3-19System ManualC79000-G8576-C199-063.3.5 Checklist for the Electromagnetically Compatible Installation ofControl SystemsEMC Measures NotesConnection of inactive parts (Section 3.2)Check, in particular, the connections on: Subracks Cabinet members Shield and protective conductor barsDo all inactive metal parts have a large-area, low-impedanceinterconnection and ground?Is there a satisfactory connection to the ground/protective conductorsystem?Have insulating layers on painted and anodized surfaces beenremoved, or have special contact washers been used for theconnections?Are connections protected from corrosion, e.g. by grease?Are cabinet doors connected to the cabinet element with groundingstrips?Routing of cables (Section 3.3.1)Cabling subdivided into line groups?Supply cables (230 to 400 V) and signal lines laid in separate ducts orbundles?Equipotential bonding (Section 3.3.2)With a separate arrangement, check that the equipotential bondingconductor has been correctly laid.Shielding of cables (Section 3.3.3)Have metal connectors been used throughout?Are all analog and data lines shielded?Are line shields connected to the shield or protective conductor bar atthe cabinet entry?Are line shields secured with cable clamps over a large area and atlow impedance?Are line shields connected at both ends where possible?Inductances (Section 3.3.4)Are contactor coils which are switched via contacts, fitted withquenching elements?Installation Guidelines
