4 YASKAWA ELECTRIC TOBP C730600 39A YASKAWA AC Drive-Option Card DI-A3 Installation Manual1 Preface1 PrefaceYaskawa manufactures products used as components in a wide variety of industrial systemsand equipment. The selection and application of Yaskawa products remain the responsibilityof the equipment manufacturer or end user. Yaskawa accepts no responsibility for the way itsproducts are incorporated into the final system design. Under no circumstances should anyYaskawa product be incorporated into any product or design as the exclusive or sole safetycontrol. Without exception, all controls should be designed to detect faults dynamically andfail safely under all circumstances. All systems or equipment designed to incorporate aproduct manufactured by Yaskawa must be supplied to the end user with appropriatewarnings and instructions as to the safe use and operation of that part. Any warningsprovided by Yaskawa must be promptly provided to the end user. Yaskawa offers an expresswarranty only as to the quality of its products in conforming to standards and specificationspublished in the Yaskawa manual. NO OTHER WARRANTY, EXPRESS OR IMPLIED, ISOFFERED. Yaskawa assumes no liability for any personal injury, property damage, losses,or claims arising from misapplication of its products.ā Applicable DocumentationThis instruction manual has been written for the items listed below. Use this option card forits intended purpose only.Option CardYASKAWA AC Drive-Option CardDigital Input DI-A3 Installation Manual (this book)Document No. TOBP C730600 39Read this manual first.It contains information required to install the option card and set up related driveparameters.DriveRefer to the manual of the drive this option card is being used with.The manual for the drive covers basic installation, wiring, operation procedures,functions, troubleshooting, and maintenance information.It also includes important information on parameter settings and how to tune the drive.To obtain instruction manuals for Yaskawa products access these sites:Europe: http://www.yaskawa.eu.comJapan: http://www.e-mechatronics.comOther areas: contact a Yaskawa representative.