Siemens 6DR50 Series Operating Instructions Manual page 72

Connection
5.1 Basic safety instructions
Unprotected cable ends
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
• Tighten the cable glands in accordance with the torques specified in Chapter "Technical
• When replacing cable glands use only cable glands of the same type.
• After installation check that the cables are seated firmly.
Incorrect selection of type of protection
Danger of explosion in areas subject to explosion hazard.
This device is approved for several types of protection.
1. Decide in favor of one type of protection.
2. Connect the device in accordance with the selected type of protection.
3. In order to avoid incorrect use at a later point, make the types of protection that are not
70
WARNING
WARNING
WARNING
Chapter "Technical data (Page 241)".
data (Page 241)".
WARNING
used permanently unrecognizable on the nameplate.
SIPART PS2 with and without HART
Operating Instructions, 09/2014, A5E00074631-12