Siemens 7ML5431 - Unsuitable Cables, Cable Glands And;Or Plugs

Installing/mounting
4.1 Basic safety information
SITRANS LR250 with FOUNDATION FIELDBUS
Compact Operating Instructions, 09/2021, A5E48453221-AB
17
4.1.1 Unsuitable cables, cable glands and/or plugs
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 Installation
instructions (Page 24).
• Close unused cable inlets for the electrical connections.
• When replacing cable glands, only use 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.