1.1 Introduction.............................................................................................................................................. 1- 1

1.1.1 Function block diagram.................................................................................................................... 1- 2

1.1.2 System configuration........................................................................................................................ 1- 3

1.1.3 I/O devices ......................................................................................................................................... 1- 8

1.2 Servo amplifier standard specifications ................................................................................................ 1- 9

1.3 Function list ............................................................................................................................................ 1-11

1.4 Model code definition ............................................................................................................................. 1-12

1.5 Combination with servo motor.............................................................................................................. 1-13

1.6 Structure.................................................................................................................................................. 1-14

1.6.1 Part names ....................................................................................................................................... 1-14

1.6.2 Removal and reinstallation of the front cover .............................................................................. 1-18

1.7 Servo system with auxiliary equipment............................................................................................... 1-20

2. INSTALLATION

2.1 Environmental conditions....................................................................................................................... 2- 1

2.2 Installation direction and clearances .................................................................................................... 2- 2

2.3 Keep out foreign materials ..................................................................................................................... 2- 3

2.4 Cable stress .............................................................................................................................................. 2- 4

3. SIGNALS AND WIRING

3.1 Standard connection example ................................................................................................................ 3- 2

3.2 Internal connection diagram of servo amplifier ................................................................................... 3- 4

3.3 I/O signals................................................................................................................................................. 3- 5

3.3.1 Connectors and signal arrangements............................................................................................. 3- 5

3.3.2 Signal (devices) explanations .......................................................................................................... 3- 6

3.4 Detailed description of signals (devices)............................................................................................... 3-13

3.4.1 Forward rotation start Reverse rotation start Temporary stop/Restart................................ 3-13

3.4.2 Movement complete......................................................................................................................... 3-14

3.4.3 Override ............................................................................................................................................ 3-15

3.4.4 Torque limit...................................................................................................................................... 3-16

3.5 Alarm occurrence timing chart ............................................................................................................. 3-18

3.6 Interfaces................................................................................................................................................. 3-19

3.6.1 Common line .................................................................................................................................... 3-19

3.6.2 Detailed description of the interfaces ............................................................................................ 3-20

3.7 Input power supply circuit..................................................................................................................... 3-23

3.7.1 Connection example......................................................................................................................... 3-23

3.7.2 Terminals.......................................................................................................................................... 3-25

3.7.3 Power-on sequence........................................................................................................................... 3-26

3.8 Connection of servo amplifier and servo motor ................................................................................... 3-27

3.8.1 Connection instructions .................................................................................................................. 3-27

3.8.2 Connection diagram......................................................................................................................... 3-27

3.8.3 I/O terminals .................................................................................................................................... 3-29

CONTENTS

1- 1 to 1-24

2- 1 to 2- 4

3- 1 to 3-36