Diagnostic Value '11.Leak - Leakage Test - Siemens SIPART PS2 Operating Instructions Manual

11.2.4.9

Diagnostic value '11.LEAK - Leakage test'

Requirement
Display range:
Purpose:
Description:
SIPART PS2 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00127926-AB
The positioner is initialized and in manual mode (MAN).
● -
● 0.0 ... 100.0
You can use this diagnostics parameter to read the last test result
or start an offline leakage test with which you can detect leakages
in the actuator or in the pipe installation. Display is percent stroke
per minute referred to the total stroke. A test result originates from
one of the following options:
● Function '11.LEAK' has already been carried out.
● Leakage test was already carried out during initialization, see
procedure of RUN3 in section Sequence of automatic
initialization (Page 116).
● 'Offline leakage test' function was already executed by a HOST
system.
"-" in the display can have the following causes:
● A leakage test has not yet been carried out.
● Resetting to the factory settings was carried out using the
''48.PRST' Preset (Page 168) > ALL' parameter.
● Positioner is not initialized.
How to start the test
1. Move the actuator to the position at which you wish to start the
Recommendation: Set value to approx. 50. The actuator is
test.
in the center position.
2. In 'Diagnostics' mode, go to the '11.LEAK' diagnostic value as
described in section Display of diagnostics values (Page 252).
3. Start the function by pressing the
'Strt' is output in the display. The function is started after 5 seconds.
'tESt' and the current position of the actuator (actual value) are then
displayed alternately for one minute.
After one minute, the display shows the difference in the actuator
position before and after the test. This means: the actuator position
has changed by the displayed value in one minute.
Alarm, fault and system messages
11.2 Diagnostics
button for at least 5 seconds.
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