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About this Manual
This manual provides information required to select cables, peripheral devices, and options for Σ-7-
Series AC Servo Drives. It also describes the wiring materials that you can use to make your own cables.
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.
Refer to these chapters as required.
Chapter Chapter Title Contents
1
Peripheral Devices and 
System Configurations
This chapter provides system configuration diagrams of Servo Drives and 
peripheral devices. References are provided to detailed information.
2
Cables and User-Assembled 
Wiring Materials for SGM7M 
Rotary Servomotors
These chapters provide the following information.
• Selection tables, specifications, and dimensional drawings for Servomotor 
Main Circuit Cables, Encoder Cables, and user-assembled wiring materi-
als
Note: References to detailed information are provided in the system configu-
ration diagrams.
3
Cables and User-Assembled 
Wiring Materials for SGM7J 
Rotary Servomotors
4
Cables and User-Assembled 
Wiring Materials for SGM7A 
Rotary Servomotors
5
Cables and User-Assembled 
Wiring Materials for SGM7P 
Rotary Servomotors
6
Cables and User-Assembled 
Wiring Materials for SGM7G 
Rotary Servomotors
7
Cables and User-Assembled 
Wiring Materials for SGMMV 
Rotary Servomotors
8
Cables and User-Assembled 
Wiring Materials for Direct 
Drive Servomotors
9
Cables and User-Assembled 
Wiring Materials for Linear 
Servomotors
This chapter provides the following information.
• Information on recommended Linear Encoders and connected system 
configurations
• Selection tables, specifications, and dimensional drawings for Servomotor 
Main Circuit Cables, Linear Encoder Cables, Sensor Cables, and user-
assembled wiring materials
• Selection tables, specifications, and dimensional drawings for Serial Con-
verter Units and Cables
Note: References to detailed information are provided in the system configu-
ration diagrams.
10
Cables and User-Assembled 
Wiring Materials for 
SERVOPACKs
This chapter provides selection tables, specifications, and dimensional 
drawings for SERVOPACK cables.
11 Option Modules
This chapter provides the specifications and dimensional drawings of Option Modules.
12
SERVOPACK Peripheral 
Devices
This chapter provides selection tables, specifications, and dimensional 
drawings for SERVOPACK peripheral devices.
13 Software
This chapter provides information on the SigmaWin+, Yaskawa’s AC Servo 
Drive Engineering Tool, and MPE720, our System Integrated Engineering Tool.
14
Other Peripheral Devices and 
Options
This chapter provides information on surge absorbers and diodes for hold-
ing brake power supplies. It also provides information on the battery 
required to use an absolute encoder.
And it provides information on the compatibility of cables for Σ-V-Series Ser-
vomotors and information on metal connectors.