DOC-0017-07-EN: AC20 Series - EtherCAT Option  
52 (58)  DOC-0017-07-EN-B  04.04.2023  
APPENDIX C: DSE Lite Quick Start Guide 
Follow the steps below to configure the AC20 via DSE Lite PC-Tool. 
The block diagram of the AC20 may be accessed through the onboard webserver or DSE Lite.  
DSE Lite is recommended. 
The IP address of the AC20 is in the range 169.254.xx.xx by default. Therefore, the user’s PC network 
adapter must be configured to this range as shown below (IPv4 is used for communication). 
 
                 
 
Alternatively, the IP address of the drive may be changed to suit the settings of the PC network adapter. The 
IP address of the drive can be configured using the DCT function, accessible from within DSE Lite by selecting 
Command -> Install AC15/AC20 Firmware.  
 
 
 
Once the network scan is completed, then the drive settings can be edited.