Mitsubishi Electric QD75MH1 User Manual page 331

6 PLC PROGRAM USED FOR POSITIONING CONTROL
Positioning start signal
[Y10, Y11, Y12, Y13]
BUSY signal [XC, XD, XE, XF]
M code ON signal
(WITH mode) [X4, X5, X6, X7]
Cd. 7 M code OFF request
Positioning start complete
[X10, X11, X12, X13]
signal
Md. 26 Axis operation status
Positioning operation
Positioning complete signal
[X14, X15, X16, X17]
M code ON signal
(AFTER mode)
[X4, X5, X6, X7]
Cd. 7 M code OFF request
OPR complete flag
[ Md. 31 Status: b4]
Position control operation timing and process time
t1
Waiting Controlling position
t4
Fig. 6.10 Position control operation timing and process time
•
When the positioning start signal turns ON, if all signals marked with an
asterisk ( ) are already ON, the signals marked with an asterisk ( ) will turn
OFF when the positioning start signal turns ON.
Normal timing time
t1 t2
1.2 to 2.0 0 to 2.0
•
The t1 timing time could be delayed depending on the operating conditions of
the other axis.
t2
t3
Waiting
t5
t2
t3 t4
0 to 1.7 3.5 to 4.6
6 - 62
MELSEC-Q
t6
Unit: ms
t5 t6
Follows
0 to 1.0
parameters