SIPART PS2 positioners offer decisive advantages:

• Simple installation and automatic commissioning (self-adjustment of zero and span)
• Simple operation with:
  • Local operation (manual operation) and configuration of the device using three buttons and a user-friendly two-line display
  • Parameterization via SIMATIC PDM
• Very high-quality control thanks to an online adaptation procedure
• Negligible air consumption in stationary operation
• "Tight shut-off" function (ensures maximum actuating force on the valve seat)
• "Fail in place" function: Current position is retained on failure of auxiliary electrical power and/or pneumatic failure (does not apply in conjunction with SIL).
  Example: For an actuator with a volume of 8 liters, the typical position stability of a SIPART PS2 with "Fail in Place" is 0.3% per hour.
• Numerous functions can be activated by simple configuring (e.g. characteristic curves and limits)
• Extensive diagnostic functions for valve and actuator
• Only one device version for linear and part-turn actuators
• Few moving parts, hence insensitive to vibrations
• External non-contacting position sensor as option for extreme ambient conditions
• "Intelligent solenoid valve": Partial Stroke Test and solenoid valve function in a single device
• Partial Stroke Test e.g. for safety valves
• Full Stroke Test, Multi Step Response Test, Valve Performance Test for performance and maintenance evaluation of the valve
• Can also be operated with purified natural gas, carbon dioxide, nitrogen or noble gases
• SIL (Safety Integrity Level) 2