Mitsubishi MELSEC QD75P User Manual page 136

5 DATA USED FOR POSITIONING CONTROL
4 : Count method 1)
(1) Start machine OPR.
(Start movement at the "
Pr.44
" OPR direction".)
(2) Detect the near-point dog ON, and start deceleration.
Pr.47
(3) Decelerate to "
creep speed.
(4) After the near-point dog turns ON and the movement
Pr.50
amount set in "
after near-point dog ON" has passed, the pulse output from
the QD75 stops with the first zero signal (one pulse output
at one motor revolution), and the machine OPR is
completed.
5 : Count method 2)
(1) Start machine OPR.
(Start movement at the "
Pr.44
" OPR direction".)
(2) Detect the near-point dog ON, and start deceleration.
(3) Decelerate to " Pr.47
creep speed.
(4) After the near-point dog turns ON and the movement
Pr.50
amount set in "
after near-point dog ON" has passed, the pulse output from
the QD75 stops with the first zero signal, and the machine
OPR is completed.
Item
Pr.44
OPR direction
Pr.45
OP address
Pr.46
OPR speed
Pr.46
OPR speed" in the
Creep speed", and move with the
Setting for the movement amount
Pr.46
OPR speed" in the
Creep speed", and move with the
Setting for the movement amount
Setting value, setting range
Value set with peripheral device
0 : Positive direction (address
increment direction)
1 : Negative direction (address
decrement direction)
The setting value range differs depending on the "
setting".
Here, the value within the [Table 1] range is set.
[Table 1] on right page
The setting value range differs depending on the "
setting".
Here, the value within the [Table 2] range is set.
[Table 2] on right page
Get other manuals https://www.bkmanuals.com
OPR speed
Pr.46
V
(1)
Near-point dog OFF
Zero signal
V Pr.46
(1)
Near-point dog OFF
Value set with sequence
program
0
1
Pr.1 Unit
Pr.1 Unit
5 - 48
MELSEC-Q
Pr.50
Setting for the movement
amount after near-poing dog ON
(2)
Pr.47 Creep speed
(3)
(4)
t
Movement amount after
Md.34
near-point dog ON
The near-point dog must turn OFF
ON
at a sufficient distance away from
the OP position.
First zero signal after moving the
movement amount after near-
point dog ON
OPR speed
Pr.50
Setting for the movement
(2)
amount after near-poing dog ON
Pr.47 Creep speed
(3)
(4)
t
Movement amount after
Md.34
near-point dog ON
ON
Setting value buffer memory
address
Default
value
Axis 1 Axis 2 Axis 3 Axis 4
0 71 221 371
72 222 372
0
73 223 373
74 224 374
1
75 225 375
521
522
523
524
525