SIPART PS2 with and without HART
Operating Instructions, 10/2013, A5E00074631-11
67
Basic safety instructions
Danger of explosion in hazardous areas as result of incorrect power supply, e.g. using
direct current instead of alternating current.
• Connect the device in accordance with the specified power supply and signal circuits.
The relevant specifications can be found in the certificates, in Chapter "Technical data
(Page 235)" or on the nameplate.
Danger of explosion in hazardous areas due to voltage flashover.
• Connect the device to an extra-low voltage with safe isolation (SELV).
Connecting device in energized state
Danger of explosion in hazardous areas.
• Connect devices in hazardous areas only in a de-energized state.
:
• Circuits of limited energy may also be connected in the energized state in hazardous
areas.
• Exceptions for type of protection "Non-sparking nA" (Zone 2) are regulated in the
relevant certificate
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