iii
About this Manual
This manual describes the Σ-7-Series AC Servo Drive Σ-7S SERVOPACKs for indexing applica-
tions.
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 Manual
The contents of the chapters of this manual are described in the following table.
When you use the Σ-7S SERVOPACKs for indexing applications, use this manual together with the 
relevant Σ-7-Series product manual.
Item
This 
Manual
Σ-7S SERVOPACKs 
Analog Voltage/Pulse Train 
References Product Manual
Basic Information on 
SERVOPACKs
The Σ-7 Series - 1.1
Product Introduction 1.1 -
Interpreting the Nameplate - 1.2
Part Names - 1.3
Model Designations 1.2 -
Combinations of SERVOPACKs and Servomo-
tors
1.3 -
Functions - 1.6
Selecting a
 SERVOPACK
Ratings 2.1 -
SERVOPACK Overload Characteristics 2.2 -
Specifications 2.3 -
Block Diagrams - 2.2
External Dimensions - 2.3
Examples of Standard Connections between 
SERVOPACKs and Peripheral Devices
-2.4
SERVOPACK Installation - Chapter 3
Wiring and 
Connecting 
SERVOPACKs
Wiring and Connecting SERVOPACKs - 4.1
Basic Wiring Diagrams 3.1 -
Wiring the Power Supply to the SERVOPACK - 4.3
Wiring Servomotors - 4.4
I/O Signal Connections 3.2 -
Connecting Safety Function Signals - 4.6
Connecting the Other Connectors - 4.7
Basic Functions That Require Setting before Operation - Chapter 5
Application Functions - Chapter 6
Continued on next page.