iiiAbout this ManualThis manual describes the feed shaft motor drive of the Σ-7-Series AC Servo Drive Σ-7S SERVO-PACKs for cutting applications.Read and understand this manual to ensure correct usage of the Σ-7-Series AC Servo Drives.Keep this manual in a safe place so that it can be referred to whenever necessary.Outline of ManualThe contents of the chapters of this manual are described in the following table.When you use the SERVOPACK, read this manual and the product manual given in the followingtable.Item ThisManualΣ-7S SERVOPACK withMECHATROLINK-IIICommunications ReferencesProduct Manual(Manual No.: SIEP S800001 28)Basic Informa-tion onSERVOPACKsThe Σ-7 Series – 1.1Product Introduction 1.1 –Interpreting the Nameplates – 1.2Part Names – 1.3Model Designations 1.2 –Combinations of SERVOPACKs and Servomotors 1.3 –Functions 1.4 –Restrictions 1.5 –SigmaWin+ 1.6 –Combining the SERVOPACKs with MP-Series MachineControllers and the MPE720 Engineering Tool 1.7 –Selecting aSERVOPACKRatings 2.1 –Overload Protection Characteristics 2.2 –Specifications 2.3 –Block Diagrams – 2.2External Dimensions – 2.3Examples of Standard Connections between SERVO-PACKs and Peripheral Devices – 2.4SERVOPACK Installation – Chapter 3Wiring andConnectingSERVOPACKsWiring Precautions – 4.1Basic Wiring Diagrams 3.1 –Wiring the Power Supply to the SERVOPACK – 4.3Wiring Servomotors – 4.4I/O Signal Connections 3.2 –Connecting the Gap Sensor 3.3 –Connecting Safety Function Signals – 4.6Connecting MECHATROLINK Communications Cables – 4.7Connecting the Other Connectors – 4.8Basic Functions That Require Setting before Operation – Chapter 5Clearance Control Chapter 4 –Continued on next page.