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Siemens SIMATIC NET PROFIBUS User Manual

Page 157

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Passive Components for RS-485 Networks

4-59

PROFIBUS Networks SIMATIC NET
6GK1970-5CA20-0AA1 Release 2 05/2000

Note

The DIN rail must have a good conducting surface (for example tin plated).

Wall Mounting

Note

If the bus terminal is mounted on a wall, at least one PE terminal must be
connected to local ground. This connection should be over the shortest possible
distance.