YASKAWA SERVOPACK Sigma 7W Series Product Manual

Contents

xiii Differences in Terms for Rotary Servomotors and Linear ServomotorsThere are differences in the terms that are used for Rotary Servomotors and Linear Servomotors.This manual primarily describes Rotary Servomotors. If you are using a Linear Servomotor, youneed to interpret the terms as given in the following table. Notation Used in this Manual Notation for Reverse SignalsThe names of reverse signals (i.e., ones that are valid when low) are written with a forward slash (/)before the signal abbreviation.Notation ExampleBK is written as /BK. Trademarks• QR code is a trademark of Denso Wave Inc.• MECHATROLINK is a trademark of the MECHATROLINK Members Association.• DeviceNet is a registered trademark of the ODVA (Open DeviceNet Venders Association).• PROFIBUS is a trademark of the PROFIBUS User Organization.• Ethernet is a registered trademark of the Xerox Corporation.• Other product names and company names are the trademarks or registered trademarks of therespective company. “TM” and the ® mark do not appear with product or company names in thismanual. Visual AidsThe following aids are used to indicate certain types of information for easier reference.Rotary Servomotors Linear Servomotorstorque forcemoment of inertia massrotation movementforward rotation and reverse rotation forward movement and reverse movementCW and CCW pulse trains forward and reverse pulse trainsrotary encoder linear encoderabsolute rotary encoder absolute linear encoderincremental rotary encoder incremental linear encoderunit: min -1 unit: mm/sunit: N·m unit: NIndicates precautions or restrictions that must be observed.Also indicates alarm displays and other precautions that will not result in machine damage.Indicates definitions of difficult terms or terms that have not been previously explained in this manual.Indicates operating or setting examples.Indicates supplemental information to deepen understanding or useful information.ImportantTermExampleInformation