Connecting; Basic Safety Notes; Missing Pe/Ground Connection - Siemens SITRANS LR500 Series Operating Instructions Manual

Connecting

6.1

Basic safety notes

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
• Tighten the cable glands in accordance with the torques specified in Technical specifications
• 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.
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
6.1.1

Missing PE/ground connection

Missing PE/ground connection
Risk of explosion in hazardous area
Depending on the device version, connect the power supply as follows:
• Connecting terminals: Connect the terminals according to the terminal connection
SITRANS LR500 series with mA/HART
Operating Instructions, 03/2024, A5E51099898-AA
WARNING
protection.
(Page 169).
WARNING
input. Observe national regulations and the requirements stated in the relevant approvals.
WARNING
diagram. First connect the PE/ground conductor.
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