Omron NX-EC0142 - Section 8 Pulse Output Units; 8-2 System Configuration; 8-5 Part Names and Functions; 8-7 I;O Refreshing Method Setting

CONTENTS
6
NX-series Position Interface Units User’s Manual (W524)
8-4 Basic Application Procedures.............................................................................................. 8-9
8-4-1 Procedures When Using the Motion Control Function Module ................................................... 8-9
8-4-2 Procedures When Not Using the Motion Control Function Module...........................................8-10
8-5 Part Names and Functions ................................................................................................. 8-12
8-5-1 Parts and Names ......................................................................................................................8-12
8-5-2 Functions of the Parts ............................................................................................................... 8-12
8-5-3 Indicators...................................................................................................................................8-13
8-6 Terminal Block Arrangement.............................................................................................. 8-14
8-6-1 NX-PG0112............................................................................................................................... 8-14
8-6-2 NX-PG0122...............................................................................................................................8-18
8-7 I/O Refreshing Method Setting ........................................................................................... 8-23
8-7-1 Setting the I/O Refreshing Methods..........................................................................................8-24
8-7-2 Synchronous I/O Refreshing.....................................................................................................8-25
8-7-3 Task Period Prioritized Refreshing............................................................................................8-26
8-7-4 Differences in I/O Refreshing Methods Based on the Controller .............................................. 8-28
8-8 I/O Data Specifications........................................................................................................ 8-31
8-8-1 Data Items for Allocation to I/O ................................................................................................. 8-31
8-8-2 Data Details............................................................................................................................... 8-32
8-8-3 Axis Settings .............................................................................................................................8-38
8-9 Setting Methods................................................................................................................... 8-39
8-9-1 Building and Wiring the System ................................................................................................ 8-39
8-9-2 Precautions When Using the Pulse Output Unit ....................................................................... 8-42
8-9-3 Setting Examples ...................................................................................................................... 8-47
8-10 Functions ............................................................................................................................. 8-52
8-10-1 Parameters................................................................................................................................ 8-52
8-10-2 Pulse Output Method ................................................................................................................8-53
8-10-3 Output Mode Selection..............................................................................................................8-55
8-10-4 External Output .........................................................................................................................8-59
8-10-5 Latching..................................................................................................................................... 8-61
8-10-6 External Input Function Selection ............................................................................................. 8-65
8-10-7 Load Rejection Output Setting .................................................................................................. 8-67
8-10-8 Interpolation Control for Missing Synchronization Command ...................................................8-69
8-10-9 Pulse Direction Change Delay .................................................................................................. 8-71
8-11 Specifications ...................................................................................................................... 8-73
8-11-1 General Specifications ..............................................................................................................8-73
8-11-2 Pulse Output Specifications ......................................................................................................8-74
8-11-3 External I/O Specifications ........................................................................................................8-75
Section 9 Application Example
9-1 Assumed System Configuration .......................................................................................... 9-2
9-2 Configuration Example ......................................................................................................... 9-3
9-2-1 System Configuration..................................................................................................................9-3
9-2-2 Servo Drive Wiring Example ....................................................................................................... 9-5
9-3 Setting Examples................................................................................................................... 9-7
9-3-1 EtherCAT Network and Slave Terminal Configuration ................................................................9-7
9-3-2 Parameter Settings for the Pulse Output Unit............................................................................. 9-7
9-3-3 I/O Assignments and Settings.....................................................................................................9-9
9-3-4 Setting Up the Motion Control Function Module .......................................................................9-12
9-4 Programming Examples ..................................................................................................... 9-13
9-4-1 Main Variables Used in Programming Example........................................................................ 9-13
9-4-2 Ladder Programming ................................................................................................................9-14