SIPART PS2 with and without HART 
Operating Instructions, 10/2013, A5E00074631-11 
31 
 
Basic safety instructions 
 
Unsuitable device for the hazardous area 
Danger of explosion. 
•  Only use equipment that is approved for use in the intended hazardous area and 
labelled accordingly. 
 
High operating force with pneumatic drives 
Risk of injury when working on control valves due to the high operating force of the 
pneumatic drive. 
•  Please observe the corresponding safety instructions for the pneumatic actuator in use. 
 
 
Lever for position detection 
Danger of crushing and shearing with mounting kits which use a lever for position detection. 
During commissioning and ongoing operation, severing or squeezing of limbs could occur 
as a result of the lever. Risk of injury when working on control valves due to the high 
operating force of the pneumatic drive. 
•  Do not reach into the range of motion of the lever following mounting of the positioner 
and mounting kit. 
 
 
Impermissible accessories and spare parts 
Danger of explosion in areas subject to explosion hazard. 
•  Only use original accessories or original spare parts. 
•  Observe all relevant installation and safety instructions described in the instructions for 
the device or enclosed with the accessory or spare part.