2 Cables and conductorsCable entry into the control cabinet is to be effected from the bottom. All cables must be installed with strain relief using permissible means. The shield bus is not a strain relief bus!Unique and permanent labelling of all incoming and outgoing cables must be provided for (cable markers).Empty cable / conductor entries are to be sealed using blanking plates.Inlet and outlet cables at the control cabinet, except for shielded measuring and data lines, must be laid via terminal blocks.Cables which are wired to the signal and functional modules of the control system (I/O level) have to be wired directly to the EtherCAT terminals without using terminal blocks.Connection of the individual cores to the spring-type connection points of the EtherCAT terminals is to be carried out without the use of wire end ferrules!For single cores, the following colours apply: