Siemens SIPART PS2 Positioner: A Global Benchmark in Intelligent Valve Control
Siemens SIPART PS2 positioner series continues to strengthen its global presence as one of the most reliable and versatile digital valve positioners for process automation. With its advanced diagnostics, robust performance, and wide application range, the SIPART PS2 is becoming the first choice in industries such as oil & gas, chemical processing, water treatment, and power generation.
Introduction
The SIPART PS2 is Siemens flagship electropneumatic positioner designed for controlling pneumatic actuators in demanding industrial environments. Known for exceptional accuracy, long service life, and powerful self-diagnostics, the SIPART PS2 enhances plant reliability while reducing maintenance costs.
Versions & Series
The SIPART PS2 family offers multiple versions to meet different installation and application needs:
Standard Version (6DR5 Series) – Universal digital positioner for linear and rotary actuators.
Explosion-Proof Version – ATEX, IECEx, FM/CSA certified for hazardous zones.
Fail-in-Place / Fail-Safe Versions – Ensures safety-critical applications maintain required positions during power or air failure.
Remote Sensor Version – For high vibration, high temperature, or inaccessible valve locations.


Key Features
Advanced Self-Diagnostics: Continuously monitors valve performance and provides predictive maintenance alerts.
High Accuracy & Stability: Digital control ensures precise valve positioning even under fluctuating conditions.
Flexible Installation: Suitable for linear and rotary actuators, single or double-acting.
Low Air Consumption: Efficient control reduces energy costs and supports sustainability.
Robust Design: Resistant to vibration, temperature variations, and harsh process environments.
Integrated Communication: Supports HART, PROFIBUS PA, and FOUNDATION Fieldbus for seamless integration with modern control systems.
Bestselling SIPART PS2 Models
Among the SIPART PS2 family, several models stand out as market bestsellers due to their performance, adaptability, and attractive cost-to-feature ratio:
6DR5210 Series: Popular for standard applications using 4–20 mA or HART communication.
6DR5215 Series: Enhanced versions with additional feedback or communication options.
6DR5610 Series: Ruggedized and advanced variants suitable for corrosive or extreme environments.
6DR5010 Series: A common choice for basic valve control applications with budget considerations.
6DR5020 Series: Widely used standard version known for easy setup and reliable control.
6DR5110 Series: Enhanced diagnostics version with extended communication options.
6DR5115 Series: High-performance model optimized for precision applications and harsh operating conditions.
6DR5120 Series: Explosion-proof version designed for hazardous areas in oil & gas and chemical industries.
These products are valued for consistent performance, compatibility with various actuators, and their ability to extend valve life through intelligent monitoring.
Market Outlook
As industrial plants continue modernizing their automation infrastructure, the SIPART PS2 series is expected to maintain strong growth due to its excellent balance of functionality, durability, and total cost of ownership. Siemens’ continued innovation in digital valve technology positions SIPART PS2 as a leading solution for future-ready process control.
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