ATYPE is usually set automatically when the EtherCAT starts, depending on slave type and DRIVE_MODE in MC_CONFIG.

65 EtherCAT position

66 EtherCAT speed

67 EtherCAT Torque

68 EtherCAT Open Speed- No Feature code required

69 EtherCAT Reference Encoder - No Feature code required

For example, an inverter with no feedback uses ATPE 68.