Eaton XC-152 Series Manual

3 Installation3.3 Communication cables30 Compact PLC XC-152 05/17 MN050001ZU EN www.eaton.comFigure 5: prefabricated SUB-D plugA Cable with sheathB Heat-shrink tubing or rubber grommetC StrapD Screen braidE SUB-D plugF Fixing screw UNC3.3.2 Screening the communication cables usedIn order to ensure that signals are transmitted without noise so as to complywith EMC B requirements, the communication cables used must bescreened.▶ Use screened cables or screen the cables yourself with a ferrite ringsuch as:Würth STAR-RING snap-together ferrite, split ferrite core, 30 x 20 x 20mm, for cables with a diameter of 8 mmWürth STAR-GAP snap-together ferrite, split ferrite core, 31.5 x 35 x28.3 mm, for cables with a diameter of 13 mm▶ Make sure to properly place the ferrite ring on the communication cableat a location close to the connection side (max. distance of 20 cm fromthe external device plug) on the device.A B C D E FFigure 6: Screening with snap-together ferrite ringFigure 7: Ethernet cable shielding example:double loop through ferrite core