ABB OmniCore E10 Product Manual

Ground and screen connectionsThe task of the grounding system is twofold - protective and functional. The primarytask is to serve as protective earth (PE) for personal and equipment safety. Thesecondary task is to serve as a return path for common mode current.For further information refer to EN 60204-1 and UL 1740.Grounding requirementsThe controller cabinet ground must come from the mains power supply PE.• The grounding cable color shall be green-yellow.• The ground for the controller cabinet, robot manipulator and peripheraldevices must be the same, preferably an equipotential ground grid (mesh).• Ground connection points must have stable inter-metallic bonding, like screwfixation. Paint, dirt, rust, and other insulating material must be removed fromthe contacting surfaces.For requirements on the marking of the supply ground connection inside the controlcabinet refer to UL 508C. For further details on how grounding systems should bedesigned refer to IEC 61000-5-2. For details of cross-sectional area of PE refer toIEC 60204-1.Grounding installationFor information on how to connect protective earth to the OmniCore controllercabinet, see Connecting power supply to and grounding the controller on page 73.For information on how to connect protective earth for the manipulator, see thecorresponding product manual.ExamplesThe following figure shows 2 examples on how protective earth and the signalcable screens can be connected:Control cabinet External unitExample 1Example 2xx1200000960Continues on next pageProduct manual - OmniCore E10 693HAC079399-001 Revision: C© Copyright 2019-2022 ABB. All rights reserved.3 Installation and commissioning3.5.2 Connecting cables to the controllerContinued