Installing The Optional Modules In The "Flameproof Enclosure" Version - Siemens SIPART PS2 Operating Instructions Manual

Installing/mounting
4.7 Installing the optional modules
4.7.1.3

Installing the optional modules in the "flameproof enclosure" version

Introduction
The following option modules are available for the positioner in the flameproof enclosure:
● Position feedback module
● Alarm module
● Internal NCS module
● EMC filter module
Risk of explosion
You must fulfill the following conditions before supplying auxiliary power to the positioner in
potentially hazardous areas:
● 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
● You must install an ignition trap if you use a "conduit piping system". The maximum
58
DANGER
cable entries or sealing plugs.
distance between the ignition trap and the positioner enclosure is 46 cm or 18".
SIPART PS2 with PROFIBUS PA
Operating Instructions, 02/2016, A5E00127926-AB