Operation 6-7
6.6 Establishing Machine Offsets
Programming a dispensing sequence relies on using the camera. Dispensing is accomplished with a
needle or nozzle. The offsets between the camera and needle and camera and height sensor centerlines
need to be established prior to dispensing.
6.6.1 Valve Offsets
FmXP provides a semi-automated routine called Valve Offsets to establish machine offset parameters.
This setup procedure is vision assisted to ensure the front door remains closed. The user proceeds through
a list of steps to teach the camera offset, the safe Z- height and the locations for the scale, purge cup, and
test substrate. Valve offsets must be run when installing a new needle or nozzle to provide for the highest
possible dispense accuracy.
Offset procedures may also be tailored to suit the specific environment. Please consult the Fluidmove
User Guide for Scripted Valve Offsets.
To perform a Valve Offsets routine:
"NOTE Make sure the Vision System has been calibrated before performing this routine. Refer to
5.6 Calibrating the Camera.
1. Clear the work area of any obstacles that might interfere with dispensing head movement.
2. In the Main Window, select
Configuration > Machine Offsets > Valve Offsets.
! The Setup Valve Offsets dialog box (
Figure 6-6) opens.
Figure 6-6 Setup Valve Offsets Dialog Box
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