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15. ABSOLUTE POSITION DETECTION SYSTEM
M2
M10 C2
M11
T2
M9039
END
5 5
M10PLS
M11SET
C2
D7
T2
K1
M11RST
D100A0DMOV
ABS transfe
r
retry control
ABS transfer retry start pulse
Setting retry flag
Retry counter
Retry wait timer (100ms)
Resetting retry flag
Saving received shift data
Check sum NG
Retry start
pulse
Retry
counter
Retry flag set
Retry wait timer
PC RUN
(Continued from preceding page)
POINT
When absolute position data is received at power ON, for example, if a
negative coordinate position which cannot be handled by the A1SD71 is
detected, the ABS coordinate error (Y4B ON) is generated. If this error is
generated, move the axis into the positive coordinate zone in JOG operation.
Then, turn OFF the servo-on pushbutton switch and turn it ON again.