The Siemens SIPART PS2 is currently the most widely used positioner for linear and part-turn actuators in an extremely diverse range of process industries – and not without good reason. The proven all-around talent provides comprehensive functions – including intelligent diagnostics – and can optionally communicate using HART 7, PROFIBUS PA 3.02 or Foundation Fieldbus…
The Siemens SIPART PS2 is currently the most widely used positioner for linear and part-turn actuators in an extremely diverse range of process industries – and not without good reason. The proven all-around talent provides comprehensive functions – including intelligent diagnostics – and can optionally communicate using HART 7, PROFIBUS PA 3.02 or Foundation Fieldbus ITK 6.0. A product which has been tried and tested so many times is always the right choice.
Optionally available with Makrolon, aluminum, stainless or flameproof steel enclosure, the positioner is well-equipped for all ambient conditions. Available as standard with IP66 or NEMA 4x protection, it defies even challenging application environments.
In dialog with host systems, the SIPART PS2 demonstrates its communicative side. It can be integrated in the most diverse communication landscapes by means of the PROFIBUS PA, Foundation Fieldbus or HART protocols. Furthermore, SIMATIC PDM can be applied with HART and PROFIBUS PA to clearly display and document saved trend values, histograms, as well as commissioning and operating data.
The SIPART PS2 is equipped as standard with comprehensive diagnostics functions. To provide warning of costly failures during operation, our positioner permanently checks the actuator and valve. The SIPART PS2 communicates ongoing events in real time in accordance with NE107. Additionally, the SIPART PS2 provides diagnostics functions such as the “Valve Performance Test” (VPT). Using this test, the state of a valve can be assessed during a planned plant standstill. The diagnostics package of our positioner is rounded off by the “Full Stroke Test” (FST), Step Response Test (SRT), and “Multistep Response Test” (MSRT). The diagnostics cockpit allows users to obtain a clear introduction and enables them to quickly assess the state of a valve.
With a regular “Partial Stroke Test” (PST), the SIPART PS2 ensures that ESD (Emergency Shut Down) valves and other open/close valves remain free to move in emergency situations. The attached solenoid valve can also be tested by the positioner. In addition, the partial stroke test can be used for control valves in order to recognize maintenance requirements at an early stage during the ongoing process. Fail in place and fail-safe functions are also provided by our multi-talent. The fail in place function causes the valve to remain in the last position should the power supply fail. Alternatively, the fail-safe function makes sure that the valve moves to the safety position. This function is even suitable for use in SIL2 measuring circuits.
Siemens all-rounder can do even more: together with the SIPART PS2 booster, it allows fast control of large actuators with a Cv value of 2.0. Due to direct mounting on the positioner, the manual piping requirements are reduced to a minimum.
These numerous functions of our positioner have made it what it is today: a multi-talent which can optimally handle a wide spectrum of specific challenges.
|Product Brochure Siemens SIPART PS2||SITRANS_PS2.pdf|
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