11 - 21
Chapter 11 Manual Control
Start time chart
[QD77MS4 operation example]
Forward run JOG start signal [Y8]
PLC READY signal [Y0]
QD77 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
(Note): Refer to Section 3.3 for input/output signal of QD77MS16.
Fig. 11.13 Inching operation start time chart
Creating the program
[QD77MS4 program example]
No.11 Inching operation setting program
<Set inching movement amount>
<JOG/inching operation flag ON>
<JOG/inching operation termination>
<Execute forward JOG/inching operation>
<Execute reverse JOG operation>
<Write inching movement amount>
No.12 JOG operation/inching operation execution program
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