Parameter Assignment; Introduction To Parameter Assignment Section - Siemens SIPART PS2 Operating Instructions Manual

Parameter assignment

8.1

Introduction to parameter assignment section

A positioner is responsible for controlling a valve and for monitoring the status of a valve. The
parameters described in this section are used to optimally adapt the positioner to the valve and
its application.
The parameters are divided into initialization parameters, application parameters, and the
extended diagnostics parameters.
● Initialization parameters 1 to 5 (Page 142): Describes die parameters which are relevant for
initial commissioning of the positioner on the valve. For example, you can start the
automatic initialization here.
● Application parameters 6 to 55 (Page 145): Describes die parameters with which the
positioner is adapted to the valve application, for example tight closing at the stops.
● Extended diagnostics parameters A to P (Page 163): Describes the diagnostics functions
which are provided by the positioner. These include monitoring of leakages as well as the
partial stroke test. Following activation of these functions, the positioner continuously
monitors the status of the valve. If you enter thresholds in the parameters of the diagnostics
functions, the positioner actively signals high or low violation of these thresholds. The
current monitoring state for these thresholds is displayed as a diagnostic value. For
additional details on diagnostics and diagnostic values, refer to the section Diagnostics
(Page 256).
The following configuration schematic shows the principle of operation of the parameters. This
is followed by a tabular overview of the parameters. Finally, the individual parameters and their
functionality are described.
Furthermore, the positioners with HART, PA and FF communication interface in combination
with a host system, e.g. SIMATIC PDM or HART communicator etc., offer the following
advantages:
● Offline tests such as full stroke test, step response test, multi-step response test and valve
performance test.
● Diagnostics cockpit which provides an overview of the state of positioner and valve.
● Logbook with time stamp for documentation of all events such as the violation of thresholds.
● Wizards which provide prompting through the relevant parameters during commissioning,
the partial stroke test as well as the offline test.
SIPART PS2 with PROFIBUS PA
Operating Instructions, 05/2019, A5E00127926-AC
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