Interconnection

Grounding Examples: SITRANS LC 500

Grounding is important for two reasons:

1.To prevent interference to the signal: system grounding

2.For safety purposes: safety grounding

Several common applications are illustrated. They are separated into two groups: the first group illustrates System Grounding and the second illustrates Safety Grounding.

System Grounding (referencing)

For the measuring system to function correctly, the reference electrode must be properly grounded. Make sure that there is a reliable connection from the instrument housing to the reference electrode (usually a metal tank). Some common applications involving system grounding include:

metal tanks

metal tanks, cathodically protected

non-conductive tanks

Metal Tanks

ground lug

 

If the metal tank is reliably grounded, connect the ground lug on the SITRANS LC 500 to the earth ground on the tank as shown.

(See page 26 for connection diagram.)

metal

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SITRANS LC 500 – INSTRUCTION MANUAL

7ML19985GE01

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Siemens LC 500 instruction manual Grounding Examples Sitrans LC, System Grounding referencing, Metal Tanks