Emc Limit Values In South Korea - Siemens SINUMERIK 840D sl Manual

Technical specifications
7.2 Secondary electrical conditions
Cable definition
Definition:
● Signal cables (example)
– Data cables (Ethernet, PROFIBUS, sensor cables, etc.)
– Digital I/Os
– Cables for safety functions (emergency stop, enabling)
● Power cables (example)
– Low-voltage supply lines (230 VAC, +24 VDC, etc.)
– Motor cables
Rules for routing cables
In order to achieve the greatest possible EMC compatibility for the complete system (control,
power unit, machine), the following EMC measures must be carefully observed:
● If necessary, signal and power cables may cross one another (if possible at an angle of 90°),
but must never be laid close or parallel to one another.
● Only use cables approved by SIEMENS for the signal lines from and to the Control Unit.
● Signal cables must not be routed close to strong external magnetic fields (e.g. motors and
transformers).
● If signal lines cannot be routed a sufficient distance away from other cables, they must be
installed in grounded cable ducts (metal).
● The operator panel fronts, MCPs, MPPs, and full keyboards must be installed in metallically
enclosed EMC-compatible housings.
Note
For further information on interference suppression measures and the connection of
shielded cables, please refer to the EMC Installation Guide.
7.2.4

EMC limit values in South Korea

The EMC limit values to be observed for Korea correspond to the limit values of the EMC
product standard for variable-speed electric drives EN 61800-3 of category C2 or the limit value
class A, Group 1 according to EN 55011. By implementing appropriate additional measures,
the limit values according to category C2 or limit value class A, Group 1, are observed. Further,
additional measures may be required, for instance, using an additional radio interference
suppression filter (EMC filter).
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Operator panel front: OP 012
Manual, 05/2019, A5E36371591B AB