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11 MANUAL CONTROL
11.3.5 Inching operation example
PLC READY
signal [Y0]
All axis servo ON
[Y1]
QD75 READY
signal
[X0]
Forward run JOG
start signal
[Y8,YA,YC,YE]
Axis stop signal
[Y4,Y5,Y6,Y7]
BUSY signal
[XC,XD,XE,XF]
Fig. 11.15 Operation when stop signal is turned ON during inching operation
When "stop signal" is turned ON during inching operation:
If "stop signal" is turned ON during inching operation, the inching operation will be
stopped.
While the stop signal is turned ON, the JOG start signal is ignored.
The inching operation can be re-started when the stop signal is turned OFF and
then re-turned ON.
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
POINT
The QD75MH will not accept "JOG start signal" while "stop signal" is turned ON.
A JOG start signal OFF
while the stop signal is ON will be ignored.
11 - 25
MELSEC-Q
ON
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