iiiAbout this ManualThis manual describes the following two types of SERVOPACKs that are equipped with the HWBBsafety function.• Σ-7-Series AC Servo Drive Σ-7W SERVOPACK with MECHATROLINK-III Communications Refer-ences HWBB Option Specifications (SGD7W-700)• Σ-7-Series AC Servo Drive Σ-7C SERVOPACKs (SGD7C-700)It describes the specifications of Σ-7W/Σ-7C SERVOPACKs that are different from the Σ-7W/Σ-7CSERVOPACKs that do not have the HWBB function.Refer to the following manuals for your SERVOPACK for other product information.Σ-7-Series Σ-7W SERVOPACK with MECHATROLINK-III Communications References Product Manual (Manual No.: SIEPS800001 29)Σ-7-Series Σ-7C SERVOPACK Product Manual (Manual No.: SIEP S800002 04)Σ-7-Series Σ-7C SERVOPACK Troubleshooting Manual (Manual No.: SIEP S800002 07)Read and understand this manual and the above manual to ensure correct usage of the Σ-7-SeriesAC Servo Drives.Keep this manual and the above manuals in a safe place so that they can be referred to whenevernecessary.Finding InformationInformation on these SERVOPACKs is provided in different manuals.Use the following table to find what information is provided in this manual and what information isprovided in the other manuals given in the table.Σ-7-Series Σ-7W SERVOPACK with MECHATROLINK-III Communications References Product Manual (Manual No.: SIEP S80000129)Σ-7-Series Σ-7C SERVOPACK Product Manual (Manual No.: SIEP S800002 04)Item ThisManualΣ-7W SERVOPACKwith MECHATROLINK-IIICommunications Refer-ences Product Manual(Manual No.:SIEP S800001 29)Σ-7C SERVOPACKProduct Manual(Manual No.:SIEP S800002 04)BasicInformation onSERVOPACKsThe Σ-7 Series − 1.1 1.1SERVOPACKs with HWBB Function 1.1 − −Interpreting the Nameplate 1.2 − −Part Names 1.3 − −Model Designa-tionsInterpretingSERVOPACKModel Numbers1.4 − −Interpreting Servo-motor Model Num-bers− 1.4.2 1.4.2Combinations of SERVOPACKs andServomotors − 1.5 1.11Functions − 1.6 1.13Continued on next page.