
EMC
I5300 User Manual
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7.4 Shielded Cable
7.4.1 Requirements for Shielded Cable
The shielded cable must be used to satisfy the EMC requirements of CE marking. Shielded
cables are classified into three-conductor cable and four-conductor cable. If conductivity
of the cable shield is not sufficient, add an independent PE cable, or use a four-conductor
cable, of which one phase conductor is PE cable.
The
three-conductor cable and four-conductor cable are shown in the following figure.
PE
Shield
PE conductor
and shield
PE
Shield
To suppress emission and conduction of the radio frequency interference effectively, the
shield of the shielded cable is cooper braid. The braided density of the cooper braid should
be greater than 90% to enhance the shielding efficiency and conductivity, as shown in the
following figure.
Cable core
Internal insulation
Copper braid
Copper shield
Insulation jacket
The following figure shows the grounding method of the shielded cable.
Figure 7-1 Grounding of the shielded cable
The shield
must be
grounded.
Summary of Contents for I5300 Series
Page 8: ......
Page 9: ...1 Safety Information and Precautions ...
Page 16: ...Safety Information and Precautions I5300 User Manual 16 ...
Page 17: ...2 Product Information ...
Page 28: ...Product Information I5300 User Manual 28 ...
Page 29: ...3 Mechanical and Electrical Installation ...
Page 45: ...4 Operation Display and Application Examples ...
Page 78: ...Operation Display and Application Examples I5300 User Manual 78 ...
Page 79: ...5 Function Code Table ...
Page 135: ...6 Description of Function Codes ...
Page 247: ...7 EMC ...
Page 255: ...8 Selection and Dimensions ...
Page 261: ...9 Maintenance and Troubleshooting ...