Mitsubishi QD75M1, User Manual

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MELSEC-Q
11 MANUAL CONTROL
REMARK
•
One QD75 module can be connected to one manual pulse generator.
•
The QD75 module can simultaneously command to the 1-axis to 4-axis servo
amplifier by one manual pulse generator.
(1-axis to 4-axis simultaneous operation is possible.)
Errors during operation
If the operation is stopped by the stroke limit (limit switch OFF), manual pulse
generator operation can be carried out in the direction in which the limit switch
turns ON. (Pulse input in the direction in which the limit switch turns OFF will be
ignored.)
Upper/lower
limit switch
Manual pulse generator
operation possible Manual pulse generator
operation not possible
V
Manual pulse
generator operation
Manual pulse generator operation timing and processing time
The following drawing shows details of the manual pulse generator operation
timing and processing time.
Manual pulse generator input
pulses
t1
t3
t4
BUSY signal [XC,XD,XE,XF]
Standing by
Positioning start complete
signal [X10, X11, X12, X13]
Positioning operation
The start complete signal does not turn ON in manual pulse generator operation.
0
0
1
Cd. 21 Manual pulse generator
enable flag (axis control data)
Md. 26 Axis operation status
Standing by In manual pulse generator operation
t2
Fig. 11.19 Manual pulse generator operation timing and processing times
Normal timing times Unit : ms
t1 t2 t3 t4
113.6 4.34 4.34 113.6
•
Delays may occur in the t1 timing time due to the operation status of other axes.