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MELSEC-
A
11 MANUAL CONTROL
11.3.2 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.
* Set the control data and create a sequence
program to enable/disable the manual pulse
generator operation. (Set the control data
in the D75P2 buffer memory using the TO
command(dedicated command).)
* Directly set (write) the parameters in the D75P2
using the AD75 software package.
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 11.3.3.
Refer to section
11.3.4.
Set the parameters
Write the sequence program to the PLC CPU.
* Monitor using the AD75 software package.
Monitoring of the
manual pulse
generator operation
Set " Cd. 23 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
(
"
Manual pulse generator enable flag (RY(n+2)9, RY(n+4)9)
"
setting.)
set for the manual pulse generator operation.
* Stop operating the manual pulse generator, and
write "0" in "Manual pulse generator enable flag
(RY(n+2)9, RY(n+4)9)"
* Write "1" in "Manual pulse generator enable
flag (RY(n+2)9, RY(n+4)9)", and operate
the manual pulse generator.
REMARK
Mechanical elements such as limit switches are considered as already installed.
Parameter settings work in common for all control using the D75P2.