Delta EtherCAT Programming Manual page 273

Profile Velocity Mode (PV)
Commands will be issued via SDO communication in PV (Profile Velocity) mode. EtherCAT
master sends the speed and acceleration parameters to the motion axis. When all commands
are issued, the motion axis starts working and will be controlled by the servo drive and pulse
14
module.
API list of PV mode
_ECAT_Slave_PV_Start_Move
_ECAT_Slave_PV_Advance_Config
14-2
Function name Description
Execute the single-axis motion with constant speed in PV
mode
Advanced setting of PV mode
EtherCAT Programming Guide
March, 2017