Safety instructions
10
Fibre optic cables
•
Do not install a drive equipped with an EMC (line) filter to an ungrounded
power system or a high resistance-grounded (over 30 ohms) power system.
Note:
•
Power cable shields are suitable for equipment grounding conductors only
when adequately sized to meet safety regulations.
•
As the normal leakage current of the drive is higher than 3.5 mA AC or
10 mA DC, a fixed protective earth connection is required by EN 61800-5-1,
4.3.5.5.2. The cross-section of the protective grounding conductor must be at
least 10 mm2 Cu or 16 mm2 Al.
WARNING!
•
Handle the fibre optic cables with care. When unplugging optic cables, always
grab the connector, not the cable itself. Do not touch the ends of the fibres with
bare hands as the fibre is extremely sensitive to dirt. The minimum allowed
bend radius is 35 mm (1.4 in.).
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