Wiring
Operating Manual PMCprotego D.48, PMCprotego D.72
1001735-EN-04
105
Check
} Check the wiring against the wiring diagrams
6.5 EMC-compliant wiring
In terms of electromagnetic compatibility (EMC), the servo amplifier meets the requirements
of the following standards and laws:
} The EMC Directive 2014/30/EU
} The Low Voltage Directive 2014/35/EU.
} The EMC product standard EN61800-3, which contains limit values and test methods
for noise emission and immunity for adjustable speed electrical power drive systems
(PDS):
– Noise immunity: "Second environment" category (industrial environment)
– Noise emission:
Category C2 (length of motor cable ≤10m)
Category C3 (length of motor cable ≥10m)
Measures for ensuring the wiring is EMC-compliant are:
} Earthing
} Shielding
} Filter
} Chokes
WARNING!
In a residential environment this product may cause high-frequency noise,
so that suppression measures may be required.
6.5.1 Earthing
Earthing measures are a prerequisite for the effective use of additional EMC measures
such as shielding or filters:
} All earthing points should be fed directly to the central earth bar (equipotential bonding
bar).
} The connections must be low impedance and must be good conductors.
} Connections should be kept as short as possible.
} Connections to the earth bar should always be in star form.
} Connections should be protected from corrosion.
} Flexible earthing straps should be used on moving earth parts (e.g. machine parts,
gates). Ensure these earthing straps are as short and wide as possible.
} Unused wires in a cable should be earthed at both ends.
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