ARRIMOTION User’s Guide, 01/2004
Page 35 of 162
• The next time you home the system, push the
On/Home
button twice to turn the pan axis on and
to home it. Go to the
Play/Record
screen and turn
Connect
on. Now you can move the pan with
the hand wheel so the marks on the two pieces of tape line up. Go back to the
Axes
screen and
push
On/Home
a second time to home the pan axis.
• If a more precise referencing is needed on a non encoded Arrihead select “search index” as a
homing method. The motor will then move the output shaft of the motor in increments of exactly
180°. This will result in about 130 different positions on the pan axis. Mark one of them and it will
be exactly found again within the next homing.
This method will only work under the following circumstances
- leave the CHM-1 motor of the Pan axis mounted to the Arrihead
- never switch the gear to a other position than 1
- Do not change the motors position
- Do not exchange the CHM-1 motor
- Stay /- 180° on the PAN since the gear ratio of the gearbox is not an integer
number
Explanation of this method for techies:
The servomotor inside the CHM has an incremental encoder with an index pulse. This pulse always
appears on the same position. Since there is a 2:1 gear in the CHM-1 motor this would result in half
a revolution of the CHM-1s output shaft per servomotor revolution.
Содержание ARRIMOTION
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Страница 12: ...ARRIMOTION User s Guide 01 2004 Page 12 of 162 1 Introduction ...
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Страница 22: ...ARRIMOTION User s Guide 01 2004 Page 22 of 162 2 Setup ...
Страница 37: ...ARRIMOTION User s Guide 01 2004 Page 37 of 162 3 Operation ...
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Страница 80: ...ARRIMOTION User s Guide 01 2004 Page 80 of 162 4 Software Reference ...
Страница 120: ...ARRIMOTION User s Guide 01 2004 Page 120 of 162 5 Hardware Reference ...