Mitsubishi QD75M1, User Manual

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MELSEC-Q
11 MANUAL CONTROL
11.4.2 Manual pulse generator operation execution procedure
The manual pulse generator operation is carried out by the following procedure.
Write the sequence program created in STEP 1 and
STEP 2 to the PLC CPU using GX Developer.
Using GX Developer, set the control data and create a
sequence program to enable/disable the manual pulse
generator operation. (Set the control data in the QD75
buffer memory using the TO command.)
One of the following two methods can be used.
<Method 1>
Directly set (write) the parameters in the QD75 using
GX Configurator-QP.
<Method 2>
Set (write) the parameters from the PLC CPU to the QD75
using the sequence program (TO command).
STEP 1
Manual pulse
generator operation
start
End of control
STEP 2
STEP 3
STEP 4
STEP 5
Issue a command to enable the manual pulse generator
operation, and input the signals from the manual pulse
generator.
End the input from the manual pulse generator,
and issue a command to disable the manual pulse
Manual pulse
generator operation
stop
STEP 6
Monitor the manual pulse generator operation.
Preparation
Refer to Chapter 5
and section 11.4.3.
Refer to section
11.4.4.
Set the positioning parameters
Write the sequence program to the PLC CPU.
One of the following two methods can be used.
<Method 1>
Monitor using GX Configurator-QP.
<Method 2>
Monitor using GX Developer.
Monitoring of the
manual pulse
generator operation
Set Cd. 20 Manual pulse generator 1 pulse input
magnification. (control data setting)
to
)
Pr.1 )
Pr.24
Create a sequence program in which the enable/disable is
( Cd. 21 Manual pulse generator enable flag setting.)
set for the manual pulse generator operation.
Stop operating the manual pulse generator, and write "0"
in Cd. 21 Manual pulse generator enable flag.
Write "1" in Cd.21 Manual pulse generator enable
flag, and operate the manual pulse generator.
REMARK
•
Mechanical elements such as limit switches are considered as already installed.
•
Positioning parameter settings work in common for all control using the QD75.