YASKAWA SI-EM3 Installation Manual

Also see for SI-EM3: Technical manual Technical manual Technical manual Installation manual Technical manual

Contents

18 YASKAWA ELECTRIC TOBP C730600 91D YASKAWA AC Drive Option SI-EM3 Installation Manual5 Installation Procedure5 Installation Procedureu Section SafetyDANGERElectrical Shock HazardDo not inspect, connect, or disconnect any wiring while the drive is energized.Failure to comply will cause death or serious injury.Before servicing, disconnect all power to the equipment and wait for at least the timespecified on the warning label. The internal capacitor remains charged even after the driveis de-energized. The charge indicator LED will extinguish when the DC bus voltage isbelow 50 Vdc. When all indicators are OFF, measure for unsafe voltages to confirm thedrive is safe.WARNINGElectrical Shock HazardDo not operate equipment with covers removed.Failure to comply could cause death or serious injury.The diagrams in this section may include options and drives without covers or safetyshields to illustrate details. Reinstall covers and shields before operating the drive and runthe drive according to the instructions described in this manual.Do not allow unqualified personnel to perform work on the drive or option.Failure to comply could cause death or serious injury.Only authorized personnel familiar with installation, adjustment, and maintenance of ACdrives and options may perform work.Do not remove covers or touch circuit boards while the drive is energized.Failure to comply could cause death or serious injury.