Siemens SIPART PS2 Positioner
Precise and intelligent: the perfect locator, providing safe and uninterrupted performance for many process industries worldwide for over 15 years, from Siemens.
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Detailed introduction
Siemens Brand Introduction
Precision and intelligence: the perfect positioner. For over 15 years, Siemens positioners have provided safe and uninterrupted performance for many process industries worldwide. The SIPART PS2 and SITRANS VP100 devices accurately control a large number of valves and execute special tasks with absolute reliability. Our positioners are continuously improved and advanced to meet the ever-changing market demands and expectations. The first choice for optimal processes, Siemens SITRANS VP100 and SIPART PS2 are intelligent electric positioners for linear and rotary actuators. They are perfectly suited for almost all applications in the process industry. This outstanding product family is known for its extensive functionality and diagnostic capabilities, simple installation, and the thorough safety and reliability it brings to processes during quick commissioning.
The Siemens SIPART PS2 positioner is packed with features that make it a go-to choice for precise valve control in demanding industrial environments. Here are its key highlights:
Universal mounting: Supports both linear and rotary actuators with flexible mounting options.
Non-contacting position detection: Uses a wear-free sensor system for long-term reliability.
Advanced diagnostics: Built-in self-monitoring and status feedback help with predictive maintenance.
Low air consumption: In steady-state operation, it consumes virtually no air, reducing energy costs.
Communication protocols: Supports HART, PROFIBUS PA, and FOUNDATION Fieldbus for seamless integration.
Explosion-proof variants: Available in Ex d, Ex ia, and Ex n certifications for hazardous areas.
Enclosure options: Polycarbonate, aluminum, stainless steel, and flameproof designs for harsh environments.
Fail-safe functions: Optional fail-in-place or fail-to-position configurations for safety-critical applications.
Siemens Detailed Description
| Parameter | Details |
|---|---|
| Input Signal | 4–20 mA (with HART), optional PROFIBUS PA or FOUNDATION Fieldbus |
| Actuator Types | Linear and rotary (single-acting or double-acting) |
| Position Detection | Non-contacting, wear-free sensor |
| Air Supply Pressure | 1.4 to 6.0 bar (20 to 90 psi) |
| Air Consumption | ~0 in steady-state (energy-efficient design) |
| Ambient Temperature Range | –30 °C to +80 °C (standard); extended range available |
| Enclosure Materials | Polycarbonate, aluminum, stainless steel, flameproof aluminum/316L steel |
| Protection Class | IP66 / NEMA 4X |
| Explosion Protection | Ex ia, Ex d, Ex n (ATEX, IECEx, FM, CSA certified) |
| Communication | HART, PROFIBUS PA, FOUNDATION Fieldbus |
| Diagnostics | Advanced self-diagnostics, status feedback, predictive maintenance |
| Fail-Safe Options | Fail-in-place, fail-to-close, fail-to-open |
Siemens Model Catalog
| Part Number | Description |
|---|---|
| 8GD7201 | Terminal box (likely for hazardous area use) |
| 8GD6007 | Terminal box (variant, possibly Ex d certified) |
| 7MH3105-3BB0 | Load cell or weighing module |
| 7ML1830-2AK | Hand programmer for Multiranger/Hydro |
| 7ML1998-1AN32 | Ultrasonic sensor cable or accessory |
| 7MH4103-2AC11 | Weighing electronics (e.g., SIWAREX module) |
| 8GD6004 | Terminal box (compact version) |
| 7ML1998-5DM11 | Echomax ultrasonic transducer accessory |
| 7ME5844-4BB00 | MAG 8000 flowmeter (battery-powered) |
| 7ML1998-1FB03 | Echomax mounting bracket or cable |
| 7ML1998-1BE31 | Echomax sensor accessory |
| 7MF1570-1NA02 | SITRANS P pressure transmitter |
| Echomax XPS-15 7ML1118-0BA30 | Ultrasonic level sensor (15 m range) |
| Echomax XPS-30 7ML1123-0KA50 | Ultrasonic level sensor (30 m range) |
| 7MH4104-3BM01 | SIWAREX WP231 weighing module |
| 7MH3110-1BA1 | Load cell |
| 7MF9001-1AA | Pressure transmitter accessory or spare |
| 7MS1111-1A | Possibly a valve or mechanical component |
| 7ME5844-3EF00 | MAG 8000 flowmeter (variant) |
| 7MF4997-2BA | SITRANS P DS III pressure transmitter |
Frequently Asked Questions – Siemens SIPART PS2
1. What does the SIPART PS2 do?
It’s an electropneumatic positioner that controls valve position based on a 4–20 mA signal. It ensures precise valve movement and provides diagnostics for predictive maintenance.
2. What types of actuators can it be mounted on?
It supports both linear and rotary actuators, with single- or double-acting configurations.
3. What communication protocols are supported?
HART is standard, with optional PROFIBUS PA and FOUNDATION Fieldbus variants.
4. How does it detect valve position?
It uses a non-contacting, wear-free sensor, which enhances reliability and reduces maintenance.
5. Is it suitable for hazardous areas?
Yes. It’s available with Ex ia, Ex d, and Ex n certifications for use in explosive environments.
6. What diagnostic features are included?
It offers online and offline diagnostics, including valve performance monitoring and alerts for maintenance needs.
7. Can it operate in extreme environments?
Absolutely. It’s rated for –30 °C to +80 °C, with enclosures in polycarbonate, aluminum, stainless steel, and flameproof options.
8. What are the fail-safe options?
You can configure it to fail-in-place, fail-open, or fail-close, depending on your safety requirements.
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