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2.3
Fast Home Position Return
Outline of the fast home position return operation
Fast home position return operation
After establishing home position by a machine home position return, positioning control to the home position is executed
without using a near-point dog or a zero signal.
The following shows the operation during a basic fast home position return start.
Fast home position return start
(Positioning start signal)
[Md.26] Axis operation status
Standby
Positioning to the home position
1.
The fast home position return is started.
2.
Positioning control to the home position established by a machine home position return begins at speed set in the home
position return parameters ([Pr.43] to [Pr.57]).
3.
The fast home position return is completed.
Operation timing and processing time
The following shows details about the operation timing and time during fast home position return.
[RD77MS4 operation example]
Positioning start signal
[Y10, Y11, Y12, Y13]
BUSY signal
[X10, X11, X12, X13]
t1
Start complete signal
([Md.31] Status: b14)
[Md.26] Axis operation
Standby
status
Positioning operation
[Pr.46] Home position return speed
Position control
Home position
Position control
t2
Machine home position
(Home position)
Standby
M
t3
Standby
2 HOME POSITION RETURN CONTROL
2.3 Fast Home Position Return
2
45
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