PathMaster® Manual Rev. H 6/03
- 18 -
Inter-Path Movement
When programming the Dispensing System via PathMaster
®
it is easy to determine the movement, point-
to-point, within a path program via the playback feature. However, it is more difficult to gauge movement
between segments. After completing a segment, the Dispensing System immediately moves the axes to the
start point of the next segment. If there are obstacles in the way, the machine does not know this, since this
route was not tested and programmed intentionally.
There are different ways to combat this problem. The best solution is to follow the recommended
procedure and map out the path program to allow for direct movements between segments. If that was not
done, or obstacles cannot be avoided, then the operator should insert ‘safety’ moves of the Z axis to avoid
inadvertently hitting anything. This is accomplished by programming a ‘Z only’ move, with the Z-axis
target set to 0.
It is ultimately the operator’s responsibility to ensure no combination or sequence of path segments are
harmful to the machine or any product the operator is running.
Main Program Modifications
Sometimes it is necessary to make changes in the main program that runs the Dispensing System. Usually
it involves setting up points for the machine to use. If the operator must do this, it is imperative to
download the corrected main file properly to avoid any problems. Open the Main program using a text
editor, such as Windows
®
Notepad or Winpad.
Common Main Program Changes
There are a few sets of points that commonly need changing: Standby position, purge position, solvent cup
position, and calibration position. In the main program these settings are located in the Machine Specific
Information section (near the end of the file), an example of which is shown below:
REM !!!! Machine-Specific Information !!!!
#IMACH;MT 1,1,1,1
CE 0,0,0,0;FSTX=20000;SLWX=10000;FSTY=20000;SLWY=10000
FSTZ=10000;SLWZ=5000;FSTW=10000;SLWW=5000
KNHEAD=3;A_HEAD[1]="FCS100";R_HEAD[1]=0
A_HEAD[2]="FC100 ";R_HEAD[2]=1
A_HEAD[3]="DISPSE";R_HEAD[3]=1
PT_APG[0]=80000;PT_APG[1]=65000;PT_APG[2]=0;PT_APG[3]=3000
PT_SOL[0]=80000;PT_SOL[1]=65000;PT_SOL[2]=0;PT_SOL[3]=3000
PT_CAL[0]=15000;PT_CAL[1]=15000;PT_CAL[2]=500;PT_CAL[3]=2000
PT_SBY[0]=25000;PT_SBY[1]=25000;PT_SBY[2]=250;PT_SBY[3]=3500
AP_EN=0;AP_LEN=2000;AP_TIME=30000;PNTO=4000;LT_EN=1;AC_TMR=1
SLP_TM=30000;SO_EN=0;LLA_EN=0;LLB_EN=0
#TUNE;AC*=325000;DC*=300000;SP*=120000;VA*=70000;VD*=70000
BL -4000,-4000,-1000,-1000
FL 83000,85000,15000,30000;TL*=9.9999
KD 67.99,82.43,76.09,50.00
KP 5.66,6.75,8.38,5.00
KI 0.25,0.19,0.34,0.50;EN
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