Distance between PROFIBUS and live cables?

Does it make sense to keep a distance between PROFIBUS and live cables?

t.weihmann
t.weihmann / newcomer (72)
 

Answers

Top answer

Yes, there should be at least 10cm distance between the cables, otherwise interference can cause interference.

over9k
over9k / expert (2252)
 

PROFIBUS communication can get disturbed by interference that is caused by parallel high voltage power lines.

At least 10 cm of air space is a must between cables, but that depends on the level of voltage in the power lines. Also, cables that cross each other are not going to cause any problems.

It is common for operators to mix all of the cables in one cable tray which ultimately leads to unreliable performance behavior.

One more thing to mention that is very very important here is that the distance between the cables is not the only requirement, but the cables must have the correct shielding!

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