Advertisement
6 SEQUENCE PROGRAM USED FOR POSITIONING CONTROL
Positioning start signal
PLC READY signal
QD75 READY signal
Start complete signal
BUSY signal
Error detection signal
Cd. 3 Positioning start No.
OPR request flag
[ Md. 31 Status: b3]
OPR complete flag
[ Md. 31 Status: b4]
Starting time chart
The time chart for starting each control is shown below.
(1) Time chart for starting "machine OPR"
V
[Y10]
OFF
[Y0]
OFF
[X0]
OFF
[X10]
OFF
[XC]
[X8]
OFF
OFF
Fig. 6.4 Time chart for starting "machine OPR"
Near-point dog
Zero signal
ON
OFF
ON
ON
ON
ON
OFF
9001
ON
6 - 30
MELSEC-Q
t
ON
Advertisement
Troubleshooting
