7 - 15 7 - 15
MELSEC-Q
7 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Starting time chart
The time chart for starting each control is shown below.
(1) Machine OPR control starting timing chart
Positioning start signal [Y8 to YF]
PLC READY signal [Y0]
Module READY signal [X0]
Start complete signal [X10 to X17]
BUSY signal [X8 to XF]
Axis error occurrence signal [X1]
OFF
OFF
ON
ON
ON
ON
OFF
OFF
Start method
9000
ON(1)
ON(1)
OFF(0)
OFF(0)
OPR request flag
[ Status: b0]
Zero signal
Near-point dog
V
t
Md.7
Cd.3
OFF
ON
OFF
OPR complete flag
[ Status: b1]Md.7
Fig. 7.4 Machine OPR control starting timing chart
To Next Page
Loading...