Specifications

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3BUS 208 000 R130186 Platform Tuning
Note: If the head crossing the sheet edge will create a problem, abort the
procedure. Wait until there is a sheet break before proceeding.
Figure 5-10 Motor Controller Servo Calibration Summary
14. Place Frame Control in Remote and press RETURN to continue.
The Motor Controller Tuning screen will be displayed, as shown in the example
in Figure 5-11.
The scanning carriage will move in the off-sheet direction and search for its
home position. It will then begin a series of movements across the Scanning
Platform, taking velocity and distance measurements at certain times. After
approximately 30 seconds, the utility will finish the motor controller calibration.
You can terminate the Automatic Controller Tuning at any time by typing “a”
at the keyboard, or placing the Scanning Platform in LOCAL control at the
control panel.
Note: On scanners less than 2.5 meters long, it may be necessary to
reduce the SLOW and FAST JOG DAC outputs to keep the head
from tripping the far travel limit switch during the motor controller
tuning.
15. When motor controller tuning is complete, the utility will display a banner
across the middle of the display. The display prompts you to accept the tuning
results, “y” or “n”. Answer “y” unless the new slope and offset values seem
incorrect. A summary of the new motor controller calibration values is shown
in Figure 5-11.
16. In order to fully implement the head position calibration procedure, it will be
necessary to restart the Scanning Platform as a final step. To do this, exit the
ft utility and type reset at the $$ prompt.
17. Establish a correct minimum velocity.
Because of the action by the servo to keep increasing the output until there is
movement, it is not likely that there will be situations where the head will
*** AUTOMATIC SERVO CALIBRATION ***
The following servo tuning changes are being implemented:
Motor controller slope of 0.139 is being changed to 0.139
Motor controller offset of 10 is being changed to 11
Servo minimum speed of 0.721 is being changed to 0.989
Servo maximum speed of 15.892 is being changed to 15.801
Scanner maximum speed of 15.982 is being changed to 15.801
Enter new file path name OR
(ret) to save to ”/ss01/clm/frame.ini” OR
”q” to quit.
=>
Frame graph was successfully saved to file ”/ss01/clm/frame.ini”
Carriage return to continue...
Step 13