User guide

6-10 Setup and Configuration
Height Sensor
The Height Sensor Configuration window allows the operator to establish parameters such as
speed and distance for raising and lowering the dispensing head. The window is divided into
two sections: Mode and Parameters.
Mode
If your dispensing system is equipped with a Height Sensor, you will have two options in this
dialogue box: Height sense always and Height sense on command.
Table 6-2 Height Sensor Modes
Mode Description
Height Sense Always The Height Sensor probe is always down except during actual
dispensing. The dispense height is established during Setup.
This mode is useful if your board is warped, as it guarantees an
accurate dispense gap.
Height Sense on
Command
You can put a Find Substrate Height command into your program
to perform a height sense at a taught location on the workpiece.
A Height Sense Off command will be ignored in this mode.
If your dispensing system is not equipped with a Height Sensor, you must use FMW Tools to
tell it that no height sensor is present. Height Sensor must be set to None. Valve1 Height
Sensor must be OFF. When your system has been configured for no Height Sensor, you will
be able to access the following Height Sensor configurations:
Table 6-3 Configuration Options – No Height Sensor
Mode Description
No height sense – ask on every
workpiece
You will be asked to teach the dispense height at the
beginning of each workpiece by lowering the
dispensing head to the desired dispensing height.
No height sense – ask on first
workpiece only
This option is excellent for batch dispensing or a
production run on a conveyorized dispensing system.
You will be asked to teach the dispensing height at
the first workpiece only. This information will be used
for each subsequent workpiece.
No height sense – use last known
substrate height
You establish the substrate height during Setup. This
information is used for all dispensing. This mode is
only available if your are running in Calculate Master
Offsets mode, allowing the dispensing height to be
changed automatically after a needle change.