Connection
5.1 Electric
SIPART PS2 with and without HART
68 Operating Instructions, 10/2013, A5E00074631-11
Lack of equipotential bonding
Danger of explosion through compensating currents or ignition currents through lack of
equipotential bonding.
• Ensure that the device is potentially equalized.
: It may be permissible to omit connection of the equipotential bonding for devices
with type of protection "Intrinsic safety Ex i".
Danger of explosion through unprotected cable ends in hazardous areas.
• Protect unused cable ends in accordance with IEC/EN 60079-14.
Improper laying of shielded cables
Danger of explosion through compensating currents between hazardous area and the non-
hazardous area.
• Only ground shielded cables that run into the hazardous area at one end.
• If grounding is required at both ends, use an equipotential bonding conductor.
Unsuitable cables and/or cable glands
Danger of explosion in hazardous areas.
• Only use suitable cables and cable glands complying with the requirements specified in
Chapter "Technical data (Page 235)".
• Tighten the cable glands in accordance with the torques specified in Chapter "Technical
data (Page 235)".
• When replacing cable glands use only cable glands of the same type.
• After installation check that the cables are seated firmly.
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