Siemens Positioner Sipart PS2 Ex d Positioner

Siemens 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.
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Advantages of SIPART PS2 Ex d Positioner

  • 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 Ex d Positioner

  • Chemical/petrochemical
  • Power stations
  • Paper and glass
  • Water, waste water
  • Food and pharmaceuticals
  • Offshore plants
  • 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.

Specifications of SIPART PS2 Ex d Positioner


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 quality Class 2 to ISO 8573-1
Max. air consumption in the controlled state < 0.036 m3n/h