10 - 5 10 - 5
MELSEC-Q
10 JOG OPERATION
(2) When JOG direction flag is changed to reverse run JOG command
during forward run JOG operation
When " JOG. 4 JOG direction flag" is changed to the reverse run JOG command
during forward run JOG operation, forward run JOG operation is continued. In
this case, the reverse run JOG command is made valid when the JOG start
signal turns ON after the BUSY signal of the QD70 turned OFF. However, when
forward run JOG operation is stopped by the axis stop signal or stopped due to
an axis error, reverse run JOG operation is not performed if " JOG. 4 JOG
direction flag" is changed to the reverse run JOG command.
OFF
ON
OFF
ON
t
JOG. 4 JOG direction flag
Forward run JOG operation
Reserve
4ms or
more.
Reverse run JOG
operation
JOG start signal
[Y18 to Y1F]
0 : Forward run JOG
Reverse run
JOG command
is ignored.
BUSY signal
[X8 to XF]
1 : Reverse run JOG
Fig. 10.3 Operation performed when JOG direction flag is changed to reverse run JOG command
during forward run JOG operation
REMARK
•
When switching between forward run and reverse run, turn the JOG start signal
from OFF to ON when the BUSY signal is OFF.
•
When switching between forward run and reverse run, reserve at least 4ms as the
time to turn the JOG start signal from OFF to ON. (Refer to Fig. 10.3.)
Содержание GX Configurator-PT
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