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11 MANUAL CONTROL
11.3.2 Manual pulse generator operation execution procedure
The manual pulse generator operation is carried out by the following procedure.
Preparation
Manual pulse
generator operation
start
Monitoring of the
manual pulse
generator operation
Manual pulse
generator operation
stop
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STEP 1
Set the parameters
Pr.1
Refer to Chapter 5
and section 11.3.3.
STEP 2
Set " Cd. 23 Manual pulse generator 1 pulse input
magnification". (control data setting)
Refer to section
11.3.4.
Create a sequence program in which the enable/disable is
set for the manual pulse generator operation.
(" Cd. 22 Manual pulse generator enable flag" setting.)
STEP 3
Write the sequence program to the PLC CPU.
STEP 4
Issue a command to enable the manual pulse generator
operation, and input the signals from the manual pulse
generator.
STEP 5
Monitor the manual pulse generator operation.
STEP 6
End the input from the manual pulse generator,
and issue a command to disable the manual pulse
End of control
REMARK
•
Mechanical elements such as limit switches are considered as already installed.
•
Parameter settings work in common for all control using the AD75.
* One of the following two methods can be used.
<Method 1>
)
to
Pr.44
Directly set (write) the parameters in the AD75 using the
AD75 software package.
<Method 2>
Set (write) the parameters from the PLC CPU to the AD75
using the sequence program (TO command).
* Using the GPP function software package, set the control
data and create a sequence program to enable/disable
the manual pulse generator operation. (Set the control data
in the AD75 buffer memory using the TO command.)
* Write the sequence program created in STEP 1 and
STEP 2 to the PLC CPU using the GPP function
software package.
* Write "1" in " Cd.22 Manual pulse generator enable
flag", and operate the manual pulse generator.
* One of the following two methods can be used.
<Method 1>
Monitor using the AD75 software package.
<Method 2>
Monitor using the GPP function software package.
* Stop operating the manual pulse generator, and write "0"
in " Cd. 22 Manual pulse generator enable flag".
11 - 21
MELSEC-A
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