Opening The Device Version With "Flameproof Enclosure - Siemens SIPART PS2 Series Operating Instructions Manual

4.5.1.3

Opening the device version with "flameproof enclosure"

Overview screen
Risk of explosion
Before supplying the positioner with auxiliary power in potentially hazardous areas, ensure the
following:
● The installed electronic unit has been approved.
● The enclosure of the positioner is closed.
● The duct openings for electronic connections must be closed. Only use the Ex d certified
● If you use a "conduit piping system", install an ignition trap. The maximum distance
SIPART PS2 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E00074631-AE
DANGER
cable entries or sealing plugs.
between the ignition trap and the positioner enclosure is 46 cm (18 inch).
Installing/mounting
4.5 Installing option modules
55