YASKAWA CDBR-****D User & Installation Manual

Also see for LKEB Series: Installation manual Instructions

Contents

62 YASKAWA ELECTRIC TOBP C720600 01E YASKAWA AC Drive Option CDBR-D, LKEB- Installation Manual9 CDBR Braking Unit and LKEB Braking Resistor Selection9 CDBR Braking Unit and LKEB Braking Resistor Selection◆ CDBR Braking Unit and LKEB Braking Resistor SelectionSelect a CDBR Braking Unit and LKEB Braking Resistor Unit based on application-specificrequirements and the selected AC drive.Refer to the local catalog for selections based on other drive models.◆ CDBR Braking Unit Fault Circuit Connection DiagramsFigure 28Figure 28 Fault Circuit Connection Diagram A (LKEB Braking Resistor Unit)<1> 200 V class drives do not require a control circuit transformer.<2> Set L3-04 to 0 or 3 to disable Stall Prevention during deceleration when using an LKEB Braking Resistor Unit.Enabling the function under these conditions may prevent the drive from stopping within the specifieddeceleration time.LKEB BrakingResistor UnitBraking resistoroverheat switch(thermal relay trip)Fault relay contact(Ground)DriveBraking resistoroverheat switch(thermal relay trip)Wiring sequence should shut off power to the drivewhen a CDBR transistor short-circuit detectionoutput is triggered or a braking resistor unitoverheat switch is triggered.ELCB (MCCB)RST M1 2P BR/L1MCS/L2T/L3B1 B2U/T1V/T2W/T3SA1 2TRXMC MATRXSAONOFFTHRXMCMCSATHRXMC MB<2><1>3-phase