Purge
Purge
Purge Screen
Screen
Screen
Figure 57 Purge Screen
Figure 58 Purge Screen with Chop
Purge
Purge
Purge Number
Number
Number
Enter the desired purge sequence (1-10). For hard
to flush materials, select a longer sequence. 1 is the
default, and should be designated for the longest,
most thorough flush duration.
Gun
Gun
Gun Purge
Purge
Purge Time
Time
Time
Enter the gun purge time (0 to 999 seconds).
Air/Solvent
Air/Solvent
Air/Solvent Chop
Chop
Chop
Air/Solvent Chop replaces the standard Gun Purge
Time parameter on the Purge screen. Instead the
purge is split into three phases: First Purge, Chop,
and Final Purge. The Chop Phase will always start
with Air and each phase has multiple configuration
parameters.
First
First
First Purge
Purge
Purge
Select the material to be either Air or Solvent and
the length of time for the first purge phase, which
dispenses only the material selected.
Air
Air
Air Chop
Chop
Chop
Set the air chop duty cycle for the chop phase.
Solvent
Solvent
Solvent Chop
Chop
Chop
Set the solvent chop duty cycle for the chop phase.
Total
Total
Total Chop
Chop
Chop
Set the length of time for the chop phase. The
system will switch between air and solvent pulses
according to the duty cycles set for the length of the
Total Chop time.
Final
Final
Final Purge
Purge
Purge
Select the material to be either Air or Solvent and
the length of time for the final purge phase, which
dispenses only the material selected.
Figure 59 Air/Solvent Chop Timing Diagram
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