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MELSEC-Q

11 MANUAL CONTROL

11.3.2 Inching operation execution procedure

The inching operation is carried out by the following procedure.

STEP 1

Preparation

Refer to
CHAPTER 5 and
Section 11.3.3.

End of control

Set the parameters.

STEP 2

Refer to Section
11.3.4.

STEP 3

Write the sequence program created in STEP 1 and

Turn ON the JOG start signal.

STEP 4

One of the following two methods can be used.

Monitor using GX Configurator-QP.

Directly set (write) the parameters in the QD75 using GX

Configurator-QP.

Set (write) the parameters from the CPU module to the QD75 using
the sequence program (TO instruction).

STEP 5

instruction.)

operation.

Write the sequence program to the CPU module.

Turn ON the JOG start signal of the axis to be started.

Monitoring of the
inching operation

STEP 6

Turn OFF the JOG operation start signal that is ON.

Monitor the inching operation status.

Forward run JOG start signal

Axis 1

Refer to
CHAPTER 6.

Axis 3

Axis 2

Inching operation
start

Inching operation
stop

)

Pr.1

)

Pr.31

Set the " Cd.16 inching movement amount".
(Control data setting)

Axis 4

End the inching operation after moving a workpiece
by an inching movement amount with the sequence
program created in STEP 2.

Create a sequence program in which the "JOG start
signal" is turned ON by an inching operation start
command.

One of the following two methods can be used.

Using GX Developer, set the control data and create a

sequence program for executing the inching

(Set the control data in the QD75 buffer memory using the TO

STEP 2 to the CPU module using GX Developer.

Reverse run JOG start signal

Monitor using GX Developer.

REMARK



Mechanical elements such as limit switches are considered as already installed.



Parameter settings work in common for all control using the QD75.