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7 SSI Input Units

NX-series Position Interface Units User’s Manual (W524)

7-6 I/O Refreshing Method Setting

7-6-3 Synchronous I/O Refreshing

Use the following procedure to select Enabled (DC for synchronization) from the Enable Distributed

Clock setting for the EtherCAT Coupler Unit and use synchronous I/O refreshing for SSI Input Units that

are connected to an EtherCAT Coupler Unit.

1 Double-click EtherCAT in the Multiview Explorer.

The following tab page is displayed.

2 Click the EtherCAT Coupler Unit under Configurations and Setup.

Change the Enable Distributed Clock setting to Enabled (DC for synchronization).

As a result, synchronous I/O refreshing is used.

Setting with the Sysmac Studio

Main Page

Introduction3
- Intended Audience3
- Applicable Products3
- Table of Contents4
Relevant Manuals10
Manual Structure11
- Page Structure and Icons11
- Special Information12
- Precaution on Terminology12
Terms and Conditions Agreement14
- Warranty, Limitations of Liability14
- Application Considerations15
- Disclaimers15
Safety Precautions16
- Definition of Precautionary Information16
- Symbols16
- Warnings16
- Cautions18
Precautions for Safe Use19
Precautions for Correct Use23
Regulations and Standards24
- Conformance to EC Directives24
- Conformance to UL and CSA Standards25
- Conformance to Shipbuilding Standards25
- Conformance to KC Standards25
- Software Licenses and Copyrights25
Unit Versions26
- Unit Versions and Sysmac Studio Versions28
Related Manuals29
Terminology32
Revision History33
Sections in this Manual35
- Features and System Configuration37
Section 1 Features and System Configuration38
- Features of Position Interface Units38
- System Configuration45
  - System Configuration When Connecting to an NJ/NX-Series Controller46
  - System Configuration When Connecting to a Controller Other than the NJ/NX-Series Controller47
- Models49
- Functions51
- Support Software55
Section 2 Specifications and Application Procedures58
- Specifications58
  - General Specifications for the Position Interface Units58
  - Specifications of Individual Units58
- Operating Procedures59
Section 3 Part Names and Functions72
- Parts and Names72
- Indicators73
- Terminal Blocks75
  - Installation and Wiring79
Section 4 Installation and Wiring80
- Installing Units80
- Connecting the Power Supply and Ground Wires86
- Wiring the Terminals97
  - Wiring to the Screwless Clamping Terminal Blocks97
  - Preventing Incorrect Attachment of Terminal Blocks105
- Wiring Precautions109
- Checking Wiring111
- Wiring Examples113
  - I/O Refreshing Methods115
- I/O Refreshing for Slave Terminals116
- I/O Refreshing Methods118
  - Setting the I/O Refreshing Methods118
  - I/O Refreshing Method Operation119
Section 6 Incremental Encoder Input Units129
- Interpreting Model Numbers129
- System Configuration130
- Basic Application Procedures131
  - Procedures When Using the Motion Control Function Module131
  - Procedures When Not Using the Motion Control Function Module132
- Part Names and Functions133
- Terminal Block Arrangement137
- I/O Refreshing Method Setting149
- I/O Data Specifications160
- Setting Methods169
- Functions172
- Specifications203
Section 7 SSI Input Units209
- Interpreting Model Numbers209
- System Configuration210
- Basic Application Procedures211
  - Procedures When Using the Motion Control Function Module211
  - Procedures When Not Using the Motion Control Function Module212
- Part Names and Functions213
- Terminal Block Arrangement216
  - Nx-Ecs112216
  - Nx-Ecs212218
- I/O Refreshing Method Setting220
- I/O Data Specifications236
- Setting Methods242
  - Building and Wiring the System242
  - Setting Examples242
- Functions244
- General Specifications264
Section 8 Pulse Output Units267
- Pulse Output Units267
- Interpreting Model Numbers267
- System Configuration268
- Pulse Output Control269
  - Control State269
  - Cyclic Synchronous Position Control Mode272
- Basic Application Procedures273
  - Procedures When Using the Motion Control Function Module273
  - Procedures When Not Using the Motion Control Function Module274
- Part Names and Functions276
- Terminal Block Arrangement278
  - Nx-Pg0122282
- I/O Refreshing Method Setting287
- I/O Data Specifications295
- Setting Methods303
- Functions316
- Specifications337
Section 9 Application Example342
- Assumed System Configuration342
- Configuration Example343
  - System Configuration343
  - Servo Drive Wiring Example345
- Setting Examples347
- Programming Examples353
  - Main Variables Used in Programming Example353
  - Ladder Programming354
    - Troubleshooting355
Section 10 Troubleshooting356
- Checking for Errors356
- Checking for Errors with the Indicators357
- Checking for Errors and Troubleshooting on the Sysmac Studio359
  - Checking for Errors from the Sysmac Studio359
  - Event Codes for Errors and Troubleshooting Procedures360
- Resetting Errors378
- Unit-Specific Troubleshooting379
- Troubleshooting Flow384
Section 11 Maintenance and Inspection386
- Cleaning and Maintenance386
  - Cleaning386
  - Periodic Inspections386
- Maintenance Procedures388
Appendices389
- Datasheets390
- Object Lists416
- Dimensions451
- Terminal Block Model Numbers452
  - Model Number Notation452
  - A-4-2 Model Number Table452
- Version Information453
- Applicable Motion Control Instructions457

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