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MELSEC-Q
8 OPR CONTROL
Operation timing and processing time of fast OPR
The following shows details about the operation timing and time during fast OPR.
t1
t3
t2
In position control
Standing
by
Standing by
Positioning start
signal
BUSY signal
Start complete signal
Positioning operation
Md.26 Axis operation status
[Y10,Y11,Y12,Y13]
[X10,X11,X12,X13]
[XC,XD,XE,XF]
Fig. 8.11 Operation timing and processing time of fast OPR
Normal timing time Unit: ms
t1 t2 t3
1.0 to 1.3 3.0 to 4.4 0 to 1.8
•
The t1 timing time could be delayed by the operation state of other axes.
Operating restrictions
When the OPR complete flag (
Md.31
Status: b3) is ON, executing a fast OPR start
will result in an "Home positioning return (OPR) request flag ON" error (error code:
207)".