Mitsubishi Electric MELSEC-L LD75D, User Manual

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11.3.2
Inching operation execution procedure
The inching operation is carried out by the following procedure.
Remark
●
Mechanical elements such as limit switches are considered as already installed.
● Parameter settings work in common for all control using the LD75.
(1)

Page 93, CHAPTER 5, Page 495, Section 11.3.3
(2)

Page 496, Section 11.3.4
(3)

Page 235, CHAPTER 6
(1)
(2)
(3)
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
STEP 6
Preparation
End of control
Inching
operation
start
Monitoring
of the inching
operation
Inching
operation
stop
Create a program in which the "JOG start signal" is
turned ON by an inching operation start command.
Write the program to the CPU module.
Turn ON the JOG start signal of the axis to be started.
Monitor the inching operation status.
Turn OFF the JOG operation start signal that is ON.
Y8
Y9 YA
YB YC
YD YE
YF
Monitor using GX Works2.
End the inching operation after moving a workpiece
by an inching movement amount with the program
created in STEP 2.
Directly set (write) the parameters in the LD75
using GX Works2.
Set (write) the parameters from the CPU module to
the LD75 using the program (TO instruction).
Turn ON the JOG start signal.
Forward run JOG start signal
Axis 1
Axis 3 Axis 2 Axis 4
Reverse run JOG start signal
One of the following two methods can be used.
<Method 1>
<Method 2>
Set the parameters. ( to ) Pr.1 Pr.31
Set the " Cd.16 inching movement amount".
(Control data setting)