Frequency Inverter DF51... - Moeller.com.tr

04/07 AWB8230-1541GB EMC-<strong>com</strong>pliant installation1 2F 20 mH O L2 1 P24PESPE15ZB4-102-KS132Cu 2.5 mmM4PES4K7M MR1 REV FWDFigure 31:Control terminal connection (default setting)Screening motor supply cablesabIf contactors, maintenance switches, motor protection relays,motor reactors, filters or terminals are installed in the motorcabling, interrupt the screen near these <strong>com</strong>ponents and connectit to the mounting plate (PES) using a large contact surfaceconnection. The free, unscreened connecting cables should not belonger than about 100 mm.Example: Maintenance switchaPESe d cFigure 32: Sample motor cablea C screen braidb PVC outer sheathc Drain wire (copper strands)d PVC core insulation, 3 x black, 1 x green–yellowe Textile braid and PVC inner materialThe screened cable between frequency inverter and motor shouldbe as short as possible. Connect the screen to earth at both endsof the cable using a large contact surface connection.Figure 34: Maintenance switch, for example T… in an enclosurebPESLay the cables for the supply voltage separately from the signalcables and control cables.Never unravel the screening or use pigtails to make a connection.a Metal plate, for example MBS-I2 (a Installation instructionsAWA1150-2249), up to 32 A in a CI-K2 enclosureb Insulated PE terminalFigure 33:Inadmissible screen grounding (pigtails)35