Siemens SINUMERIK 840D sl Manual page 13
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- Function manual (2184 pages) ,
- Programming manual (1334 pages) ,
- Commissioning manual (1102 pages)
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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.
EMC limit values in South Korea
The EMC limit values to be complied with for South Korea correspond to the limit values of the
EMC product standard for variable-speed electric drives EN 61800-3, Category C2, or limit
value class A, Group 1 according to EN 55011. By applying suitable supplementary measures,
the limit values according to Category C2 or according to limit value class A, Group 1, are
maintained. Further, additional measures may be required, for instance, using an additional
radio interference suppression filter (EMC filter).
The measures for EMC-compliant design of the system are described in detail in this manual
respectively in the Installation Guideline EMC.
Operator panel front: OP 012
Manual, 09/2016, A5E36371591B
General information and networking
1.2 Application planning
13
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