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8.2.7 OPR method (5): Scale origin signal detection method
The machine OPR is started.
(The machine begins the acceleration designated in "
1)
designated in "
completed.)
2)
The machine begins decelerating when the near-point dog ON is detected.
After deceleration stop, the machine moves in the opposite direction against of OPR at the "
3)
".
speed
4)
During movement, the machine begins decelerating when the first zero signal is detected.
After deceleration stop, the operation moves in direction of OPR at the "
5)
at the detected nearest zero signal.
The OPR complete flag (
6)
Status: b3
V
Pr.44
Pr.47
1)
The following shows an operation outline of the OPR method "scale origin signal
detection method".
POINT
Set "0: Need to pass servo motor Z-phase after power on" in "Function selection C-
4 (PC17)". If "1: Not need to pass servo motor Z-phase after power on" is set, the
error "Z-phase passing parameter invalid" (error code: 231) will occur at the start of
scale origin signal detection method OPR.
Operation chart
OPR direction
Pr.44
Status: b4
Md.31
) turns from ON to OFF.
OPR direction
Pr.46
OPR speed
2)
Creep speed
5)
6)
4)
ON
Near-point dog
OFF
Zero signal
Fig. 8.11 Scale origin signal detection method machine OPR
Pr.51
". It then moves at the "
) turns from OFF to ON, and the OPR request flag (
3)
POINT
After 3), when the zero signal is in the near-point dog
position, deceleration stop (4)) is started at the zero signal
without waiting for the near-point dog OFF.
Hardware limit switch
8 - 15
Chapter 8 OPR Control
OPR acceleration time selection
" when the acceleration is
OPR speed
Pr.46
Creep speed
Pr.47
", in the direction
OPR
Pr.46
", and then stops
Md.31
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