Hpr Method (3): Count Method 2) [Rj010 Mode] - Mitsubishi Electric MELSEC-Q Series User Manual

8.2.5 HPR method (3): Count method 2) [RJ010 mode]

The machine HPR is started.
(The machine begins the acceleration designated in "[Pr.51] HPR acceleration time selection", in the
1)
direction designated in "[Pr.44] HPR direction". It then moves at the "[Pr.46] HPR speed" when the
acceleration is completed.)
2)
The machine begins decelerating when the proximity dog ON is detected.
3)
The machine decelerates to the "[Pr.47] Creep speed", and subsequently moves at that speed.
The command from the Simple Motion module will stop and the machine HPR will be completed when the
4)
machine moves the movement amount set in "[Pr.50] Setting for the movement amount after proximity dog
ON" from the proximity dog ON position.
Machine HPR start
(Positioning start signal)
HPR request flag
( Md.31 Status : b3)
HPR complete flag
( Md.31 Status : b4)
Md.26 Axis operation status
Md.34 Movement amount
after proximity dog ON
Md.20 Feed current value
Md.21 Feed machine value
The following shows an operation outline of the HPR method "count method 2)".
The "count method 2)" method is effective when a "zero signal" cannot be received.
(Note that compared to the "count method 1)" method, using this method will result in
more deviation in the stop position during machine HPR.)
Operation chart
V
Proximity dog
ON
OFF
ON
OFF
OFF
Standby HPR
Inconsistent 0
Inconsistent
Value the machine moved is stored
Fig. 8.7 Count method 2) machine HPR
Pr. 46 HPR speed
Pr.50 Setting for the movement amount
after proximity dog ON
ON
OFF
8 - 12
Chapter 8 HPR Control
Pr. 47 Creep speed
t
Md.34 Movement amount after proximity dog ON
Leave sufficient distance from the HP
to the proximity dog OFF.
ON
Standby
1
Value of .
HP address
1