3 
Contents 
 
1.  Related Manuals .................................................................................. 4 
2.  Terms and Definitions ......................................................................... 5 
3.  Precautions .......................................................................................... 6 
4.  Overview ............................................................................................... 7 
5.  Applicable Devices and Device Configuration ................................. 8 
5.1.  Applicable Devices ................................................................................ 8 
5.2.  Device Configuration ............................................................................. 9 
6.  EtherCAT Connection Procedure .................................................... 10 
6.1.  Workflow .............................................................................................. 10 
6.2.  Preparation for the Controller Setup.................................................... 12 
6.3.  Installation of ESI Files ........................................................................ 17 
6.4.  EtherCAT Communications Setup ....................................................... 18 
6.5.  Controller Settings ............................................................................... 26 
7.  Appendix Saving and Loading a Project ........................................ 37 
7.1.  Saving a Project ................................................................................... 37 
7.2.  Loading and Downloading a Project.................................................... 39 
8.  Appendix Using Safety Function ..................................................... 42 
8.1.  Device Configuration ........................................................................... 42 
8.2.  Workflow .............................................................................................. 42 
8.3.  EtherCAT Coupler Unit Settings .......................................................... 44 
8.4.  Preparation for the Controller Setup.................................................... 56 
8.5.  Installation of ESI Files ........................................................................ 56 
8.6.  EtherCAT Communications Setup ....................................................... 56 
8.7.  Controller Settings ............................................................................... 67 
9.  Appendix Troubleshooting ............................................................... 68 
9.1.  Factors Causing EtherCAT Communications To Be Unavailable, and Corrective Actions
 ............................................................................................................. 68 
9.2.  How to Check for Errors ...................................................................... 69 
10.  Appendix ECAT[i] Structure Elements ............................................ 73 
11.  Revision History ................................................................................ 74