PLC as Master
A dynamic coordinate system can be defined by a CNC channel or by the PLC. The HLI has a control unit for this.

States of the tracking slave
| INACTIVE | The slave does not track the dynamic coordinate system. | 
| ACTIVATING | The first time the tracking function is activated, the salve adopts the changes “softly” via a filter. | 
| ACTIVE | The slave tracks the dynamic coordinate system. | 
| DEACTIVATING | The slave “softly” decouples dynamic coordinate system tracking. | 
| ERROR | An error occurred in the slave. The slave is unable to track the dynamic coordinate system. |