CMM Homing

Command Activation

On DCC Style CMMs, the Geomet system initializes the motion controller and monitors the status of three Home flags, one per axis. Should any flag not be set, Geomet prompts the operator to begin the Home sequence, see figure 1.

figure 1, DCC Home Dialog

The DCC Home Dialog can also be activated by pressing <Shift + F9> or using the pull-down menu [System→Home the System]. To start the Home process, turn on the motors by pressing the Motor On button located on the Joystick housing, or press the <Motor On> button as seen in figure 1. Next press the <Start Home> button and under DCC control the CMM will move one axis at a time to its designated Home location.

These commands control the state of motor activation.

Initiates the sequence of locating the Home Flags. The CMM will move each axis, first in the +Z direction, then in the X direction and finally in the Y direction. The movement will be under a controlled speed. When the Home Flag is located, the CMM will instruct the motors to stop and slowly back off the Home Flag and repeat the locating process.

NOTE: If the CMM is past the Home Flag, the motion will cause the CMM to activate the over travel limit switch. When this occurs, the CMM will reverse direction a distance sufficient to pass over the Home Flag and commence the Home sequence again.

This causes a Escape sequence to be sent to the DCC controller and all motion will stop. The controller will hold position with the motors on.

This command has no effect at this time.

The configure command launches a controller specific setup dialog. This setup tool is used to establish communications between Geomet and the DCC controller.

Should the "Auto Close When Homed" flag be checked, the dialog will automatically close when Geomet senses the Home position has been established.