Opr Method (2): Stopper 3 - Mitsubishi MELSEC-Q Series User Manual

8
OPR CONTROL
8.2.4
The following describes an operation outline of the OPR method "stopper 3".
The "stopper 3" is effective when a near-point dog cannot be installed. (Note that the axis
operates at "
machine OPR control.)
(1) Operation chart
By turning ON the positioning start signal (Y8 to YA), machine OPR control is started.
1)
(The axis moves to the direction set in "
the motor is required. If torque limit is not set, the motor may be a failure at 2).)
2) The workpiece contacts against a stopper and stops.
After the stop, the pulse output from the QD72P3C3 immediately stops on detection of a zero signal, and the "deviation
counter clear output" is output to the drive unit.
3)
(Set "deviation counter clear signal output time" to
After "deviation counter clear output" is output, the OPR complete flag (
4)
and the OPR complete flag (
V
Creep speed
Pr.14
Zero signal
Torque limit
OPR control start (Positioning
start signal: Y8 to YA)
OPR request flag
( Status: b1)
Md.7
OPR complete flag
( Status: b2)
Md.7
Deviation counter clear
output
Md.4 Axis operation status
Md.1 Current feed value
8
- 8 8.2 Machine OPR Control

8.2.4 OPR method (2): Stopper 3

OPR method (2): Stopper 3
Creep speed" from the start. Therefore, it will take time to complete the
Pr.14
Pr.11
Status: b0) turns from ON to OFF.
Md.8
1)
ON
OFF
ON
OFF
Standby During OPR
Unfixed Moved value is stored.
Figure 8.7 Stopper 3 machine OPR control
OPR direction" at " Creep speed". At this time, a torque limit to
Pr.14
.)
Pr.7
Status: b1) turns from OFF to ON
Md.8
t
2) 3) 4)
Deviation counter clear
Pr.7
output time
Standby
OP address
Pr.12