8-3 Homing Operation................................................................................................................8-13
8-4 Homing with an Absolute Encoder ....................................................................................8-14
8-4-1 Outline of Function ....................................................................................................................8-15
8-4-2 Setting Procedure .....................................................................................................................8-17
8-5 High-speed Homing .............................................................................................................8-19
Section 9 Motion Control Functions
9-1 Single-axis Position Control .................................................................................................9-3
9-1-1 Outline of Operation ....................................................................................................................9-3
9-1-2 Absolute Positioning....................................................................................................................9-4
9-1-3 Relative Positioning.....................................................................................................................9-4
9-1-4 Interrupt Feeding.........................................................................................................................9-4
9-1-5 Cyclic Synchronous Positioning ..................................................................................................9-6
9-1-6 Stopping ......................................................................................................................................9-6
9-1-7 Override Factors .......................................................................................................................9-11
9-2 Single-axis Synchronized Control......................................................................................9-13
9-2-1 Overview of Synchronized Control............................................................................................9-13
9-2-2 Gear Operation .........................................................................................................................9-13
9-2-3 Positioning Gear Operation.......................................................................................................9-14
9-2-4 Cam Operation..........................................................................................................................9-15
9-2-5 Cam Tables ...............................................................................................................................9-16
9-2-6 Synchronous Positioning...........................................................................................................9-24
9-2-7 Combining Axes ........................................................................................................................9-25
9-2-8 Master Axis Phase Shift ............................................................................................................9-26
9-2-9 Slave Axis Position Compensation ...........................................................................................9-27
9-2-10 Achieving Synchronized Control in Multi-motion.......................................................................9-28
9-3 Single-axis Velocity Control................................................................................................9-30
9-3-1 Velocity Control .........................................................................................................................9-30
9-3-2 Cyclic Synchronous Velocity Control.........................................................................................9-30
9-4 Single-axis Torque Control .................................................................................................9-32
9-5 Common Functions for Single-axis Control......................................................................9-33
9-5-1 Positions....................................................................................................................................9-33
9-5-2 Velocity......................................................................................................................................9-35
9-5-3 Acceleration and Deceleration ..................................................................................................9-36
9-5-4 Jerk ...........................................................................................................................................9-38
9-5-5 Specifying the Operation Direction............................................................................................9-39
9-5-6 Re-executing Motion Control Instructions .................................................................................9-43
9-5-7 Multi-execution of Motion Control Instructions (Buffer Mode) ...................................................9-48
9-6 Multi-axes Coordinated Control .........................................................................................9-55
9-6-1 Outline of Operation ..................................................................................................................9-55
9-6-2 Linear Interpolation ...................................................................................................................9-57
9-6-3 Circular Interpolation .................................................................................................................9-58
9-6-4 Axes Group Cyclic Synchronous Positioning ............................................................................9-59
9-6-5 Stopping Under Multi-axes Coordinated Control.......................................................................9-59
9-6-6 Overrides for Multi-axes Coordinated Control...........................................................................9-61
9-7 Common Functions for Multi-axes Coordinated Control.................................................9-63
9-7-1 Velocity Under Multi-axes Coordinated Control ........................................................................9-63
9-7-2 Acceleration and Deceleration Under Multi-axes Coordinated Control.....................................9-64
9-7-3 Jerk for Multi-axes Coordinated Control....................................................................................9-65
9-7-4 Re-executing Motion Control Instructions for Multi-axes Coordinated Control .........................9-66
9-7-5 Multi-execution of Motion Control Instructions (Buffer Mode) for Multi-axes Coordinat-
ed Control..................................................................................................................................9-67
9-8 Other Functions ...................................................................................................................9-76
9-8-1 Changing the Current Position ..................................................................................................9-76
9-8-2 Torque Limit...............................................................................................................................9-77
9-8-3 Latching.....................................................................................................................................9-77
9-8-4 Zone Monitoring ........................................................................................................................9-78
CONTENTS
13
NJ/NX-series CPU Unit Motion Control User’s Manual (W507)