Step 1. Establish a 10EMC project, and then open the EtherCAT Builder in the project Step 2. Set up a client module in the EtherCAT Builder Step 3. Click the I/O Mapping function in the column below to automatically generate symbols Step 4. Go back to ISPSoft and check whether the EtherCAT symbols are established. Right click the space and select “Syncronize with ECAT Builder” after confirmation