Mitsubishi Electric Q62DAN - 7.2 Online Module Change Operations

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MELSEC-Q
7 ONLINE MODULE CHANGE
7.2 Online Module Change Operations
The following gives the operations performed for an online module change.
CPU operation : Executed : Not executed
(User operation)
(Intelligent function module
operation)
X/Y
refresh
FROM/TO
instruction
1
Dedicated
instruction
Device
test
GX Configurator
Initial
setting
parameter
Monitor/
test
RUN LED turns on.
Module is operating as usual.
Module stops operating.
RUN LED turns off.
(2) Dismounting of module
Operation check before control start
(5) Resumption of control
Operation check completed
Mount a new module.
(3) Mounting of new module
(4) Operation check
Operate GX Developer to
resume the online module
change mode, and click the
[Execution] button to resume
control.
Conduct an operation test
on the new module using
"Device test" of GX Developer
or "Monitor/test" of
GX Configurator.
Click the [Cancel] button of
GX Developer to leave
the online mode.
After mounting the module,
click the [Execution] button
of GX Developer.
Dismount the corresponding
module.
Click the [Execution] button
of GX Developer to make
the module dismountable.
Operate GX Developer to
start an online module change.
Turn off all Y signals that
were turned on by
a sequence program.*
2
X/Y refresh resumes and
the module starts.
Default operation
(X0 remains off.)
When there are initial setting
parameters, operation is
performed according to the initial
setting parameters at this point.
Module operates according
to test operation.*
4
(1) Conversion disable
Perform user range restoration
processing by write to buffer
memory at this point.
X0 (Module READY) turns on.
Start is made when X0 turns
from off to on.
Operation is performed
according to the initial setting
sequence.
*
4
*
3
Conversion disabled.
Analog output is 0V/0mA.
1: Access to the intelligent function module device (U \G ) is included.
2: Operating the intelligent function module switches ( 3) starts the module and resumes X/Y refresh. When there are initial setting
parameters, operation is performed according to the initial setting parameters.
Hence, if the Y signals are not turned off, analog outputs will be provided at this point. Therefore, always turn off the Y signals that were
turned on by the sequence program.
4: In the absence of the operation marked 4, the operation of the intelligent function module is the operation performed prior to that.