11 - 23 
MELSEC-Q
 
11   MANUAL CONTROL 
 
 Start time chart 
 
Forward run JOG start signal [Y8]
PLC READY signal [Y0]
QD75 READY signal [X0]
t
Reverse run JOG start signal [Y9]
Reverse run inching operation
Forward run inching operation
BUSY signal [XC]
Error detection signal [X8]
OFF
OFF
OFF
OFF
OFF
ON
ON
ON
ON
ON
OFF
OFF
ON
Positioning complete signal [X14]
All axis servo ON [Y1]
OFF
 
Fig. 11.14 Inching operation start time chart