SIEMENS SIPART PS2 Positioner

SIEMENS SIPART PS2

SIEMENS SIPART PS2 Positioner With 0/4 … 20 mA/ PROFIBUS PA / FOUNDATION Fieldbus (FF) Made in Geramny Siemens AG.

SIPART PS2 is currently the most widely used positioner for linear and part-turn actuators in a wide range of process industries. This is not without reason. The proven all-round design has a particularly flexible stroke range, intelligent diagnostics, and communicates either via HART, PROFIBUS PA or Foundation Fieldbus. What has been proven so often is certainly the correct choice.

Designed in a Macrolon, aluminum or stainless steel casing, the SIPART PS2 positioners are suitable for all applications. Designed as standard with IP66 or NEMA 4x degree of protection, they are resistant to even the most hostile environments. SIPART PS2 is also available with an explosion-proof enclosure with EExd IIC T4-T6 type of protection.

The 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 advance 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.

Our 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.

Detail

Type of construction:Compact
Setpoint signal:0/4–20 mA with / without HART 7 or PROFIBUS PA 3.02 / Foundation Fieldbus protocol ITK 6.0 with Link Active Schedular (LAS) Function
Range of stroke:3 to 130 mm (larger strokes on request)
Angle of rotation range:30° to 100°
Ambient temperature:-30 °C to +80 °C (other temperature ranges on request)
Required air qualityClass 2 to ISO 8573-1
Max. air consumption in the controlled state< 0.036 m3n/h

Description of SIPART PS2 Positioner

SIPART PS2 is currently the most widely used positioner for linear and part-turn actuators in a wide range of process industries. This is not without reason. The proven all-round design has a particularly flexible stroke range, intelligent diagnostics, and communicates either via HART, PROFIBUS PA or Foundation Fieldbus. What has been proven so often is certainly the correct choice.

Designed in a Macrolon, aluminum or stainless steel casing, the SIPART PS2 positioners are suitable for all applications. Designed as standard with IP66 or NEMA 4x degree of protection, they are resistant to even the most hostile environments. SIPART PS2 is also available with an explosion-proof enclosure with EExd IIC T4-T6 type of protection.

It can be integrated into the communications landscape via PROFIBUS PA, Foundation Fieldbus or HART protocol. With HART and PROFIBUS, it is also possible to apply SIMATIC PDM to clearly display and document saved trends, histograms, as well as commissioning and operating data.

If you would like to test your solenoid valve or replace its function by a positioner, SIPART PS2 prevents valves from closing or monitors open/close valves as an “intelligent solenoid valve.

By means of a regular partial stroke test, SIPART PS2 ensures that ESD valves (emergency shutdown) and other open/close automated valves remain movable in the event of an emergency. The attached solenoid valve can also be tested.

SIPART PS2 is equipped with comprehensive diagnostics functions as standard. In order to provide advanced warning of expensive failures during operation, our positioners continuously check the actuator and valve.

Benefits

  • As standard with IP66 or NEMA 4x protection, optionally available with Makrolon, aluminum or stainless steel enclosure, or as flameproof aluminum version
  • Intelligent diagnostics functions
  • Compact booster option
  • Fail in place and fail-safe functions
  • Also available down to -40 °C up to +80 °C ambient temperature
  • Comprehensive certificates and approvals, e.g. ATEX, IEC, FM, CSA, NEPSI, INMETRO, EAC, KC, GL, LR, DNV, ABS and BV

Application of SIPART PS2 Positioner

The SIPART PS2 positioner is used, for example, in the following industries:

  • Chemical/petrochemical
  • Power stations
  • Paper and glass
  • Water, waste water
  • Food and pharmaceuticals
  • Offshore plants
    The SIPART PS2 positioner is available:
  • For single-acting actuators: In Makrolon, stainless steel or aluminum enclosure, as well as flameproof aluminum enclosure
  • For double-acting actuators: In Makrolon enclosure, stainless steel enclosure and flameproof aluminum enclosure
  • For non-hazardous applications
  • For hazardous applications in the versions – Intrinsic safety type of protection
    – Flameproof enclosure type of protection
    – Non-sparking type of protection
    – Dust protection by enclosure type of protectionand in the versions:
  • With 0/4 … 20 mA control with/without communication through HART signal
  • With PROFIBUS PA communication interface
  • With FOUNDATION Fieldbus (FF) communications interface.

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