Siemens SIPART PS2 Series Operating Instructions Manual page 106

Commissioning
7.1 Basic safety instructions
Loss of explosion protection
Risk of explosion in hazardous areas if the device is open or not properly closed.
● Close the device as described in Installing/mounting (Page 37).
Opening device in energized state
Risk of explosion in hazardous areas
● Only open the device in a de-energized state.
● Check prior to commissioning that the cover, cover locks, and cable inlets are assembled
Exception: Devices having the type of protection "Intrinsic safety Ex i" may also be opened in
energized state in hazardous areas.
Water in compressed air line
Device damage and possibly loss of type of protection. The factory setting for the purging air
selector is "IN". In the "IN" position, water from the compressed air line may enter the device
from the pneumatics during initial commissioning.
● Before commissioning, make sure that no water is present in the compressed air line.
If you cannot be sure that there is no water in the compressed air line:
● Set the purging air selector to "OUT". In this way, you prevent water from the compressed
● Only set the purging air selector to "IN" again when all water has been discharged from the
Increased sound pressure level
Changes to the sound absorber of the positioner or the mounting of pneumatic components
or pneumatic options on the positioner can cause a sound pressure with a level of 80 dBA to
be exceeded.
● Wear suitable hearing protection to protect yourself against hearing damage.
106
WARNING
WARNING
in accordance with the directives.
WARNING
air line from penetrating the device.
compressed air line.
CAUTION
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE