Fast Home Position Return; Outline Of The Fast Home Position Return Operation - Mitsubishi Electric MELSEC iQ-FX5 User Manual

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 proximity 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 "[Pr.46]
Home position return speed".
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.
[Operation example]
[Cd.184] Positioning start signal
[Md.141] BUSY signal
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