KE-750_MAINTE.pdf - 第49页
3.1.2 θ axis θ axis origin return Alarm? Move by 1 step. Initialization of work data LA initialization Considered to be normal Considered to be faulty End YES NO - 46 -
3. SEQUENCE OF FUNCTIONS
3.1 Origin Return Operation
An origin return operation is carried out by pressing the ORIGIN key. The
origin return for Z axis, θ axis, and XY axes are sequentially performed.
3.1.1 Z axis
Origin return for Z axis
Alarm?
Origin deceleration sensor OK?
Move until the origin deceleration
sensor turns off.
Move until the origin deceleration
sensor turns on.
Move away from the origin deceleration
sensor.
Move by 1 step until the origin
deceleration sensor turns on.
Move by 1 step until the index pulse is
detected.
Initialization of work data
Considered to be normal Considered to be faulty
End
YES
NO
NO
YES
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3.1.2 θ axis
θ axis origin return
Alarm?
Move by 1 step.
Initialization of work data
LA initialization
Considered to be normal
Considered to be faulty
End
YES
NO
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3.1.3 XY axes
XY axes origin return
Alarm?
Z axis faulty?
Feeder rise ON?
X origin deceleration sensor ON?
YL origin deceleration sensor ON?
Move X axis in one direction until
X origin sensor turns on.
Move away from X origin sensor.
Move by 1 step until X origin sensor
turns on.
Move Y axis in one direction until
YL origin sensor turns on.
Move away from YL origin sensor.
Move by 1 step until YL origin sensor
turns on.
YES
YES
YES
YES
NO
NO
NO
NO
YES
NO
2/2
1/2
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