Connecting
5
5.1 Basic safety instructions
WARNING
Unsuitable cables, cable glands and/or plugs
Risk of explosion in hazardous areas.
● Use only cable glands/plugs that comply with the requirements for the relevant type of
protection.
● Tighten the cable glands in accordance with the torques specified in Technical data
(Page 63).
● Close unused cable inlets for the electrical connections.
● When replacing cable, glands use only cable glands of the same type.
● After installation, check that the cables are seated firmly.
WARNING
Incorrect conduit system
Risk of explosion in hazardous areas as result of open cable inlet or incorrect conduit system.
● In the case of a conduit system, mount a spark barrier at a defined distance from the device
input. Observe national regulations and the requirements stated in the relevant approvals.
WARNING
Unprotected cable ends
Risk of explosion through unprotected cable ends in hazardous areas.
● Protect unused cable ends in accordance with IEC/EN 60079-14.
SITRANS P320/P420 with 4 to 20 mA/HART
Compact Operating Instructions, 09/2018, A5E38874562-AB 35
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