AH Motion Controller – Operation Manual Setting the Starting Engaging Position of a Master Axis You can set the starting engaging position of the master axis specified by ActivationPosition in the motion control function block MC_CamIn. Value of the ActivationPosition _7 7-26 Input value Definition Description Negative number, positive number and 0 starting engaging position of the master axis specified Specify the position of the master axis as the engagement begins. In other words, when the master axis passes the position, the slave axis starts to perform the engagement action.