Electrical installation
Version: 1.0 ───
59XPlanar
8.6
Grounding the machine
bed
The ground connection must be made with the largest possible
cross-section, with a low impedance, over a large area and via a
short connection to large conductive fastenings. Beckhoff recom-
mends the use of wide connections with large contact surfaces.
Wide earth straps are suitable for this. The table below illustrates
typical suitable connectors:
Number Connector
1 Copper rail
2 Earth strap with cable lugs
3 Cable with cable lugs
Make sure that an optimally conductive connection is available at
the connection point for the protective conductor. To ensure this,
carefully remove paint, dirt, corrosion and all insulating components.
Use galvanized stud bolts and washers.
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