:
Possible settings:
Purpose:
Factory setting:
SIPART PS2 with and without HART
Operating Instructions, 05/2017, A5E00074631-AC
Display of a threshold 2 error message with two columns (maintenance demanded)
Display of a threshold 3 error message with three columns (maintenance alarm)
The '52.XDIAG' Activating for extended diagnostics (Page 166) pa‐
rameter is set to 'On1', 'On2' or 'On3'.
● OFF
● On
Use this parameter to activate and deactivate the partial stroke test.
To activate monitoring, set the parameter to 'On'. Sub-parameters
are displayed.
Trigger the partial stroke test using:
● Buttons on the device
● A binary input
● Communication
● A cyclic test interval
The current status of the partial stroke test is displayed in Diagnostic
value '12.PST - Monitoring of partial stroke test' (Page 203).
Diagnostic value '13.PRPST' - Time since last partial stroke test'
(Page 204) and Diagnostic value '14.NXPST - Time until next partial
stroke test' (Page 205) provide further information on the partial
stroke test.
OFF
Parameter assignment
9.4 Description of parameters
167