Danfoss VLT Series Operating Instructions Manual

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Danfoss VLT Series Operating Instructions Manual Manual pdf 3 page image

1 General Information1.1 Important Safety WarningsWARNINGHIGH VOLTAGEThe ISD 410 servo system contains components whichoperate at a high voltage when connected to the electricalsupply network. A hazardous voltage is present on theservomotors, the power supply module and theconnection box whenever they are connected to the mainsnetwork. There are no indicators on the servomotor thatindicate the presence of mains voltage. This indication isprovided on the connection box. Installation, commis-sioning and maintenance may only be performed byqualified staff. Incorrect installation, commissioning ormaintenance can lead to death or serious injury.WARNINGUNINTENDED STARTThe ISD 410 servo system contains servomotors which areconnected to the electrical supply network and can startrunning at any time. This may be caused by an externalswitch, a CAN bus command, a reference signal, or clearinga fault condition. Servomotors and all connected devicesmust be in good operating condition. A deficient operatingcondition may lead to death, serious injury, damage toequipment or other material damage when the unit isconnected to the electrical supply network. Take suitablemeasures to prevent unintended starts.WARNINGDISCHARGE TIMEThe servomotors, the connection box and the powersupply module contain DC link capacitors, that remaincharged for some time after the mains supply is switchedoff at the power supply module.To avoid electrical shock, fully disconnect the powersupply module from the mains before carrying out anymaintenance on the ISD servo system or its components.Wait for at least the time listed below before carrying outmaintenance work:Number Minimum waiting time (discharge time)1-60 servomotors 10 minutesNote: High voltage may still be present even if the LED on theISD connection box is not lit!Table 1.1 Discharge Time1.2 CopyrightDisclosure, duplication and sale of this document, as wellas communication of its content, are prohibited unlessexplicitly permitted. Infringement of this prohibition incursliability for damages. All rights reserved with regard topatents, utility patents and registered designs.ISD is a registered trademark.1.3 Product Names and TrademarksVLT® and ISD® are registered trademarks of Danfoss. Allother product names and trademarks used in thisdocumentation are trademarks or registered trademarks oftheir respective titleholders.1.4 DisclaimerNo liability is assumed for any damage or breakdownresulting from:• Failure to observe the information in theinstruction manuals• Unauthorised modifications to the ISD servosystem or its components• Operator error• Improper work on or with the ISD servo systemor its components.1.5 Approvals1.5.1 ISD 410 Servomotor, ISD Encoder Boxand ISD Connection BoxTable 1.2 Approvals for the ISD 410 Servomotor, ISD Encoder Boxand ISD Connection BoxGeneral Information VLT® ISD Power Supply Module Operating InstructionsMG75H102 - VLT® is a registered Danfoss trademark 31 1