Cleaning Of The Screens - Siemens SIPART PS2 Operating Instructions Manual

Service and maintenance

11.2 Cleaning of the screens

Releasing key lock
Improper modification of parameters could influence process safety.
• Make sure that only authorized personnel may cancel the key locking of devices for
Electrostatic charge
Danger of explosion in hazardous areas if electrostatic charges develop, for example, when
cleaning plastic surfaces with a dry cloth.
• Prevent electrostatic charging in hazardous areas.
Dust layers above 5 mm
Danger of explosion in hazardous areas. Device may overheat due to dust build up.
• Remove dust layers in excess of 5 mm.
Cleaning the enclosure
● Clean the outside of the enclosure with the inscriptions and the display window using a
cloth moistened with water or a mild detergent.
● Do not use any aggressive cleansing agents or solvents, e.g. acetone. Plastic parts or the
painted surface could be damaged. The inscriptions could become unreadable.
11.2 Cleaning of the screens
The positioner is maintenance-free to a large extent. Screens are installed in the pneumatic
connections of the positioners to protect them from rough dirt particles. If there are dirt
particles in the pneumatic auxiliary power supply, they damage the screens and hamper the
function of the positioner. Clean the screens as described in the following two chapters.
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CAUTION
safety-related applications.
WARNING
WARNING
SIPART PS2 with and without HART
Operating Instructions, 02/2016, A5E00074631-AB