MITSUBISHI ELECTRIC Mitsubishi Programmable Logic Controller QD75D - Manual (Page 466)

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MELSEC-Q
11 MANUAL CONTROL
When "JOG start signal" is turned ON when peripheral devices are in the
test mode:
If "JOG star signal" is turned ON when peripheral devices are in the test mode, the
"JOG start signal" will be ignored and inching operation will not be carried out.
In test mode
ON
t
Forward run JOG start signal
[Y8,YA,YC,YE]
OFF
ON
OFF
Forward run inching
operation executed
Inching operation not possible
because the operation is in the
test mode.
Inching operation not
possible because JOG
start signal does not rise
Fig. 11.16 Operation when JOG start signal is turned ON in test mode
When "JOG start signal" is turned ON immediately after stop signal OFF
(within 100 ms):
If "JOG start signal" is turned ON immediately after the stop signal is turned OFF
(within 100 ms), the "JOG start signal" will be ignored and inching operation will
not be carried out.
Forward run JOG start signal
[Y8,YA,YC,YE]
ON
Axis stop signal
[Y4,Y5,Y6,Y7]
OFF
ON
OFF
Forward run inching operation
100ms
A rise of JOG start signal
is ignored.
Fig. 11.17 Operation when JOG start signal is turned ON immediately after stop signal is turned OFF