Mitsubishi QD70P4 User Manual

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MELSEC-Q
8 OPR CONTROL
Restrictions
A pulse generator with a zero signal is required.
When using a pulse generator without a zero signal, generate a zero signal using an
external signal.
Precautions during operation
(1) When the near-point dog is ON, starting the axis will cause the "Start during
near-point dog ON" error (error code: 201). Perform JOG operation to move the
axis to the position where the near-point dog turns OFF.
(2) The near-point dog must be ON during deceleration from "
OPR. 4
OPR speed"
"
OPR. 5
Creep speed".
The following is the operation performed if the near-point dog turns OFF before
deceleration to the creep speed.
t
ON
OFF
OPR speed
Creep speed
ON
OFF
OFF
ON
Standby
During OPR
Standby
Unfixed
0
Unfixed
Traveled value is stored
OP address
V
Zero signal
Value marked
Deceleration started when near-point dog turns ON
Near-point dog
ON
OFF
One motor revolution
Md.2
OPR.4
OPR.5
Deviation counter clear signal output time
Pr.8
Bias speed at startPr.6
Movement amount after near-point dog ON
Near-point dog turns OFF during deceleration
OPR control start
(Positioning start signal: Y8 to YF)
Axis operation status
Movement amount after
near-point dog ON
Current feed value
Deviation counter clear output
OPR request flag
OPR complete flag
Md.2
Md.1
Md.4
Md.7
Md.7
Status: b0
Status: b1
1
1
Fig. 8.3 Operation when the near-point dog is turned OFF before the creep speed is reached
(3) If the axis stop signal is turned ON during operation performed at "
OPR. 4
OPR speed", the axis decelerates to a stop at the time set in "
OPR. 7
DEC/
STOP time at OPR".

Mitsubishi QD70P4 Specifications

General

Brand	Mitsubishi
Model	QD70P4
Category	Controller
Language	English