Hpr Method (2): Count Method 1) [Rj010 Mode] - Mitsubishi Electric MELSEC-Q Series User Manual

8.2.4 HPR method (2): Count method 1) [RJ010 mode]

The machine HPR is started.
1)
(The machine begins the acceleration designated in "[Pr.51] HPR acceleration time selection", in the 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 machine stops after the workpiece has been moved the amount set in the "[Pr.50] Setting for the movement amount
4)
after proximity dog ON" after the proximity dog turned ON. It then restarts and stops at the first zero point.
The HPR complete flag ([Md.31] Status: b4) turns from OFF to ON, and the HPR request flag ([Md.31] Status: b3) turns
5)
from ON to OFF.
POINT
After the home position return
(HPR) has been started, the
zero point of the encoder must
be passed at least once before
point A is reached.
Adjust the setting for the movement amount after
proximity dog ON to be as near as possible to
the center of the zero signal HIGH.
If the setting for the movement amount after
proximity dog ON falls within the zero signal,
there may be produced an error of one servo
motor rotation in the HPR stop 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 1)".
In the HPR with the "count method 1)", the following operations can be performed:

The machine HPR on the proximity dog
 The machine HPR again after the machine HPR is completed
Operation chart
V
Proximity dog OFF
Zero signal
ON
OFF
ON
OFF
OFF
Standby HPR
0
Inconsistent
Inconsistent Value the machine moved is stored
Fig. 8.5 Count method1) machine HPR
Pr. 46 HPR speed
Pr. 50 Setting for the movement amount
Pr. 47 Creep speed
A
Md.34 Movement amount after proximity dog ON
ON
Standby
8 - 10
Chapter 8 HPR Control
after proximity dog ON
t
Leave sufficient distance from the zero point
position to the proximity dog OFF.
First zero signal after moving a set to " Pr. 50
Setting for the movement amount after proximity
dog ON.
One servo motor rotation
ON
Value of 1.
HP address
1