6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Positioning start signal
PLC READY signal
AD75 READY signal
Start complete signal
BUSY signal
Error detection signal
Cd.11 Positioning start No.
Zero point absolute position overflow flag
[ Md.40 Status:b11]
Zero point absolute position under flow flag
[ Md.40 Status:b12]
(2)
Time chart for starting "high-speed zero point return"
V
[Y10]
OFF
[Y1D]
ON
[X0]
OFF
[X1]
OFF
[X4]
[XA]
Fig. 6.5 Time chart for starting "high-speed zero point return"
ON
OFF
ON
OFF
ON
ON
OFF
9002
OFF
OFF
6 - 26
MELSEC-A
t